Instruction Bulletin. MASTERPACT MP, MF and MC Circuit Breakers

Transcription

1 nsrucion Bullein /2002 Cedar Rapids, A, USA MASTERPACT MP, MF and MC Circui Breakers Reain for fuure use.

2 MASTERPACT MP, MF and MC Circui Breakers nsrucion Bullein 01/2002 NOTCE! Read hese insrucions carefully and look a he equipmen o become familiar wih he device before rying o insall, operae, service or mainain i. The following special messages may appear hroughou his bullein or on he equipmen o warn of poenial hazards or o call aenion o informaion ha clarifies or simplifies a procedure. This is he safey aler symbol. is used o aler you o poenial personal injury hazards. Obey all safey messages ha follow his symbol o avoid possible injury or deah. DANGER DANGER indicaes an imminenly hazardous siuaion which, if no avoided, will resul in deah or serious injury. WARNNG WARNNG indicaes a poenially hazardous siuaion which, if no avoided, can resul in deah or serious injury. CAUTON CAUTON indicaes a poenially hazardous siuaion which, if no avoided, can resul in minor or moderae injury. CAUTON CAUTON, used wihou he safey aler symbol, indicaes a poenially hazardous siuaion which, if no avoided, can resul in propery damage. Provides addiional informaion o clarify or simplify a procedure. PLEASE NOTE Elecrical equipmen should be serviced only by qualified personnel. No responsibiliy is assumed by Schneider Elecric for any consequences arising ou of he use of his maerial. This documen is no inended as an insrucion manual for unrained persons. FCC NOTCE This equipmen has been ed and found o comply wih he limis for a Class A digial device, pursuan o par 15 of he FCC Rules. These limis are designed o provide reasonable proecion agains harmful inerference when he equipmen is operaed in a commercial environmen. This equipmen generaes, uses, and can radiae radio frequency energy and, if no insalled and used in accordance wih he insrucion manual, may cause harmful inerference o radio communicaions. Operaion of his equipmen in a residenial area is likely o cause harmful inerference in which case he user will be required o correc he inerference a his own expense Schneider Elecric All Righs Reserved.

3 MASTERPACT MP, MF and MC Circui Breakers 01/2002 Table of Conens TABLE OF CONTENTS SECTON 1: NSTALLATON Recommendaions for Soring... 5 Temperaure Limis... 5 Circui Breaker Saus... 5 Covering... 5 Maximum Sacking... 5 denifying he Circui Breaker... 6 Unpacking... 7 MP40 o MP63 Drawou-mouned Circui Breakers... 8 Handling... 9 MP08 o MP30 and MC08 o MC20 Circui Breakers... 9 MC32 Circui Breakers MP40 o MP63 and MC40 o MC50 Circui Breakers MF12, MF20 and MF30 Circui Breakers Aaching Rear Terminals Mouning Cable Connecion Bus Bar Connecion Conrol Wiring Fixed-mouned Circui Breakers Drawou-mouned Circui Breakers SECTON 2: OPERATON Disconnecing and Connecing nsrucions Disconnecing nsrucions nsalling he Circui Breaker in he Saionary Assembly Connecing nsrucions Operaing Charging nsrucions Closing nsrucions Opening nsrucions Reseing nsrucions Locking Locking by Key nerlock Locking by Padlock Locking by Door nerlock Spring nerlock SECTON 3: CONTROL UNT TYPES STR 18 M Conrol Uni STR 28 D Conrol Uni STR 38 S Conrol Uni STR 58 U Conrol Uni Conrol Uni Opions Pre-rip and Overload ndicaion Opion Thermal Memory Limiaion Ammeer Opion Faul ndicaion Opion Baery Opion Load Monioring Opion Segregaed Alarm Swich Opion Ground-faul Proecion Opion Zone-selecive nerlocking Opion Transmi Daa from Trip Uni Opion Schneider Elecric All Righs Reserved 3

4 Documen Subile (n header) Table of Conens 01/2002 SECTON 4: MANTENANCE Rouing nspecions Elecrical Mainenance Check Arc Chues Check Conacs Wiring Diagram SECTON 5: SET-UP GUDE Minimum Enclosure Clearance nformaion Sacking Configuraions...50 Cumulaive Loading Temperaure Deraing Power Dissipaion Resisance Aliude Correcion Facors Schneider Elecric All Righs Reserved

5 MASTERPACT MP, MF and MC Circui Breakers 01/2002 Secion 1 nsallaion SECTON 1 NSTALLATON DANGER HAZARD OF ELECTRC SHOCK, BURN, OR EXPLOSON Hex-head wrenches Sraigh-blade screwdrivers (large and small) Wire sripper This equipmen mus be insalled and serviced only by qualified elecrical personnel. Turn off all power supplying his equipmen before working on or inside equipmen. Always use a properly raed volage sensing device o confirm power is off. Replace all devices, doors and covers before urning on power o his equipmen. Failure o follow his insrucion will resul in deah or serious injury. RECOMMENDATONS FOR STORNG Temperaure Limis Circui Breaker Saus Do no sore circui breakers in a corrosive or sal-air environmen. Sore from -60 F (-50 C) min. o +160 F (+70 C) max. Sore wih: Main conacs open Spring discharged Conneced posiion Covering Sore he circui breaker only in he original shipping caron or oher proecive weaherproof covering Maximum Sacking MP08 o MP30 3 MP40 o MP Schneider Elecric All Righs Reserved 5

6 MASTERPACT MP, MF and MC Circui Breakers Secion 1 nsallaion 01/2002 DENTFYNG THE CRCUT BREAKER Figure 1: Locaion of Markings on Circui Breaker Elecrical accessories idenificaion label (fixed mouning) Name label giving raing, inerruping raings and raed volage Serial: Conrol diagram no.: Sensor...n: nsananeous override: Manufacuring no. Wiring diagram no. Sensor raing nsananeous pickup Figure 2: Locaion of Markings on Saionary Assembly Circui breaker saionary assembly A max. Acceps frame size: MP/MC Wiring diagram no. Frame size Type Sandard or specific diagram no. Serial Manufacuring no Schneider Elecric All Righs Reserved

7 MASTERPACT MP, MF and MC Circui Breakers 01/2002 Secion 1 nsallaion UNPACKNG MP08 o MP30 and MC08 o MC32 Fixed-mouned Circui Breakers The circui breaker saionary assembly is secured o is shipping palle wih four bols, nus and washers. However, on he drawou mouning, wihdrawal of he circui breaker is required o access he hardware. Disconnec and remove he circui breaker from he saionary assembly (refer o Disconnecion nsrucions, page 20) Drawou-mouned Circui Breaker wih Saionary Assembly Figure 3: Unpacking Drawou-mouned Circui Breaker Conneced Disconneced Remove four bols, nus and washers. Drawou-mouned Circui Breaker wihou Saionary Assembly Circui breaker is delivered upside down. Place anoher palle nex o shipping palle. Roae circui breaker ono erminals, hen ono is boom on oher palle. Figure 4: Unpacking Drawou-mouned Circui Breaker Delivered wihou Saionary Assembly Remove four bols, nus and washers Remove four bols, nus and washers Schneider Elecric All Righs Reserved 7

8 MASTERPACT MP, MF and MC Circui Breakers Secion 1 nsallaion 01/2002 Saionary Assembly Only f presen, remove srapping ape holding he clusers. Figure 5: Unpacking Saionary Assembly Remove four bols, nus and washers. MP40 o MP63 Drawou-mouned Circui Breakers 1. Remove four bols, nus and washers. 2. Posiion anoher palle and roae circui breaker. 3. Remove plasic shipping caps. Figure 6: Unpacking Saionary Assembly Schneider Elecric All Righs Reserved

9 MASTERPACT MP, MF and MC Circui Breakers 01/2002 Secion 1 nsallaion HANDLNG MP08 o MP30 and MC08 o MC20 Circui Breakers DANGER HAZARD OF CRCUT BREAKER FALLNG Be sure equipmen has adequae lifing capaciy for he uni being lifed. Follow manufacurer s insrucions for use of lifing equipmen. Wear hard ha, safey shoes and heavy gloves. Boh he circui breaker frame and saionary assembly have noched lifing flanges for lifing. To reduce he oal weigh and ease insallaion of he saionary assembly, remove he circui breaker from he saionary assembly (refer o Disconnecing nsrucions, page 20). To lif he circui breaker using a lifing device, use an overhead lifing device aached o he lifing flanges. Failure o follow his insrucion will resul in deah or serious injury. Table 1: 3-pole Circui Breaker Weighs Figure 7: Using he Lifing Flanges Circui Breaker Type Saionary Assembly lbs. (kg) Circui Breaker lbs. (kg) Terminals lbs. (kg) MP08 51 (23) 102 (46) 13 (6)* MP12 51 (23) 102 (46) 13 (6)* MP16 51 (23) 102 (46) 13 (6) MP20 60 (27) 121 (55) 36 (16) MP (50) 176 (80) 89 (40) MP (50) 176 (80) 89 (40) MC08 51 (23) 102 (46) 13 (6*) Circui Breaker Saionary assembly MC16 51 (23) 102 (46) 13 (6) MC20 60 (27) 121 (55) 36 (16) Figure 8: Using a Lifing Sling *Opional erminals. Cable slings 0.40 in. (10 mm) dia. max Circui Breaker Saionary assembly CAUTON HAZARD OF EQUPMENT DAMAGE Do no le he forks of a fork lif proude pas he rear of he circui breaker. Failure o follow his insrucion can resul in equipmen damage. Figure 9: Using an Elecrical or Mechanical Plaform Lif Circui Breaker Schneider Elecric All Righs Reserved 9

10 MASTERPACT MP, MF and MC Circui Breakers Secion 1 nsallaion 01/2002 MC32 Circui Breakers DANGER HAZARD OF CRCUT BREAKER FALLNG Be sure equipmen has adequae lifing capaciy for he uni being lifed. Follow manufacurer s insrucions for use of lifing equipmen. Wear hard ha, safey shoes and heavy gloves. The circui breaker and is saionary assembly have lifing flanges for lifing. Before handling he circui breaker, remove i from he saionary assembly. To lif he circui breaker as shown, use an overhead lifing device aached o he noched lifing flanges. Figure 10: Using a Lifing Sling for Circui Breaker Failure o follow his insrucion will resul in deah or serious injury Compensaion bar no supplied; hooks supplied upon reques. Table 2: 3-pole Circui Breaker Weighs Figure 11: Using a Lifing Sling for Saionary Assembly Type Saionary Assembly Circui Breaker Terminals lbs. (kg) lbs. (kg) lbs. (kg) Cable slings: 0.40 in. [10 mm] dia. max. MC (60) 198 (90) 88 (40) Rod dia.: 0.48 in. [12 mm] CAUTON Figure 12: Using an Elecrical or Mechanical Plaform Lif HAZARD OF EQUPMENT DAMAGE Clearance inside he swichboard is minimal. To avoid damage o he load erminals, be sure hey clear he lower edge of he swichboard enclosure before aemping insallaion. Failure o follow his insrucion can resul in equipmen damage in. (100 mm) max. H = 22 in. (559 mm) Assembly Schneider Elecric All Righs Reserved

11 MASTERPACT MP, MF and MC Circui Breakers 01/2002 Secion 1 nsallaion MP40 o MP63 and MC40 o MC50 Circui Breakers DANGER HAZARD OF CRCUT BREAKER FALLNG Be sure equipmen has adequae lifing capaciy for he uni being lifed. Follow manufacurer s insrucions for use of lifing equipmen. Wear hard ha, safey shoes and heavy gloves. Failure o follow his insrucion will resul in deah or serious injury. To lif he circui breaker as shown below, use an overhead lifing device aached o he noched lifing flanges. Compensaion bars no supplied, hooks can be supplied upon reques. Figure 13: Using a Lifing Sling for Circui Breaker Cable slings: 0.40 in. [10 mm] dia. max. 30 in. [800 mm] min. Table 3: 3-pole Circui Breaker Weighs Figure 14: Using a Lifing Sling for Saionary Assembly Type Saionary Assembly Circui Breaker Terminals lbs (kg) lbs (kg) lbs (kg) Cable slings: 0.40 in. [10 mm] dia. max. 30 in. [800 mm] min. MP (90) 264 (120) 88 (40) MP (90) 264 (120) 177 (80) MP (110) 308 (140) 177 (80) MC (90) 264 (120) 88 (40) MC (90) 264 (120) 177 (80) CAUTON HAZARD OF EQUPMENT DAMAGE Do no le he forks of a fork lif proude pas he rear of he circui breaker. Place a chock as shown. Remove i as soon as he forks lean on he swichboard floor. Failure o follow his insrucion can resul in equipmen damage. Figure 15: Using an Elecrical or Mechanical Plaform Lif Frame Saionary assembly Schneider Elecric All Righs Reserved 11

12 MASTERPACT MP, MF and MC Circui Breakers Secion 1 nsallaion 01/2002 MF12, MF20 and MF30 Circui Breakers DANGER HAZARD OF CRCUT BREAKER FALLNG Be sure equipmen has adequae lifing capaciy for he uni being lifed. Follow manufacurer s insrucions for use of lifing equipmen. Wear hard ha, safey shoes and heavy gloves. To lif he circui breaker as shown, use an overhead lifing device aached o he noched lifing flanges. Compensaion bar no supplied, hooks supplied upon reques. Figure 16: Using a Lifing Sling (MF12 and MF20 Circui Breakers) Cable slings: 0.40 in. [10 mm] dia. max. Failure o follow his insrucion will resul in deah or serious injury CAUTON HAZARD OF EQUPMENT DAMAGE Clearance inside he swichboard is minimal. To avoid damage o he load erminals, be sure hey clear he lower edge of he swichboard enclosure before aemping insallaion. Failure o follow his insrucion can resul in equipmen damage. Figure 17: Using a Lifing Sling (MF30 Circui Breaker) Cable slings: 0.40 in. [10 mm] dia. max. Table 4: Type lbs. (kg) 3-pole Circui Breaker Weighs Circui Breaker lbs. (kg) Terminals lbs. (kg) MF (55) 58 (26) MF (80) 76 (34) MF (120) 187 (85) Figure 18: Using an Elecrical or Mechanical Plaform Lif (Fixed-mouned MF12, MF20 and MF30 Circui Breaker) Use a sling o suppor he circui breaker. H = 21 in. [533 mm] MF12 Circui Breaker H = 25 in. [635 mm] MF20 and MF30 Circui Breakers Schneider Elecric All Righs Reserved

13 MASTERPACT MP, MF and MC Circui Breakers 01/2002 Secion 1 nsallaion ATTACHNG REAR TERMNALS Table 5: Circui Breaker Types and Aachmen Drawou Circui Breakers Fixed Circui Breakers Aaching Rear Terminals* MP08, MP12, MP16 and MC08 o MC MP08, MP12, MP MP20 and MC20 MP Screws: M10, 2-2/5 in. [60 mm] long. Tighening orque = 375 lb-in (42 N m). Use 11/16 in. hex-head wrench MP25 o MP32 MP25 o MP Screws: M10, 2-2/5 in. [60 mm] long. Use 11/16 in. hex-head wrench. Tighening orque = 375 lb-in. (42 N m). Fixed-mouned MP40 and MC40 Drawou-mouned or or MP50, MP63 and MC50 MP50, MP63 and MC *Rear erminal mus be insalled on fixed-mouned and drawou-mouned circui breakers raed 1600 A and above. The erminals provided wih he circui breaker mus be mouned as indicaed Schneider Elecric All Righs Reserved 13

14 MASTERPACT MP, MF and MC Circui Breakers Secion 1 nsallaion 01/2002 MOUNTNG Disribue weigh of he equipmen uniformly over a rigid mouning surface CAUTON (such as crossbeams or a meal floor). HAZARD OF EQUPMENT DAMAGE Disribue weigh over a rigid mouning surface. The mouning plae should be perfecly fla. This eliminaes any risk of deformaion which could inerfere wih correc operaion of he circui breaker. Failure o follow his insrucion can resul in equipmen damage. Figure 19: Weigh Disribuion on Mouning Plae Cable Connecion DANGER HAZARD OF ELECTRC SHOCK, BURN OR EXPLOSON This equipmen mus be insalled and serviced only by qualified elecrical personnel. Turn off all power supplying his equipmen before working on or inside equipmen. Always use a properly raed volage sensing device o confirm power is off. Replace all devices, doors and covers before urning on power o his equipmen. is essenial ha mechanical sresses are no applied o he circui breaker erminal pads if a cable connecion is used. Verical erminal pads are recommended, and should be insalled as indicaed below. Wih bus bar exensions: if he circui has only a single cable, use mehod (A). if he circui has several cables, use mehod similar o (B). n all cases, he same general rules apply for cables ha apply for bus bars: posiion cable ends correcly before he bols are insered, and aach cables securely o framework (C). Failure o follow his insrucion will resul in deah or serious injury. \ CAUTON HAZARD OF EQUPMENT DAMAGE Figure 20: Cable Connecions A B Carefully follow all insrucions for making elecrical connecions and supporing and clamping bus bars. Failure o follow his insrucion can resul in equipmen damage. C Schneider Elecric All Righs Reserved

15 MASTERPACT MP, MF and MC Circui Breakers 01/2002 Secion 1 nsallaion Bus Bar Connecion DANGER HAZARD OF ELECTRC SHOCK, BURN, OR EXPLOSON This equipmen mus be insalled and serviced only by qualified elecrical personnel. Turn off all power supplying his equipmen before working on or inside equipmen. Always use a properly raed volage sensing device o confirm power is off. Replace all devices, doors and covers before urning on power o his equipmen. Failure o follow his insrucion will resul in deah or serious injury. Bus bar dimensions shown in Table 6, Bus Bars have been exrapolaed from daa based on UL 891. They should be used only as a guide and no replace indusrial experience or a emperaure rise. Table 6: Circui Breaker Bus Bars Copper Bus Bars Quaniy Dimension in. (mm) MP08, MC x 3.00 (6 x 76) MP x 3.00 (6 x 76) MP16, MC x 3.00 (6 x 76) MP20, MC x 4.00 (6 x 102) MP25 2 or x 5.00 (6 x 127) 0.25 x 2.50 (6 x 64) MP30 4 or x 4.00 (6 x 102) 0.25 x 6.00 (6 x 152) MC x 6.00 (6 x 152) MP40, MC40 4 or x 5.00 (6 x 127) 0.25 x 4.00 (6 x 102) MP50, MC50 6 or x 5.00 (6 x 127) 0.25 x 6.00 (6 x 152) MP x 6.00 (6 x 152) Correc clamping of bus bars depends on, among oher hings, he orque used o ighen he nus and bols. Excessive orque may cause he same problems as insufficien orque. Table 7: Tighening Torque Tighening Torque Bol Size Hole Diameer Grooved or Fla Washer Belleville Washer 0.38 in. (10mm) 0.44 in. (11mm) 28 lb-f (38 N m) 31 lb-f (43 N m) The bus bars should be adjused o ensure ha he mouning holes (A, see Figure 21, page 15) are aligned wih he erminal pads before he bols are insered. The bus bar is held by suppor (B) which is aached o he framework of he swichboard, so ha he erminal pads do no have o suppor he weigh of he bus bar. Dimension (C) mus be mainained (Table 7, nex page) o wihsand he elecrodynamic sresses beween phases in he even of a shor circui. CAUTON HAZARD OF EQUPMENT DAMAGE Carefully follow all insrucions for making elecrical connecions and supporing end clamping bus bars. Failure o follow his insrucion can resul in equipmen damage. Figure 21: Bus Bar Connecion C* A B *Dimension C is he maximum disance beween circui breaker horizonal erminals (connecion poin of he exensions) and he firs suppor or spacer, based on he expeced shor-circui curren (see Table 8, page 16) Schneider Elecric All Righs Reserved 15

16 MASTERPACT MP, MF and MC Circui Breakers Secion 1 nsallaion 01/2002 Table 8: Bus Bar Connecion Expeced Shor-circui Curren (ka rms) MP08 o MP16 and MC08 o MC16 Circui Breakers Dimension C in. (mm) (350) (300) 9.88 (250) 7.89 (200) 6.00 (150) 6.00 (150) MP20 o MP63 and MC20 o MC50 Circui Breakers Dimension C in. (mm) (350) (300) 9.88 (250) 7.88 (200) 7.88 (200) 7.88 (200) CONTROL WRNG DANGER HAZARD OF ELECTRC SHOCK, BURN OR EXPLOSON Connec each erminal using one sranded #18 o #14 AWG (0.6 o 2.5 mm 2 ) copper wire. Cable srip lengh: 3/8 in. (9mm). This equipmen mus be insalled and serviced only by qualified elecrical personnel. Turn off all power supplying his equipmen before working on or inside equipmen. Always use a properly raed volage sensing device o confirm power is off. Replace all devices, doors and covers before urning on power o his equipmen. Failure o follow his insrucion will resul in deah or serious injury. Fixed-mouned Circui Breakers 1. nsall conducor Remove ransparen shield Schneider Elecric All Righs Reserved

17 MASTERPACT MP, MF and MC Circui Breakers 01/2002 Secion 1 nsallaion 3. Connec conrol wires according o wiring diagrams shown on he label. Use a small screwdriver o open he spring clips and insall wires. Wiring diagrams are also locaed a he end of his bullein CAUTON 4. Roue conrol wires away from he arc chues. Replace he ransparen cover. HAZARD OF EQUPMENT DAMAGE Do no roue conrol wires close o he arc chues vening holes. f his is done, wire insulaion may mel and/or sofening occur during circui breaker inerrupion. Failure o follow his insrucion can resul in equipmen damage. Drawou-mouned Circui Breakers 1. Remove he fron erminal cover Deermine he erminal number (1) according o he wiring label (2). Wiring diagrams are also locaed a he end of his bullein Schneider Elecric All Righs Reserved 17

18 MASTERPACT MP, MF and MC Circui Breakers Secion 1 nsallaion 01/ Connec he conrol wires using a small screwdriver and replace he fron erminal cover Z C MNR Z11 Z12 Z21 Z22 e+ e- D4 D WT FV R or 2nd MX F1 F2 T1 T2 V V R1 R2 C or C12 C11 F F O O SDE LT alarm or MX XF MN PAF MCH OF1 OF2 OF3 OF LR1 LR2 84 C2 C1 A4 A1 D4 D B4 B Conrol Uni (Lef-hand Side) Accessories (Righ-hand Side) CAUTON HAZARD OF EQUPMENT DAMAGE Do no le wires inerfere wih acion of he disconnecing block. Failure o follow his insrucion can resul in equipmen damage. 4. Roue conrol wires away from arc chues Schneider Elecric All Righs Reserved

19 MASTERPACT MP, MF and MC Circui Breakers 01/2002 Secion 2 Operaion SECTON 2 OPERATON DSCONNECTNG AND CONNECTNG NSTRUCTONS. The CONNECTED posiion circui breaker has four drawou posiions and can be operaed in all four posiions. The circui breaker is capive in all posiions excep WTHDRAWN. A closed circui breaker is auomaically opened prior o being conneced or disconneced during a racking in or racking ou operaion. TEST posiion Connecion or disconnecion of he circui breaker requires inserion of he racking crank. nserion of he racking crank can be prevened by he following saionary assembly accessories: Padlock Key lock Racking inerlock Disconnecing and connecing insrucions are summarized on he label provided wih he insallaion insrucions. The label mus be affixed o he door of he swichboard. DSCONNECTED posiion n he CONNECTED posiion, he primary and secondary disconnecing erminals are engaged, and he circui breaker is ready for service. n he TEST posiion, he primary erminals are disengaged, however, conrol conacs are conneced o permi operaion of he circui breaker. The TEST posiion is used for ing circui breaker operaion and conrol sysem funcions. n his posiion, he circui breaker is no suiable for inernal inspecion or any mainenance funcion. n he DSCONNECTED posiion, he primary and secondary disconnec erminals are disengaged and separaed by a safe disance from he corresponding saionary erminals. n he WTHDRAWN posiion, boh primary and secondary conacs are disconneced. The circui breaker may be removed for complee accessibiliy. WTHDRAWN posiion When a racking crank remains insered or a circui breaker is no compleely disconneced, he exracion of he righ rail is prevened Schneider Elecric All Righs Reserved 19

20 MASTERPACT MP, MF and MC Circui Breakers Secion 2 Operaion 01/2002 Disconnecing nsrucions DANGER HAZARD OF ELECTRC SHOCK, BURN, OR EXPLOSON This equipmen mus be insalled and serviced only by qualified elecrical personnel. Turn off all power supplying his equipmen before working on or inside equipmen. Always use a properly raed volage sensing device o confirm power is off. Replace all devices, doors and covers before urning on power o his equipmen. f he circui breaker is no opened before disconnecing, i will open auomaically during disconnecion. 1. Remove he racking crank from is sorage hole, inser i ino he racking slo, and engage he mechanism Failure o follow his insrucion will resul in deah or serious injury. n he case of a racking inerlock, press he comparmen door closed sensor locaed a he fron of he drawou mechanism o simulae a closed door. 2. To reach he DSCONNECTED posiion, urn he racking crank counerclockwise unil firs he TEST, and hen DSCONNECTED indicaion are shown on he posiion indicaor. 3. Remove he racking crank and inser i ino he sorage hole. f he racking crank is no removed, he righ rail will no fully exend. conneced disconneced 4. Using he wo exension rail handles, pull he circui breaker ou. 5. Remove he circui breaker using one of he lifing mehods explained in Handling, page es Schneider Elecric All Righs Reserved

21 MASTERPACT MP, MF and MC Circui Breakers 01/2002 Secion 2 Operaion nsalling he Circui Breaker in he Saionary Assembly 1. Pull ou he wo exension rails by heir handles. When eiher he racking crank remains insered in he racking slo or he circui breaker is no fully disconneced, exracion of he righ exension rail is no possible CAUTON HAZARD OF EQUPMENT DAMAGE Do no le he forks of a fork lif prorude pas he rear of he circui breaker. Do no press on he conrol uni while pushing he circui breaker ino he saionary assembly. Failure o follow his insrucion can resul in equipmen damage. 2. nsall he circui breaker ono boh exension rails, being sure ha he wo circui breaker suppors locaed on eiher side are fully engaged in he rail slos. Refer o Handling, page 9, for mehods of lifing he circui breaker To move he circui breaker from he WTHDRAWN posiion o he DSCONNECTED posiion, push he exension rail handles ino he saionary assembly unil hey sop Schneider Elecric All Righs Reserved 21

22 MASTERPACT MP, MF and MC Circui Breakers Secion 2 Operaion 01/2002 Connecing nsrucions DANGER HAZARD OF ELECTRC SHOCK, BURN, OR EXPLOSON This equipmen mus be insalled and serviced only by qualified elecrical personnel. Turn off all power supplying his equipmen before working on or inside equipmen. Always use a properly raed volage sensing device o confirm power is off. Replace all devices, doors and covers before urning on power o his equipmen. 1. nser and engage racking crank ino he racking slo. NOTE: This procedure is possible only if: circui breaker is in DSCONNECTED posiion, drawou mechanism padlocks have been removed, key inerlock has been unlocked and comparmen door is closed. n case of racking inerlock, press he comparmen door closed sensor locaed a he drawou mechanism o simulae a closed door. Failure o follow his insrucion will resul in deah or serious injury Turn he racking crank clockwise unil he CONNECTED posiion is reached on he posiion indicaor. Coninue cranking unil wo click sounds are heard indicaing he circui breaker is locked in he conneced posiion. As he CONNECTED posiion is neared, more effor will be required o urn he crank Remove he racking crank and inser i back ino he sorage hole Schneider Elecric All Righs Reserved

23 MASTERPACT MP, MF and MC Circui Breakers 01/2002 Secion 2 Operaion OPERATNG Charging nsrucions All basic circui breaker and drawou operaions can be performed from he fron of he circui breaker. Suiable elecrical and mechanical inerlocks are provided o preven incorrec operaion of he circui breaker. To manually charge an elecrically- or manually-operaed circui breaker, push or pull down on he charging handle, six full srokes should be used. When he spring is fully charged, he yellow charged indicaor will appear in he sored-energy window on he circui breaker fron cover, he handle sops, and i will reurn o normal posiion when released Manual Charging Elecrical Charging Closing nsrucions All ha is required o close he circui breaker locally is o push he mechanical push ON buon. Pre-charged circui breakers may be closed remoely via a spring-released solenoid which is sandard for elecrically operaed circui breakers and opional for manually-operaed circui breakers. Before aemping o close he circui breaker locally, he soredenergy indicaor window mus show a yellow charged.'' ON Circui breaker can be closed only if: is opened is charged Pop-ou ype faul indicaor is correcly rese No remoe opening order is inended. The closing coil (XF) wihsands a coninuous volage, providing ani-pumping funcion. f he circui breaker is no ready o close when he closing order is inended, inhibi i and ry again as soon as he circui breaker is ready o close. To inhibi he ani-pumping funcion, wire in series he ready-o-close swich (erminals ) wih he closing coil Schneider Elecric All Righs Reserved 23

24 MASTERPACT MP, MF and MC Circui Breakers Secion 2 Operaion 01/2002 Opening nsrucions Opening he circui breaker locally is accomplished by pushing he mechanical push OFF buon on he circui breaker fron cover. Circui breakers may be opened remoely via eiher a shun rip or an undervolage rip device depending upon he applicaion requiremens OFF Reseing nsrucions CAUTON HAZARD OF EQUPMENT DAMAGE Reseing he circui breaker wih an exising overcurren or ground-faul condiion can resul in desrucive arcing. Be sure any exising fauls are cleared prior o reseing. Failure o follow his insrucion can resul in equipmen damage. The mechanical faul indicaor ( buon) exends o indicae ha an overcurren has occurred and prevens closure of he circui breaker. Rese by pushing buon in LOCKNG Locking by Key nerlock Figure 22: Locking by Key nerlock (VSKA) OFF Locking in open posiion: 1. Push he push OFF buon 2. nser and urn he key counerclockwise 3. Remove he key This locking can be in DSCONNECTED posiion or in all posiions: CONNECTED, TEST and DSCONNECTED (upon reques). Figure 23: Locking by Key nerlock (VSKC) Locking in he DSCONNECTED posiion: 1. Disconnec he circui breaker, 2. inser key and urn counerclockwise and 3. remove he key Schneider Elecric All Righs Reserved

25 MASTERPACT MP, MF and MC Circui Breakers 01/2002 Secion 2 Operaion Locking by Padlock Figure 24: Locking by Padlock (VBP) O sh OFF ush ON O sh OFF ush ON Shackle diameer: 1/4 o 5/16 in. [6 o 8 mm] Preven access o: push OFF (swich open) or push ON (swich close) or boh push OFF and push ON buons of he circui breaker by aaching a padlock. Figure 25: Locking by Padlock Device (Sandard) Shackle diameer: 1/4 o 5/16 in. [6 o 8 mm] This locking prevens inserion of he racking crank and racking he circui breaker ino is saionary assembly. Figure 26: Locking by Padlocking Device Locking by Door nerlock Figure 27: Locking by Door nerlock (VDP) The door inerlock prevens he door from opening when he circui breaker is in he CONNECTED and TEST posiions Schneider Elecric All Righs Reserved 25

26 MASTERPACT MP, MF and MC Circui Breakers Secion 2 Operaion 01/2002 The hook can be mouned on eiher side. To change hook locaion: B A B A 2 Spring nerlock Figure 28: Spring Charged nerlock Before pulling ou he circui breaker, discharge he spring by pressing he push ON buon, hen he push OFF buon. When he closing springs are charged, his inerlock prevens he circui breaker from being disconneced by laching i in he saionary assembly. Use of his locking mehod is no suiable wih an undervolage rip device Schneider Elecric All Righs Reserved

27 F 90 %r 105 h faul h r faul r o=3000a ca. no for maserpac wih sensors n = 6000A r : m : h : m faul m + S Ð Ð T + r STR 58 U a 1,5r on off off on off xr xr i rese V xo xn h h A c1 c2 G L LG LG G L off r T R MP20 H1 3 pole Vols Amps K K K E63335 UND. LAB. O Lis. CRCUT BREAKER Doles. ssue N LM-8792 F F 90 %r %r 105 h faul h 90 %r 105 τr h faul h r m + Ð r : m : + Ð r faul m : r h : norm min. r : m faul m overcurren + Ð Ð + ground r faul m : r h : m faul m overcurren + Ð Ð + ground r : i i i max xn r xo m xr r xo m m xr on 2 off max. xn off h h A on 2 off r rese V +T L+T L T L+ L++T T off r xo a 1.5r m m xr on 2 off V Max. xn h 1200A Max h T A on 2 off c1 c2 R xr xr MASTERPACT MP, MF and MC Circui Breakers 01/2002 Secion 3 Conrol Uni Types SECTON 3 CONTROL UNT TYPES STR 18 M STR 18 M Conrol Uni Overcurren proecion nsananeous Opions None O push OFF push ON MERLN GERN maserpac circui breaker 600V 50/60Hz frame size 2000A suiable for coninious operaion a 100% raing in a minimum cubical space H17.5 by W21 by D14.1/4 inches venilaion is no required xo m m O OPEN discharged inerruping raing max RMS sym amps shor ime raing 75KA EC V 50/60Hz inerruping raing cu 380/440V 75KA 660V 75KA cu 380/440V 75KA 660V 75KA shor ime raing cw=75ka 0.5 sec. conneced disconneced STR 28 D Conrol Uni Overcurren proecion Long-ime nsananeous Opions STR 28 D Ammeer o = Raing plug l n = Sensor raing l r = Long-ime pickup r = Long-ime delay l m = Shor-ime pickup m = Shor-ime delay l = nsananeous pickup l h = Ground-faul pickup h = Ground-faul delay STR 38 S STR 38 S Conrol Uni Overcurren proecion Long-ime Shor-ime nsananeous Opions Ammeer Faul ndicaors Ground-faul Proecion STR 58 U Conrol Uni Overcurren proecion Long-ime Shor-ime nsananeous STR 58 U Opions Ammeer Faul ndicaors Ground-faul Proecion Zone-selecive inerlocking Load Monioring Communicaion Schneider Elecric All Righs Reserved 27

28 MASTERPACT MP, MF and MC Circui Breakers Secion 3 Conrol Uni Types 01/2002 STR 18 M CONTROL UNT Descripion 1. Faul rip indicaor rese buon prevens reclosing of circui breaker afer faul unil rese. 2. Curren sensor raing (l n ) 3. nsananeous seing (can be urned OFF on N1 and H1 circui breakers) 4. Tes he recepacle BU ME 5. Lock he conrol uni seings PBD (capive nus) Seings nsananeous Pickup (shor-circui) STR 18 M max xn max xn + Ð Schneider Elecric All Righs Reserved

29 xn STR 18 M MASTERPACT MP, MF and MC Circui Breakers 01/2002 Secion 3 Conrol Uni Types 1. Before energizing main circuis, open and discharge circui breaker O push OFF OFF conneced disconneced push ON discharged 2. Adjus conrol uni n 2000 A (Example) xn STR 18 M n =2000 A Max. N1-H1 ( A) 2 8 N1-H1 ( A H2 2 8 off Max 2 o Max = 8 x n = A 3. Close circui breaker O push OFF push ON ON conneced disconneced 4. Tes he conrol uni BU xn ME The complee ki can simulae a shor circui. + Ð Wih he mini ki MERLN GERN Schneider Elecric All Righs Reserved 29

30 MASTERPACT MP, MF and MC Circui Breakers Secion 3 Conrol Uni Types 01/2002 STR 28 D CONTROL UNT Descripion 1. Faul rip indicaor rese buon prevens reclosing circui breaker afer faul unil rese 2. Measure he curren 3. ndicaes he rae of load (% r ) 4. Curren sensor raing ( n ) 5. Raing plug ( o ) 6. Adjus l f (long-ime seing) 7. Adjus m (insananeous) 8. Overload indicaor 9. Conrol uni seing values 10. Tes he conrol uni 11. Lock he conrol uni seings BU ALR ME PBD STR 28 D r %r xo m xr r : r m : Seings Adjusable r Long-ime seing (overload) m nsananeous seing (shor-circui) Fixed r Long-ime delay Opions Opion see page 38 r m + Ð i xo m xr Schneider Elecric All Righs Reserved

31 i STR 28 D MASTERPACT MP, MF and MC Circui Breakers 01/2002 Secion 3 Conrol Uni Types 1. Before energizing main circuis, open and discharge circui breaker O push OFF OFF conneced disconneced push ON discharged 2. Adjus conrol uni o = 1600 A Example: n = 2000 A; o = 1600 A; r = 1440 A; m = 7200 A n 2000 A STR 28 D n= 2000 A o r m.98 1 o r 1600 A r xo m r = 0.90 x o = 1440 A r 0.8 o 1 o i xo m m m = 5 x r = 7200 A m 1.5 o 10 r 3. Close circui breaker O push OFF push ON ON conneced disconneced 4. Tes he conrol uni BU xo ME The complee ki can simulae: an overload a shor-circui i + Ð r xo m xo MERLN GERN Wih he Mini Tes Ki Schneider Elecric All Righs Reserved 31

32 MASTERPACT MP, MF and MC Circui Breakers Secion 3 Conrol Uni Types 01/2002 STR 38 S CONTROL UNT Descripion 1. Faul rip indicaor rese buon prevens reclosing circui breaker afer faul unil rese. 2. Measure he curren. 3. ndicaes he rae of load (% r ) 4. Curren sensor raing ( n ) 5. Overload indicaor 6. Raing plug ( o ) ALR 7. Adjus r (long-ime seing) 8. Adjus m (shor-ime seing) 9. Adjus m (shor-ime delay) 10. Conrol uni seing values 11. Swich on or off he insananeous proecion (N1/H1 ype only) 12. Adjus h (ground-faul proecion) 13. Adjus h (ground-faul proecion delay) 14. Faul rip indicaor 15. Tes he conrol uni 16. Lock he conrol uni seings 17. Save faul rip indicaor T T F BU PL W W ME PBD 18. Clear faul rip indicaor and / or check baery level 19. Recall he la faul rip indicaor + F PL + F PL STR 38 S r %r xo m m xr on 2 off r : r faul m : max. off r h : xn h h T h faul m faul m h A on 2 off i overcurren + Ð Ð + ground F Seings Adjusable r Long-ime seing (overload) m Shor-ime seing (shor-circui) m Shor-ime delay 2 on or off Opions Opion Opion Opion Opion r xo F T W m xr see page 38 see page 39 see page 41 see page 41 m on off max. xn off h h T A on off Schneider Elecric All Righs Reserved

33 F F T T F i STR 58 U T R MASTERPACT MP, MF and MC Circui Breakers 01/2002 Secion 3 Conrol Uni Types 1. Before energizing main circuis, open and discharge circui breaker O push OFF OFF conneced disconneced push ON discharged r m h i STR 38 S n = 2000 A 0.5 xo m xo xn h xn l o = 1600 A o Max off ẋn r m m 15 m m Adjus conrol uni. Example: n = 2000 A; o = 1600 A; r = 1440 A; m = 7200 A 2000 A 1600 A n o r = 0.90 x o = 1440 A r 0.8 o 1.0 o r m m = 5.0 x r = 7200 A m 1.5 o 10.0 r off (H1) Max Max Max MaxMax Max Max off Max. 3. Close circui breaker STR 38 S o = 1600 A o r m m Example: n = 2000 A; o = 1600 A; r = 1440 A; m = 7200 A n 2000 A o 1600 A r r = 0.90 x o = 1440 A r 0.8 o 1.0 o n = 2000 A 0.5 r xo m m xo xn h h m m m m = 5 x r = 7200 A m 1.5 o 10.0 r i xn Max ẋn off H1 Max Max Max Max Max Max Max off Max 4. Tes he conrol circui O push OFF OFF conneced disconneced push ON discharged BU r xo m xo xn h xn c1 r a 1.5r m h c2 xr xr xn h h xn overcurren c1 c2 + Ð xr xr Ð ground F Wih he Mini Tes Ki T R MERLN GERN ME The complee ki can simulae: an overload a shor-circui a ground-faul Schneider Elecric All Righs Reserved 33

34 MASTERPACT MP, MF and MC Circui Breakers Secion 3 Conrol Uni Types 01/2002 STR 58 U CONTROL UNT Descripion 1. Faul rip indicaor rese buon prevens reclosing of circui breaker afer faul unil rese 2. Selec he remoe indicaed FV faul rip 3. Measure he curren 4. Selec phase o measure 5. ndicaes he rae of load (% r ) 6. Maximum proecion raing 7. Overload indicaor ALR 8. Raing plug ( o ) 9. Adjus l r (long-ime seing) 10. Adjus r (long-ime delay) 11. Adjus l m (shor-ime seing) 12. Adjus m (shor-ime delay) 13. Decrease hermal memory afer ripping 14. Adjus (insananeous) 15. Adjus l h (ground-faul proecion) 16. Adjus h (ground-faul proecion delay) 17. Conrol uni seing values 18. Adjus c 2 (load monioring) 19. Adjus c 1 (load monioring) T T W W R R 20. Tes he conrol uni 21. Save faul rip indicaor 22. Lock he conrol uni seings 23. Clear faul rip indicaor and/or check baery level 24. Recall he la faul rip indicaor 25. Faul rip indicaor BU PL PBD ME + F PL + F PL F 90 %r 105 τr h faul h norm min. r faul r r : m : h : m faul m i overcurren + Ð Ð + ground STR 58 U L+ off r r xo a 1.5r m m xr on 2 off 8 4 +T rese V L+T L L++T 2 Max. xn h 1200A Max h T A on 2 off c1 c2 R xr xr T V Seings Adjusable r Long-ime seing (overload) r Long-ime delay m Shor-ime seing (shor-circui) m Shor-ime delay 2 on or off Opions Thermal memory limiaion see page 37 funcion Opion Opion Opion F FV see page 38 see page 39 see page 41 Opion R see page 40 Opion T see page 41 Opion W see page 41 Opion Z see page 42 Opion C see page 42 r r xo a 1.5r m xr m on off Max. xn h 1200A Max h.4.4 T A on off c1 c2 R xr xr Schneider Elecric All Righs Reserved

35 F T R F i STR 58 U T R MASTERPACT MP, MF and MC Circui Breakers 01/2002 Secion 3 Conrol Uni Types 1. Before energizing main circuis, open and discharge circui breaker O push OFF OFF conneced disconneced push ON discharged 2. Adjus conrol uni. Example: n = 2000 A; o = 1600 A; r = 1440 A; m = 7200 A n 2000 A r m h STR 58 U n = 2000 A r xo a 1.5r m xo xn h T o r m m r m 15 m m o r 1600 A r = 0.90 x o =1440 A m = 5 x r = 7200 A r m 0.8 o 1.0 o 1.5 o 10.0 r F xn i c1 c2 xr xr R off 2 Max. (H2) (H1) 2 2 Max off 2 o Max 2 o off 3. Close circui breaker STR 58 U o r m r m r 15É480 s m off m 2 off 0 o 0.4 s r r xo a 1.5r m m xo xn h h xn i c1 c2 xr xr o r m r m m on o 0.3 s on m2 4. Tes he conrol uni O push OFF OFF push ON discharged BU r r xn h h xn overcurren c1 c2 + Ð xr xr Ð ground F T R ME The complee ki can simulae: an overload a shor-circui a ground-faul conneced disconneced xo m xo xn h xn c1 a 1.5r m h c2 MERLN GERN xr xr Wih he Mini Tes Ki Schneider Elecric All Righs Reserved 35

36 MASTERPACT MP, MF and MC Circui Breakers Secion 3 Conrol Uni Types 01/2002 CONTROL UNT OPTONS Pre-rip and Overload ndicaion Opion ALR The pre-rip and overload indicaion is sandard wih all conrol unis excep STR 18 M. The overload indicaor is a ligh-emiing diode (LED) which is: On when he curren exceeds of he curren seing. Flashing on overload when curren exceeds of curren seing. The pre-rip alarm swich is a conac (LR1 LR2) which closes when he circui breaker is in he overload zone. opens if he load decreases below he overload zone or if he circui breaker rips. For wiring diagram, see page 46. STR 28 D LED %r o xn r xo m xr OFF: < 0.9 r STR 28 D STR 38 S o xn r xo m xo 90 %r 105 o xn r xo m m xr on 2 off 90 %r 105 ON: 0.9 r 1.05 r + i STR 58 U o r r %r xn xo a 1.5r Flashing: > 1.05 r + m m xr on 2 off When a dc power source is used, power has o be emporarily disconneced o rese he opical riac conacs Schneider Elecric All Righs Reserved

37 MASTERPACT MP, MF and MC Circui Breakers 01/2002 Secion 3 Conrol Uni Types Thermal Memory Limiaion WARNNG HAZARD OF PERSONAL NJURY OR EQUPMENT DAMAGE. Use min posiion only for emergency, when reclosing on faul is absoluely necessary. Failure o follow his insrucion can resul in serious personal injury or equipmen damage. Thermal memory is sandard on he STR 38 S and STR 58 U rip unis. The hermal memory funcion remembers he hermal heaing from each ime he pickup seing is exceeded. operaes: Before ripping on long-ime and ground-faul proecion (if provided). Afer ripping on long-ime proecion only; he ime-consan depends on he inernal emperaure of he circui breaker. Any emporary overload generaes an overheaing value, which is sored. A series of emporary overloads will be inegraed ino his overheaing value. Soring of his value resuls in reduced ripping ime so he reacion of he rip uni will be closer o he real heaing seen by he sysem. The inernal emperaure rise of he circui breaker is measured by hermal resisors. The cooling ime consan of he memory depends on he over-emperaure condiion. The sandard version of he conrol uni STR 58 is fied wih a min/max posiion swich. The min posiion cancels he hermal memory and mus only be used in emergencies where reclosing on a faul is essenial. τ r norm. τr τ r norm τ r r r x x= f( θ ACB) STR 58 U r r xn xo m xo a 1.5r m ➀ ➁ ➂ τ r τ r min. xn h h xn i c1 c2 xr xr T R τ r min. r r F r τ r Schneider Elecric All Righs Reserved 37

38 MASTERPACT MP, MF and MC Circui Breakers Secion 3 Conrol Uni Types 01/2002 Ammeer Opion 1, 2, 3: Phase curren m : Maximum insananeous curren max: Maximum curren sored since he las rese h : Ground-faul curren M STR 38 S STR 38 S STR 38 S STR 38 S N h m STR 38 S STR 38 S m max max max STR 38 S STR 38 S STR 38 S Schneider Elecric All Righs Reserved

39 F i T R MASTERPACT MP, MF and MC Circui Breakers 01/2002 Secion 3 Conrol Uni Types Faul ndicaion Opion F Three ligh-emiing diodes (LEDs) indicae separaely long-ime, shorime/insananeous and ground-faul rip. A fla push buon allows reseing of he indicaor afer ripping. A separae power supply is required o mainain he faul indicaion afer he circui breaker rips. Two opions are offered: Connecing a reliable 24 Vdc conrol volage on F1-F2. Auxiliary power module is used for oher volages. When he conrol source is unreliable, a beery pack (BAT) is added o power module. From a buil-in baery module. When no exernal conrol source is available, a buil-in baery module may be ordered (opion PL). This module inegraes baery ing and indicaor reseing buons r xo m STR 58 U xo r a 1.5r m r faul h faul h r r : m : h : m faul m i r faul r h faul h r : m : h : m faul m i h faul h r : r faul m : r h : m faul m i xn h h xn c1 c2 xr xr F F Turns off afer wo minues (if inernal baery power supply). Call i back hen rese i Schneider Elecric All Righs Reserved 39

40 MASTERPACT MP, MF and MC Circui Breakers Secion 3 Conrol Uni Types 01/2002 Baery Opion F Tes 1 2 Lihium Baery Size: 3.6 V - 850mA/h Type: SAFT LS3 SONNENSCHEN TEL-S STR 58 U F Tes 3 4 r r xo a 1.5r m m S A F T Lihium 3,5V - 850mA/h xo xn h h T 5 F xn i c1 c2 xr xr R F Tes 6 Baery Tes led F Tes 7 Load Monioring Opion R The opion R provides wo independan saic conacs which operae when he curren exceeds adjusable pickup limis. When he curren exceeds he limi c1 (or c2) he conac C-R1 (or C-R2) closes, following an inverse ime characerisic a. When he curren drops below he limi c1 (or c2) he conac C-R1 (or C-R2) opens wih consan ime delay (10 seconds) b. For wiring diagram see page 46. \ r xo m STR 58 U xo r a 1.5r m r faul h faul h r r : m : h : m faul m i r faul r h faul h r : m : h : m faul m i h faul h r : r faul m : r h : m faul m i h xn h T xn i c1 c2 R F xr xr Turns off afer wo minues (if inernal baery power supply). F F Call i back. hen rese i Schneider Elecric All Righs Reserved

41 F T R MASTERPACT MP, MF and MC Circui Breakers 01/2002 Secion 3 Conrol Uni Types Segregaed Alarm Swich Opion FV This swich works like he sandard overcurren rip swich (SDE) excep a selecor swich on he conrol uni is used o choose he ype of faul which will operae he conac: overload, shor-circui, ground-faul or any combinaion of hese ypes. This opion can be used in addiion o he SDE swich for remoe signaling of paricular ypes of fauls. A fla push buon allows reseing of he indicaor afer ripping. V = Selecor Swich Faul Type Overload Shor-circui Ground-faul V r STR 58 U r L L + T V xo a 1.5r m m xo xn h h xn i c1 c2 xr xr T L L + + T T = 1 V Off To rese remoe indicaor conac (V oupu) V F 1 2 +T rese V L+T L+ L++T T L off V Ground-faul Proecion Opion T or W Use 24 Vdc module when circui breaker has ground-faul rip uni and when load is less han of sensor or ground-faul pick-up is se in he red* (lower) zone h 1200A Max h T h 0.1 o 1.0 n Max 1200 A A on 2 off 0.1 o 0.4 sec. STR 58 U on r xo m xo r a 1.5r m *Red zone h 0.1 o 1.0 n Max 1200 A F i h xn xn c1 xr h c2 xr R T = Residual sensing W = Source ground reurn h 1200A Max A h on 2 off T 2 off 0.1 o 0.4 sec. h Schneider Elecric All Righs Reserved 41