Series MTO. Thermal overload relays. Thermal overload relays. for minicontactors from 0.11 to 14A. Standards. General characteristics.

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Series MTO for minicontactors from 011 to 14 ontrol circuit up to 690V Power circuit up to 690V Three-pole differential (phase unbalance protection) utomatic ambient temperature compensation between

1 Series MTO for minicontactors from 011 to 14 ontrol circuit up to 690V Power circuit up to 690V Three-pole differential (phase unbalance protection) utomatic ambient temperature compensation between 25º and + 60º hoice of manual or automatic reset irect connection to contactor or independent mounting using accessories Screw and Ring terminal versions Terminals protected against accidental contact in accordance with V 0106 T100 and V4 Terminal numbering in accordance with N egree of protection P20 (N 60529) dditional auxiliary contact block 1NO (with manual reset only) Standards eneral characteristics /N /N UN 115 N pprovals S 222/14 N V 0660 UL 508 Thermal protection against balanced overload Three-pole differential (phase unbalance protection) utomatic ambient temperature compensation ront mounted selector for choosing utilisation current Reset button, 2 positions : Manual() and utomatic() by turning the blue selector Stop push button, independent of reset (red) Manual trip lever (tripping test) Tripping indicator (0-1) To facilitate wiring arrangements terminal 96 fits directly onto coil terminal (2) and terminal 14/22 fits directly onto the feedback auxiliary contact culus NMKO SMKO ST Order codes! pg 61 Technical data! pg 66 imensions! pg 67

2 Series MTO for minicontactors or use with: M0 M1 M2 Setting range use Terminal: Terminal: Pack (regulation) am gl screw ring terminal Type 2 Type 1 Type 2 Type 1 at no Ref no at no Ref no min max MT MT03R MT MT03R MT MT03R MT MT03R MT MT03R , MT MT03R MT MT03R MT MT03R MT MT03R MT03J MT03RJ MT03R MT03K MT03RK MT03L MT03RL MT03M MT03RM MT03N MT03RN MT03P MT03RP Order codes ccessories Terminal at no Ref no Pack nput terminals Screw MV0T Ring terminal MV0R ase or separate mounting onto standard N profile MV0T uxiliary contact block rontal fixing to the relay Screw MTV10T With trip indicator (0-) Ring terminal MTV10R One block per relay and only for manual reset dentification Sheets of labels (sheets of 260 labels each) T Labeling plate base (50 pieces in one pack) SPR

for contactors from 016 to 850 ontrol circuit up to 690V Power circuit: - RT1, RT12: up to 690V - RT2, RT22, RT3, RT32, RT4/4L, RT5/5L & RT6/6L: up to 1000V Thermal protection against normal

3 for contactors from 016 to 850 ontrol circuit up to 690V Power circuit: - RT1, RT12: up to 690V - RT2, RT22, RT3, RT32, RT4/4L, RT5/5L & RT6/6L: up to 1000V Thermal protection against normal overloads Three pole differential (phase unbalance protection) Protection against long starting times utomatic ambient temperature compensation between 25º y + 60º ront mounted test button Trip indication ndependent auxiliary contacts with double rupture (1NO + 1N) unction selector: - Manual RST - Manual RST and STOP - utomatic RST with STOP - utomatic RST without STOP Standards /N /N UN 115 N pprovals culus S 222/14 N V 0660 UL 508 Manual RST Manual RST and STOP utomatic RST without STOP utomatic RST with STOP Lloyd s Register ureau Veritas RN Order codes! pg 63 Technical data! pg 68 imensions! pg 72

4 for contactors or use with: Setting range (regulation) am uses (1) gl - g Srew terminal Ring terminal Pack lass 10 lass 10 lass 20 L00 L01 L02 L25 L03 L04 L45 L05 L06 L07 L08 L09 L10 L00 L01 L02 L25 L03 L04 L45 L05 L06 L07 L08 L09 L10 (1) Most suitable fuse in accordance with min max at no Ref no at no Ref no RT RT1R RT RT1R RT RT1R RT RT1R RT RT1R RT RT1R RT1J RT1RJ RT1K RT1RK RT1L RT1RL RT1M RT1RM RT1N RT1RN RT1P RT1RP RT1S RT1RS RT1T RT1RT RT1U RT1RU RT1V RT1RV RT1W RT1RW RT RT2R RT RT2R RT RT2R RT RT2R RT RT2R RT RT2R RT RT2R RT2J RT2RJ RT2L RT2RL RT2M RT2RM RT RT12R RT RT12R RT RT12R RT RT12R RT12J RT12RJ RT12K RT12RK RT12L RT12RL RT12M RT12RM RT12N RT12RN RT12P RT12RP RT12S RT12RS RT12T RT12RT RT12U RT12RU RT12V RT12RV RT12W RT12RW RT RT22R RT RT22R RT RT22R RT RT22R RT22J RT22RJ RT22L RT22RL RT22M RT22RM Order codes

5 for contactors or use with: Setting range (regulation) am uses (1) gl - g atno Ref no Pack (Screw terminal) lass 10 K75 K08 irect mounting K85 K09 K95 (2) K10 K11 K12 (3) K13 (4) lass 20 K75 K08 irect mounting min max RT RT RT RT RT RT4N RT4P RT4R RT RT RT RT RT RT RT RT RT RT lass 30 L K Mounting with screws K85 K09 K95 (2) K10 K11 K12 (3) K13 (4) RT4L RT4L RT4L RT4L RT4L RT4L RT4L RT4L RT4LJ RT4LK RT4LL RT4LM RT4LN RT4LP RT4LR RT5L RT5L RT5L RT5L RT5L RT6L (1) Most suitable fuse in accordance with (2) itting direct to the contactor (3) itting direct to the contactor: by means of a coupling and connection set Separate mounting:with screws on N rail / with cable connection (4) RT6 = RT1 with right setting range plus RTP, independent mounting base adaptor, to be utilisied with current transformer connected by passing cable chosen by customer urrent transformer data on request

6 ccessories at no Ref no Pack ase for separate mounting N N RT1 RTP RT2 RT2P Setting range cover protection RT RT Push-button with flexible cable for distance RST RT1 - RT6 (front) 05 meters RTS RT1 - RT6 (front) 1 meters RTSL RT1, RT2, RT4, RT5, RT6 (back) RTS Order codes Terminal protection Remote electrical reset for RT3 or K75/K08 Thermal overload relay 1 pole Pxx PTPK onnection contactor-relay 3 poles RT3P3P RT1 - RT6 RTRR 1 vailable coil voltages (V) J N U /

7 Series MTO Technical data eneral Thermal protection against balanced overload Three-pole differential ( phase unbalance protection) utomatic ambient temperature compensation ront mounted selector for choosing utilisation current Reset button, 2 positions : Manual() and utomatic() by turning the blue selector Stop push button, independent of reset (red) Manual trip lever (tripping test) Tripping indicator (0-1) To facilitate wiring arragements terminal 96 fits directly onto coil terminal (2) and terminal 14/22 fits directly onto the feedback auxiliary contact onformity to standards V660 UN 115 N UL508 N pprovals UL S SMKO ST NMKO mbient conditions Storage temperature -55º to +80º Operation temperature -25º to +60º ltitude up to 3000m Nominal values from 3000 to 4000m 90%e 80%Ue from 4000 to 5000m 80%e 75%Ue egree of protection P20 Protection treatment Tropical finish limatic resistance ontinuous tests 40 / 125 / 56 old (72h) Temperature -40º ry heat (96h) Temperature +125º Relative humidity < 50% umid heat (56 days) Temperature +40º Relative humidity 95% yclical tests irst half-cycle (12h) Low temperature +25º Relative humidity 93% Second half-cycle (12h) Low temperature +55º Relative humidity 95% Number of consecutive cycles 6 Mounting positions Main circuit (poles) MT0 Rated insulation voltage (Ui) (V) 750 according to 947 requency (z) 0400 Power dissipation per pole (W) min 1 / max 25 Terminal capacity Screw M 35 (pozidrive head) safety flange Maximum capacity : Solid (Ø mm) 2 x 2 wires Stranded without end sleeve (mm 2 ) 2 wires Ø 25 Stranded with end sleeve pen (2 end sleeves) (mm 2 ) 2 wires Ø 075 pen (1 end sleeve) (mm 2 ) 2 wires Ø 1 1 wires Ø 25 Tightening torque (Nm) 08 ontrol circuit (incorporated auxiliary contact) ontrol circuit (auxiliary contact block) MT0 Rated insulation voltage (Ui) (V) 750 according to 947 Rated thermal current (th) 60º () 10 Tripping currents -15 Ue-e (V-) 223-3, 380-2, Ue-e (V-) 60-05, , Short-circuit protection () 6 (maxglass gl fuse - w/h welding) Number and type of contacts MTV10T Rated insulation voltage (Ui) (V) 750 according to 947 Rated thermal current (th) 60º () 10 Tripping currents -15 Ue-e (V-) 223-1, Ue-e (V-) 60-01, Short-circuit protection () 6 (maxglass gl fuse - w/h welding) Number and type of contacts

8 Series MTO imensional drawings Numbering of the terminals Thermal overload relay MT0 Tripping curves 0091 kg Thermal overload relay + aux contact block (front mounting) Technical data ndependent mounting of the thermal overload relay

9 Technical data eneral RT1 RT2 RT3 RT4/ 4L RT5/ 5L RT6/ 6L lass 10 / / / / / / 30 Setting range () Suitable for L00L45 L05L10 K75K08 L,K K10K12 K13 Main circuit Rated insulation voltage (V) (947-4) Ui requency limits (z) Terminal capacity lamp terminal - solid (mm 2 ) lamp terminal - flexible (mm 2 ) lat terminal (mm) x x 10 Passing by hole (wire) through T core (mm 2 ) Passing by hole (bar) through T core (mm) x x 10 - Tightening torque (Nm) ontrol circuit Rated insulation voltage (V) 690 ( ) Ui Rated thermal current th () 10 Operation current Ue-e (V - ) 110/120-3 ; 220/240-2 ; 380/415-1 ; 480/500-0,8 ; 660/690-0, Ue-e (V - ) 24-2 ; ; ; ; Utilisation according UL and S Q600 Protective fuse type gl () 10 Terminal capacity (mm 2 ) 25 Tightening capacity (Nm) 08 onformity to standards /N /N UN 115 pprovals N S 222/14 culus RN LLoyd s Register ureau Veritas mbient conditions Storage temperature -40º to +70º Operation temperature (compensated) -25º to +60º ltitude up to 3000m w/o any changes in characteristics Relative humidity 98% Protection treatment Tropical finish Mounting positions N V 0660 UL 508 Remote electrical reset Power consumption (V) 100 (W) 100 oils not suitable for continuous operating duty t 1 = 1 sec t 2 = 30 sec t 1 = 5 sec t 2 = 90 sec t 1 = 10 sec t 2 = 180 sec (t 1 = ON time t 2 = O time)

10 Tripping curves RT1 lass 10 RT2 lass 10 Technical data RT12 lass 20 RT22 lass 20

11 Tripping curves RT3 lass 10 RT4 lass 10 RT32 lass 20 RT4L lass 30 Single-phase

12 Tripping curves RT5 lass 10 RT6 lass 10 Technical data RT5L lass 30 RT6L lass 30

13 imensional drawings Thermal overload relay for contactors RT1 - RT kg RT1 + RT P RT12 + RTP RT2 - RT kg RT2 + RT P RT22 + RTP RT3 - RT kg

14 Thermal overload relay for contactors RT4LRT4LM 2400 kg RT4/4LNRT4/4LR 2400 kg imensions RT5 / 5L 0875 kg Remote electrical reset RTRR + Z RT RT RT RT RT

Standard voltages. Alternating current (V) /60Hz Alternating current (V)

Standard voltages. Alternating current (V) /60Hz Alternating current (V) Series K Three and four pole contactors 150 to 825 (3) 200 to 1250 (1) ontactors ontrol circuit: lternating current up to 690V irect current up to 500V egree of protection P00 (Pxx with accessories) K07K13: