Current Limiting Fuses, CEF Motor Circuits Fuses, CMF. Catalogue 1YMB en. Industrial IT. enabled

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1 PowerIT PowerIT Current Limiting Fuses, Motor Circuits Fuses, CMF Catalogue 1YMB51-en Industrial IT enabled TM

2 High voltage current limiting fuse links type Rated voltage:,/7,- kv Rated current: - A Index 1. General.... Overvoltages.... Replacement of melted fuse links Nameplate Pre-arcing times Current limitation Indicator and striker pin Choice of fuse links Ordering table Data and dimensions Accessories...9. Data and dimensions... High voltage current limiting fuse link for MOTOR circuit applications type CMF Rated voltage: Rated current:, kv 0-15 A 7, kv -15 A kv - A Index 1. General Nameplate Indicator and striker pin Ordering table CMF Ordering table UCM.... Ordering table type CMF-BS Pre-arcing times Current limitation Overvoltages Choice of fuse links Replacement of melted fuse links The K-factor Data and dimensions CMF...15

3 High voltage current limiting fuse links type Rated voltage:,/7,- kv Rated current: - A 1. General The HRC generation of fuse link type are designed and tested according to IEC Publication 8-1. Dimensionally the fuse links are in accordance with DIN 4. 's high voltage fuse links have the following properties: Low minimum breaking current Low power losses Low arc-voltage High breaking capacity High current limitation. Low power losses permit installation of these fuse links in compact switchgear. fuses are of back-up type. They have a zone between the minimum melting current and the minimum breaking current where the fuse links may fail to interrupt. For fuse links this zone is very narrow. The minimum breaking current I for any type is specified in the table on p. 8. Other fuse types produced by can be found in the following catalogues: Fuses for Voltage Transformers WBP/BRT 1YMB0001-en Fuses for Railway DC Applications BWT/WBT 1YMB1-en. Overvoltages In order to be current limiting, the fuse link must generate an arc-voltage exceeding the instantaneous value of the operating voltage. The switching voltage generated by the fuse link is below the maximum permissible value acc. to IEC 8-1. The fuse link can safely be used if the system line voltage is -0% of the rated fuse link voltage.. Replacement of melted fuse links Cef fuse links cannot be regenerated. According to IEC Publication 8-1, all fuse links should be replaced, even if only 1 or of the fuse links in the threephase system have operated. Exceptions are allowed when it can be verified that the fuse link(s) have not experienced any over- current. STRIKER SCHLAGSTIFT TYPE IN A I I N UN kv I1 ka INDOOR INNENRAUM 4. Nameplate The symbols on the nameplate have the following meaning: I N = Rated current U N = Rated voltage I = Minimum breaking current I = Maximum short circuit current for which the fuse is tested 1 The arrowhead on the nameplate indicates in which end of the fuse link the indicator and striker pin appears. Additionally this end contact of the fuse link is specially marked. -U is outdoor type.

4 Fuse link type Minutes 8 4 Seconds 1min , 0,4 0, 0, 0,1 0,08 0,0 0, ,0 0, Pre-arcing times The characteristics are equal for all rated voltages and are recorded from cold condition. Dashed sections of the curves indicate the zone of uncertain interruption. 4

5 Fuse link type 0 ka ,1 0,01 0,1 1 Jp 0kA. Current limitation fuse links are current limiting. A large short circuit current will therefore not reach its full value. The diagram shows the relation between the prospective short circuit current and the peak value of the cut-off current. Substantial current limitation results in a considerable reduction of the thermal and mechanical stress on the high voltage installation. 7. Indicator and striker pin Force (N) The fuse link is equipped with a combined indicator- and striker system, which is activated immediately when the fuse element melts. The force diagram is in accordance with the requirements of IEC 8-1 and DIN 4. Travel (mm) 5

6 Fuse link type 8. Choice of fuse links Choice of rated voltage U N: The rated voltage of the fuse links must be equal to, or higher than the operating line voltage. By choosing the fuse link rated voltage considerably higher than the line voltage, the maximum arc voltage must not exceed the insulation level of the network. Choice of rated current I N: To obtain the best possible current limitation, and thereby also protection, IN must be chosen as low as possible compared to the rated current of the object to be protected. However, the following limitations must be taken into consideration: the largest load current must not exceed IN cooling conditions (e.g. in compact switchgear). inrush current of off load transformers. starting currents of motor circuits. (See page 14 with CMF, special motor fuses). For the choice of rated current of fuse links for protection of transformers, the relation between the power rating of the transformers, operating voltage and rated current of the fuse link is given in the table below. The same table indicates the highest rated current of the low voltage fuse link (on the low voltage side of the transformer) which gives discrimination with the high voltage fuse link. The low voltage fuse link is of the type gl (VDE) or gg / gm (IEC). For choice of fuse links for transformer protection in switchgear of type Safe Plus or Safering CTC-F, see SF Insulated Compact Switchgear and Ring Main Unit catalogue (NOPOWSR4GB). Choice of fuse links for protection of transformers Line voltage (kv) TRANSFORMER RATING (kva) HIGH VOLTAGE FUSE-LINK I n (A) * 0 15* 0* 15* 0* x x x x Low voltage LOW VOLTAGE FUSE-LINK I n (A) 0 V V V * CMF - fuse link

7 Fuse link type 9. Ordering table High-voltage HRC fuse links Other ratings and dimensions on request. When ordering outdoor version pls. indicate U. 7 19/5 19/5 19/5 19/5 19/5 19/5 19/5 19/5 19/5 9/5 9/5 9/5 9/5 9/5 9/5 9/5 9/87 9/87 9/5 9/5 9/5 9/5 9/87 9/87 9/87 /5 /5 /5 /5 /87 /87 /87 /87 /87 /87 /5 /5 /5 /5 /5 /87 /87 /87 /87 /87 /5 /5 /5 /87 /87 /87 /87 57/87 57/87 57/5 57/5 57/5 57/87 57/87 Type Rated voltage kv Rated current A e/d mm Old No. New No. Weight kg e/d mm Old No. New No. Weight kg ,5 1,5 1,5 1,5 1,5 1,5 1,5,,,,,,,,,,8,8,,,,,8,8,8 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,,,,1,1,1,, 9/5 9/5 9/5 9/5 9/5 9/5 9/5 9/87 9/87 9/87 9/87 9/87 /5 /5 /5 /5 /5 /5 /5 /87 /87 /87 /87 /87 7/5 7/5 7/5 7/5 7/87 7/87 7/87 57/87 57/87 57/87 NHPL0570R1 NHPL05719R1 NHPL0570R1 NHPL05704R1 NHPL0579R1 NHPL0570R1 NHPL0570R1 NHPL05748R1 NHPL05749R1 1YMB54M0001 1YMB54M000 1YMB54M000 1YMB54M0004 1YMB54M0005 1YMB54M000 1YMB54M0007 1YMB54M0008 1YMB54M0009 1YMB1M00 1YMB1M0011 1YMB1M00 1YMB55M0001 1YMB55M000 1YMB55M000 1YMB55M0004 1YMB55M0005 1YMB55M000 1YMB55M0007 1YMB55M0008 1YMB55M0009 1YMBM00 1YMBM0011 1YMBM00 1YMB5M0001 1YMB5M000 1YMB5M000 1YMB5M0004 1YMB5M0005 1YMB5M000 1YMB5M0007 1YMB4M0008 1YMB4M0009 1YMB4M00,,,,,,,,,,,, 5, 5, 5, 5, 5,,7,7,7,7 4,4 4,4 4,4,,, 1YMB1M0001 1YMB1M000 1YMB1M000 1YMB1M0004 1YMB1M0005 1YMB1M000 1YMB1M0007 1YMB1M0008 1YMB1M0009 1YMBM0001 1YMBM000 1YMBM000 1YMBM0004 1YMBM0005 1YMBM000 1YMBM0007 1YMBM0008 1YMBM0009 1YMBM0001 1YMBM000 1YMBM000 1YMBM0004 1YMBM0005 1YMBM000 1YMBM0007 1YMB57M0001 1YMB57M000 1YMB57M000 1YMB57M0004 1YMB57M0005 1YMB57M000 1YMB57M0007 1YMBM0008 1YMBM0009 1YMBM00 1YMB4M0001 1YMB4M000 1YMB4M000 1YMB4M0004 1YMB4M0005 1YMB4M000 1YMB4M0007 1YMB5M0001 1YMB5M000 1YMB5M000 1YMB5M0001 1YMB5M000 1YMB5M000 1YMB5M0004 1YMB5M0005 1YMB5M000 1YMB5M0007 1YMB5M0008 1YMB5M0009 1YMBM0001 1YMBM000 1YMBM000 1YMBM0004 1YMBM0005 NHPL05711R1 NHPL0571R1 NHPL05714R1 NHPL05715R1 NHPL057R1 NHP 5R NHPL05717R1 NHPL05701R1 NHPL05718R1 NHPL0571R1 NHPL057R1 NHPL057R1 NHPL057R1 NHPL057R1 NHP R NHPL0577R1 NHPL0570R1 NHPL0578R1 NHPL0571R1 NHPL057R1 NHPL0574R1 NHPL0575R1 NHPL057R1 NHP 7R11 NHPL0577R1 NHPL05705R1 NHPL0578R1 NHPL0579R1 NHPL05741R1 NHPL0574R1 NHPL05744R1 NHPL05745R1 NHPL0574R1 NHP 8R NHPL05747R1 NHP 47R NHP 47R1 NHP 47R NHP 14R7 NHP 14R8 NHP 14R9 NHP 14R1 NHP 14R NHP 14R5 NHP 14R NHP 14R NHP 14R4 NHPL057R1 NHPL0575R1 NHPL0575R1 NHPL05754R1 NHPL05755R1

8 Fuse link type. Data and dimensions UN IN e D I1 I PN RO kv A mm mm ka A W mω 19/ / / ,,/7, 19/ ,1 19/ , 19/ ,4 19/ ,8 19/ , 0 19/ , , , ,7 9/ / / / , 9/ 5 5 5,0 9/ ,9 9/ ,4 9/ , 0 9/ 87 75, , , ,7 9/7/ /7/ /7/ /7/ ,7 9/7/ ,5 9/7/ 87 90,1 9/7/ , , , , , 5 1 4, , , , , , , , , , , , , , ,1 I 1 = maximum short-circuit current tested I = minimum breaking current P N= power loss at rated current R 0= resistance at room temp. 8

9 Fuse link type 11. Accessories Fuse base type UCE Fuse clips 4.5 ±0.5 9 R4 ø. Old No. NHP078P1 New No. 1YMX078P0001 R R.5 R ø. 8.5 R R5 Ordering table Type Rated Current Fuse Dimensions in mm Weight Old No. New No. voltage ratings length kv A mm A A1 A H K K1 B kg UCE 7,,/7, ,4 NHPL1R1 1YMX01M001 UCE,/7, 1- NHPLR1 1YMX0M ,7-0 NHPLR1 1YMX0M001 UCE L , NHPL5R1 1YMX05M001 UCE ,7 HNPL7R1 1YMX07M001 UCE -1 NHPL9R1 1YMX09M ,9 NHPL9R1 1YMX09M001 UCE L ,4 NHPL511R1 1YMX0511M001 UCE , NHPL51R1 1YMX051M001 test fuse-link,/7,- kv for test of striker system. Old No. New No. * Adjustable. The striker has a force-travel characteristic as shown in the figure on page 5. Operating tong for fuse links,/7, KV Old No. New No. Test voltage Weight kv kg NHPL00R1 1YMX00M001 0, Dimensions in mm Weight kg NHP 000 1YMX000R001 1,4 L1 L A( Ø) Dimension in mm e* Total length Old No. NHP077P1 New No. 1YMX077P0001 9

10 Fuse link type. Data and dimensions Data and dimensions acc. to EN 08-1: /5 07/5 07/5 07/5 07/5 07/5 07/5 07/5 07/5 7/87 7/87 7/87 7/5 7/5 7/5 7/5 7/5 7/5 7/5 7/5 7/5 7/5 7/5 7/5 7/5 7/5 7/5 7/5 557/5 557/5 557/5 557/5 557/5 557/5 557/5 05/5 07/5 07/5 07/5 07/5 07/5 07/5 07/5 07/5 419/87 7/87 7/87 7/5 7/5 7/5 7/5 7/5 7/5 7/5 7/5 7/5 55/87 419/5 7/5 7/5 7/5 7/5 7/5 7/5 55/87 557/5 557/5 557/5 557/5 557/5 557/5 557/ NHP R1 NHP R NHP R NHP R4 NHP R5 NHP R NHP R7 NHP R8 NHP R9 NHP R NHP R11 NHP R NHP 81R1 NHP 81R NHP 81R NHP 81R4 NHP 81R5 NHP 81R NHP 81R7 NHP 81R8 NHP 81R9 NHP 81R NHP 81R11 NHP 81R NHP 8R1 NHP 8R NHP 8R NHP 8R4 NHP 8R5 NHP 8R NHP 8R NHP 8R7 NHP 8R8 NHP 8R9 NHP 8R1 NHP 8R NHP 8R NHP 8R4 NHP 8R5 NHP 8R7 NHP 8R NHPR1 NHPR NHPR NHPR NHPR NHPR NHPR7 NHPR8 NHPR9 NHPR0 NHPR1 NHPR NHP81R1 NHP81R NHP81R NHP81R NHP81R NHP81R NHP81R7 NHP81R8 NHP81R9 NHP81R0 NHP81R1 NHP81R NHP8R1 NHP8R NHP8R NHP8R NHP8R NHP8R NHP8R7 NHP8R8 NHP8R9 NHP8R0 NHP8R1 NHP8R NHP8R NHP8R NHP8R NHP8R NHP8R7 1YMB7M0001 1YMB7M000 1YMB7M000 1YMB7M0004 1YMB7M0005 1YMB7M000 1YMB7M0007 1YMB7M0008 1YMB7M0009 1YMB7M00 1YMB7M0011 1YMB7M00 1YMB8M0001 1YMB8M000 1YMB8M000 1YMB8M0004 1YMB8M0005 1YMB8M000 1YMB8M0007 1YMB8M0008 1YMB8M0009 1YMB8M00 1YMB8M0011 1YMB8M00 1YMB9M0001 1YMB9M000 1YMB9M000 1YMB9M0004 1YMB9M0005 1YMB9M000 1YMB9M0007 1YMB9M0008 1YMB9M0009 1YMB9M00 1YMB5M0001 1YMB5M000 1YMB5M000 1YMB5M0004 1YMB5M0005 1YMB5M000 1YMB5M0007 1YMB7M001 1YMB7M00 1YMB7M00 1YMB7M00 1YMB7M00 1YMB7M00 1YMB7M007 1YMB7M008 1YMB7M009 1YMB7M000 1YMB7M001 1YMB7M00 1YMB8M001 1YMB8M00 1YMB8M00 1YMB8M00 1YMB8M00 1YMB8M00 1YMB8M007 1YMB8M008 1YMB8M009 1YMB8M000 1YMB8M001 1YMB8M00 1YMB9M001 1YMB9M00 1YMB9M00 1YMB9M00 1YMB9M00 1YMB9M00 1YMB9M007 1YMB9M008 1YMB9M009 1YMB9M000 1YMB5M001 1YMB5M00 1YMB5M00 1YMB5M00 1YMB5M00 1YMB5M00 1YMB5M007 Type Type Rated voltage kv Rated voltage kv Rated current A Rated current A L/D mm L/D mm A mm A mm Old No. Old No. New No. New No.

11 High voltage current limiting fuse link for MOTOR circuit applications type CMF Rated voltage: Rated current:, kv 0-15 A 7, kv -15 A kv - A 1. General The fuse links type CMF are specially designed for motor circuit applications. They are tested according to the IEC Publication 8-1 and Publication 44. The IEC 44 applies to fuse links used with motors started direct-on-line on alternating current systems. High voltage fuses used in motor circuits must have the ability to withstand, without deterioration, the repeated surges associated with motor starting. The dimensions are in accordance with DIN 4, i.e. the, kv rating is realized in the normal kv length (e = 9 mm). The 7, kv and kv rating in the kv length (e = mm). Special connection elements can be delivered in cases where fuses have to be paralleled. s motor fuses have the following properties: higher current rating within single body dimensions tested according to IEC 44 which guaranties excellent ability to withstand repeated motor starting conditions low power losses low minimum-breaking-current high breaking capacity and excellent short circuit current limitation. Although a motor fuse is normally run at a stationary current which is much lower than the fuse rated current, the low-loss characteristics of the CMF fuses make them especially suitable in compact contactor compartments.. Nameplate STRIKER SCHLAGSTIFT I N = A TYPE CMF UN = 7,kV I1 = ka The symbols on the nameplate have the following meaning: I N = Rated current U N = Rated voltage I = Maximum short circuit current for which the fuse is tested 1 The arrowhead on the nameplate indicates in which end of the fuse link the indicator and striker pins appears. Additionally this end contact of the fuse links is specially marked. Force (N). Indicator and striker pin The CMF fuse links are equipped with a combined indicator and striker system, which is activated immediately when the fuse element melts. The force diagram is in accordance with the requirements of IEC 8-1 and DIN 4. Travel (mm) 11

12 Fuse link type CMF 4. Ordering table type CMF High voltage fuse links Type Rated Rated e Old No. New No. Weight voltage kv current A kg CMF, 0 9 NHPL0570R1 1YMB58M0001. CMF, 0 9 NHPL0571R1 1YMB58M000. CMF, 9 NHPL057R1 1YMB58M000. CMF, 0 9 NHPL057R1 1YMB58M CMF, 15 9 NHPL0574R1 1YMB58M CMF 7, NHPL05770R1 1YMB59M CMF 7, 0 NHPL05771R1 1YMB59M000.0 CMF 7, 0 NHPL0577R1 1YMB59M000.0 CMF 7, NHPL0577R1 1YMB59M CMF 7, 0 NHPL05774R1 1YMB59M CMF 7, 15 NHPL05775R1 1YMB59M CMF NHPL0577R1 1YMBM CMF 0 NHPL05777R1 1YMBM CMF 0 NHPL05778R1 1YMBM CMF NHPL05779R1 1YMBM FUSE BASE TYPE UCM 5. Ordering table UCM Rated Dimensions in mm Weight Type voltage Old No. New No. kv A A1 A H K K1 B kg UCM, ,7 NHP1907R1 1YMX1907R001 UCM 7,/ , NHP1907R 1YMX1907R00. Ordering table type CMF-BS Dimension CMF-BS kv, L A 48 7, Type Rated Rated e Old No. New No. Weight voltage kv current A kg CMF-BS, 0 9 NHPL147R1 1YMB51M0001. CMF-BS, 0 9 NHPL147R 1YMB51M000. CMF-BS, 9 NHPL147R 1YMB51M000. CMF-BS, 0 9 NHPL147R4 1YMB51M CMF-BS, 15 9 NHPL147R5 1YMB51M CMF-BS 7, NHPL147R 1YMB5M CMF-BS 7, 0 NHPL147R7 1YMB5M000.0 CMF-BS 7, 0 NHPL147R8 1YMB5M000.0 CMF-BS 7, NHPL147R9 1YMB5M CMF-BS 7, 0 NHPL147R 1YMB5M CMF-BS 7, 15 NHPL147R11 1YMB5M CMF-BS NHPL147R1 1YMB5M CMF-BS 0 NHPL147R14 1YMB5M CMF-BS 0 NHPL147R15 1YMB5M CMF-BS NHPL147R 1YMB5M

13 Fuse link type CMF Pre-arcing time Pre-arcing times Minutes / Minuten The characteristics are equal for all rated voltages and are recorded from cold condition. Dashed sections of the curves indicate the zone of uncertain interruption. 1 0 Seconds / Secunden 8 4 0,8 1 0, 0,4 0, , , Current / Strom in A Maximum cut of current ka (peak) 0 8. Current limitation CMF fuse links are current limiting. A large short circuit current will therefore not reach its full value. The diagram shows the relation between the prospective short circuit current and the peak value of the cut off current Overvoltages 1, Prospective current ka (rms) In order to be current limiting, the fuse links must generate an arc voltage exceeding the instantaneous value of the operating voltage. The overvoltage generated by the CMF fuse link is below the maximum permissible value acc to IEC 8-1. CMF fuse links can safely be used if the system line voltage is -0% of the rated fuse link voltage. 1

14 Fuse link type CMF Fuselink rating [A] 15 0 Motor run-up times not exceeding seconds 8 4 Number of starts per hour. Choice of fuse links Choice of rated voltage UN The rated voltage of the fuse links must be equal to, or higher than the operating line voltage. By choosing fuse link rated voltage considerably higher than the line voltage, the maximum arc voltage must not exceed the insulation level of the network motor starting current [A] Fuselink rating [A] Motor run-up times not exceeding 15 seconds 8 4 Number of starts per hour Choice of rated current I The minimum permissible current rating of the fuse link for motor protection may be determined from the selection charts I, II and III. The three different charts are for run-up times of, 15 and 0 seconds respectively. Each chart contains different characteristics, depending on the number of starts per hour. Of this specific number of starts per hour, the first two are in immediate succession, the rest being evenly spaced in the 1 hour period. The number of starts per hour indicates the time interval between separate starts. For example, 4 starts in 15 minutes are represented by starts per hour. N motor starting current [A] On the horizontal axis of the selection chart, the motor starting current is given, and along the vertical axis the current rating of the fuse link is found. Fuselink rating [A] Motor run-up times not exceeding 0 seconds 8 4 Number of starts per hour Selection procedure: Select the charts which are appropriate for the run-up time of the motor, select the starting current along the horizontal axis, depending on the number of starts per hour, select the correct characteristic (, 4, 8,, ), read of the correct rating of the fuse link on the vertical axis. Example: A B Starting current of the motor 8A 0A Run-up time sec. 15 sec. Number of starts per hour Chart number 1 Rated current of fuse link 0A 0A motor starting current [A] 14

15 Fuse link type CMF 11. Replacement of melted fuse links CMF fuse link cannot be regenerated. According to IEC, Publication 8-1, all fuse links should be replaced, even if only 1 or of the fuse links in the threephase system have operated. Exceptions are allowed when it can be verified that the fuse link(s) have not experienced any overcurrent.. The K-factor According to the IEC 44, the K-factor is a factor (less than unity) defining an overload characteristic to which the fuse link may be repeatedly subjected under specified motor starting conditions without deterioration. The overload characteristic is obtained by multiplying the current on the prearcing characteristic (melting time characteristics) by K.TheValue of K given in the data table is chosen at seconds melting time, and is valid for melting times between 5 and 0 seconds. 1. Data and dimensions CMF U I e D K* I I R P N N 1 O N Minimum Maximum kv A mm mm ka A mω Watt Pre-arc Interruption A s A s ,75 75, 49 1,4 17, ,7 0 1,94 75, ,7 0 1,4 75 7, , 70 1, , 900 0, , , 45 0,48, , ,9 7 1, 18 7, 0 5 0,7 0,9 119, ,7 0, , , 0 1, , 9 1, , , 77 0, ,75 75,7 1, ,7,04 155, ,7, , 91 *) The K-factor is referred to the average value of current. Legends: e = see figure D = see figure K = K-factor acc. to IEC 44 I 1 = max. short circuit current tested I = minimum breaking current R 0 = resistance at room temperature P N= power loss at rated current 15

16 is working to continuous improve the products. Therefore we reserve the right to change desig n, dimension and data without prior notice. TM This product has been certified by Group as Industrial IT Enabled - Information Level. All product information is supplied in interactive TM electronic format, based on Aspect Object technology. The Industrial IT commitment from ensures that every enterprise building block is equipped with the integral tools necessary to install, operate, and maintain it efficiently throughout the product lifecycle. 1YMB51-en Publication 04. Sp. z o.o. Power Technologies Division ul. Leszno Przasnysz, Poland Phone: (+48 ) , (+48 9) 75, 75 Fax: , export.plzwa@pl.abb.com