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© Siemens AG 2008

Controls – Contactors and Contactor Assemblies

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Introduction 3RT, 3TB, 3TF Contactors for Switching Motors General data 3RT10 contactors, 3-pole, 3 ... 250 kW 3RT12 vacuum contactors, 3-pole, 110 ... 250 kW 3TF6 vacuum contactors, 3-pole, 335 ... 450 kW 3TB5 contactors with DC solenoid system, 3-pole, 55 ... 200 kW 3TF2 contactors, 3-pole, 2.2 ... 4 kW 3RA13, 3RA14Contactor Assemblies 3RA13 Reversing Contactor Assemblies 3RA13 complete units, 3 ... 45 kW Components for customer assembly 3RA14 Contactor Assemblies for Wye-Delta Starting 3RA14 complete units, 3 ...75 kW Components for customer assembly 3TD, 3TE Contactor Assemblies 3TD6 reversing contactor assemblies, 335 kW 3TE6 contactor assemblies for wye-delta starting, 630 kW 3RT, 3RH, 3TB, 3TC, 3TH, 3TKContactors for Special Applications 3RT14 Contactors for Switching Resistive Loads (AC-1) 3-pole, 140 ... 690 A 3RT13 Contactors for Switching Resistive Loads (AC-1) 4-pole, 4 NO, 18 ... 140 A 3TK1 Contactors for Switching Resistive Loads (AC-1) 4-pole, 4 NO, 200 ... 1000 A 3TK20 Contactors 4-pole, 4 kW 3RT15 Contactors 4-pole, 2 NO + 2 NC, 4 ... 18.5 kW 3RT16 Capacitor Contactors 12.5 ... 50 kvarContactors with Extended Operating Range 0.7 ... 1.25 × Us, for Railway Applications 3RH11 contactor relays 3TH4 contactor relays 3RT10 motor contactors, 5.5 ... 45 kW 3TB5 motor contactors, 55 ... 200 kW 3TC contactors for switching DC voltage, 2-pole 3TC Contactors for Switching DC Voltage 1- and 2-pole, 32 ... 400 A 3/69 3/72 3/73 3/75 3/78

3/5 3/11 3/26 3/27 3/29 3/30

3RH, 3TH ContactorRelays 3RH1 contactor relays, 4- and 8-pole 3RH14 latched contactor relays, 4-pole 3TH4 contactor relays, 8- and 10-pole 3TH2 contactor relays, 4- and 8-pole 3RH11 coupling relays for switching auxiliary circuits, 4-pole 3RT Coupling Relays 3RT10 coupling relays (interface), for switching motors, 3-pole, 3 ... 11 kW 3TX7, 3RS18 Coupling Relays

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3/32 3/37

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3TX7Coupling Relays, Narrow Design Relay couplers Relay couplers with plug-in connection Semiconductor couplers 3RS18 Coupling Relays with Industrial Housing Relay couplers LZS, LZX Plug-In Relays Relay couplers 3TG10 Power Relays/Miniature Contactors 4-pole, 4 kW Accessories and Spare Parts For 3RT, 3RH Contactors and Contactor Relays Accessories for 3RT, 3RH contactors and contactor relays Spare parts for3RT, 3RH contactors and contactor relays For 3T Contactors and Contactor Relays Accessories for 3TB, 3TC, 3TF, 3TG, 3TK contactors Accessories for 3TH contactor relays Spare parts for 3TB, 3TC, 3TF, 3TK contactors

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3/97 3/114

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3/119 3/124 3/127

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Note: For safetycharacteristics for contactors see "Appendix" --> "Standards and Approvals" --> "Overview"

Siemens LV 1 · 2008

© Siemens AG 2008

Controls — Contactors and Contactor Assemblies
Introduction

I Overview

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Size Type Type AC, DC operation Type AC-3 Ie/AC-3/400 V 400 V 230 V 500 V 690 V 1 000 V A kW kW kW kW kW kW kW

S00 3RT10 1 3RT10 15 3RT10 16 (p. 3/15, 3/19) --

S0 3RT10 2 3RT10 173RT10 23 3RT10 24 (p. 3/16, 3/20) --

S2 3RT10 3 3RT10 25 3RT10 26 3RT10 34 3RT10 35 (p. 3/17, 3/21) -3RT10 36

3RT10 contactors · 3RT12 and 3TF68/69 vacuum contactors

7 3 2.2 3.5 4 -3 1.15

9 4 3 4.5 5.5 -4 2

12 5.5 3 5.5 5.5 -4 2

9 4 3 4.5 5.5 -4 2

12 5.5 3 7.5 7.5 -5.5 2.6

17 7.5 4 10 11 -7.5 3.5

25 11 5.5 11 11 -7.5 4.4

32 15 7.5 18.5 18.5 -15 8.2

40 18.5 11 22 22-18.5 9.5

50 22 15 30 22 -22 12.6

3RT10/12 3RT10/12

AC-4 (for Ia = 6 x Ie) 400 V 3RT10/12 400 V (200 000 operating cycles) AC-1 (40 °C, ≤ 690 V) Ie 3RT10/12 A 18 22 22 40 40 40 40 50 60 60

3RT14 AC-1 contactors
Type Ie/AC-1/40 °C/≤ 690 V A -------

Accessories for contactors
Auxiliary switch blocks front lateral Terminal covers Box terminal blocks Surge suppressors 3RH19 11...
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