Contactors and Contactor Assemblies

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Gwendolyn Dawson
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1 Terminal designations according to EN RT10 1 contactors Ident. no. 10E 01 Sizes S0 to S12 Terminal designations according to EN RT10 2 to 3RT10 7, 3RT12, 3RT14 contactors 3RT10 1 contactors (with ) With 3RH H... auxiliary switch blocks, mountable on the front Ident. no.: 11E E 3RT10 2 to 3RT10 7, 3RT14 contactors With 3RH HA 4-pole auxiliary contact block, mountable on the front Ident. no. E + 3 NC Ident. no.: 23E 3 NO + 32E 3RT1. 5, 3RT1. 6, 3RT1. 7 contactors (sizes S6, S10, S12) With 3RH DA11 2-pole auxiliary switch blocks, laterally mountable 3RH HA../-.XA..4-pole auxiliary switch blocks, 3 NO + Ident. no NC 13 3RH DA11, 3RH DE11 first laterally mountable auxiliary switch block (solid-state compatible) left right 3RH JA11, 3RH JE11 second laterally mountable auxiliary switch block (solid-state compatible) left right Contactors with 4 main contacts, size S00 3 R T 13 a n d 3 R T 15 c o n t a c t o r s 4 N O 2 N O + 2 N C Contactors with 4 main contacts, sizes S0 to S3 3 R T 13 a n d 3 R T 15 c o n t a c t o r s 4 N O 2 N O + 2 N C (3RH19 11 auxiliary switch blocks acc. to EN can be snapped on) (3RH19 21 auxiliary switch blocks acc. to EN can be snapped on) Surge suppressor (plug-in direction coded; exception: marked +/ for 3RT T... diode assembly) for sizes S00 to S3 Diode Diode assembly Varistor RC element Diode with LED Varistor with LED 2/156

2 Contactors and Contactor Assemblies Accessories for size S00 contactors and contactor relays 3RH F... auxiliary switch blocks and 3RH NF.. solid-state compatible auxiliary switch blocks, for snapping onto the front Ident. no U 4 NO Ident. no NO + 31 U 11/11 U standard 3RH AA.. and 3RH BA.. auxiliary switch blocks, for snapping onto the front, 3RH LA.. and 3RH MA.. auxiliary switch blocks, for snapping onto the front, Internal wiring Example:, cable entry from below Terminal designations according to DIN Part 5 3RT E.../2F.../2G... solid-state, time-delay auxiliary switch blocks OFF-delay WYE-delta function (Integrated varistors not shown) Accessories for size S0 to S12 contactors 3RH F..., 4-pole, 4 NO Ident. no NO NC 04 U 3RH CA.. auxiliary switch blocks, single-pole, 3RH CD.. auxiliary switch blocks, single-pole, with contacts, (terminal designations according to EN or EN ) 2/157

3 Accessories for size S0 to S12 contactors 3RH LA.. and 3RH MA.. auxiliary switch block, 2-pole, Internal wiring Example:, cable entry from below 3RH FE solid-state compatible auxiliary switch block, 4-pole, Ident. no. 3RH EA.. first laterally mountable auxiliary switch blocks (left) 3RH EA.. first laterally mountable auxiliary switch blocks (right) 3RH KA.. second laterally mountable auxiliary switch blocks (left) 3RH KA.. second laterally mountable auxiliary switch blocks (right) Terminal designations according to DIN Part 5 3RT E.../2F.../2G... solid-state, time-delay auxiliary switch blocks OFF-delay WYE-delta function 3RH GP11 interface for control by PLC Interface Contactor 2/158

4 Contactors and Contactor Assemblies and 3RH1 Control Relays Accessories for size S00 to S3 Circuit diagrams OFF-delay devices 3RT BK01, UC 110 V 3RT BL01, UC 230 V OFF-delay device 3RT BE01, DC 24 V Internal circuit diagram Internal circuit diagram 3RT BK01, UC 110 V UC 110 V A1 A3 A4 A5 B1 A2 Z+ Z t v (ms) > S00 DC L+ L Hz L1 N 3RT BF RH1...-.BF4. 60 Hz L1 N 130 S0 DC L+ L 100 3RT BE01, DC 24 V DC 24 V A1 A2 Z+ Z t v (ms) > S00 L+ L 3RT BB RH1...-.BB4. S0 L+ L 3RT BB S2 L+ L 3RT BB4. 90 S3 L+ L 3RT BB Hz L1 N 3RT BF Hz L1 N 100 3RT BL01, UC 230 V UC 230 V A1 A3 A4 A5 B1 A2 Z+ Z t v (ms) > S00 DC L+ L Hz L1 N 3RT BM4. 3RT BP RH1...-.BM4. 60 Hz L1 N 3RH1...-.BP S0 DC L+ L 400 3RT BM4. 50 Hz L1 N 400 3RT BP4. 60 Hz L1 N 400 Operation downstream of the OFF-delay device (contactor opens with a delay only in the event of a voltage failure) Operation upstream of the OFF-delay device (contactor always opens with a delay) Block diagram Typical circuit diagram: Size S0 contactor, DC operation, connected to AC 50 Hz 230 V Block diagram Typical circuit diagram: contactor, DC operation, connected to AC 50 Hz 230 V 2/159

5 and 3RH1 Control Relays Accessories for size S00 to S3 Circuit diagrams Accessories for size S00 to S3 contactors and control relays Solid-state time-delay blocks (see configuring aid on page 2/38) 3RT C... 3RT D... OFF-delay (with auxiliary voltage) 3RT16 capacitor contactors Sizes S0 and S3 3RT C... Sizes S0 to S3 3RT D... OFF-delay (with auxiliary voltage) Sizes S0 to S3 A2 can be connected to N(L ) via either the contactor or the time-delay relay optional connection A2 can only be connected to N(L ) via the time-delay relay. x don t connect Time-delay block Contactor 2/160

Selection guide siemens.com/sirius-modular-system

SIRIUS modular system Selection guide siemens.com/sirius-modular-system Everything for the control cabinet: SIRIUS modular system Efficiently combined Advantages at a glance: Load feeders: easy to implement