Catalog LV1 T 2009 Chapter 3 EN

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3 Controls — Contactors and Contactor Assemblies Project planning aids Position of the terminals for 3TB50 to 3TB56 contactors, 3-pole Size 6 to 12 3TB50 to 3TB56 contactors 2 NO + 2 NC ! " Position of the terminals for 3TK1 contactors for switching resistive loads (AC-1) 3TK10 to 3TK17 contactors 2 NO + 2 NC " " ! ! " ! " ! Position of the terminals for 3TC contactors for switching DC voltage AC and DC operation Size 2 3TC44 contactors 3/244 ) ) ! # ! 6 " 6 $ 6 ! ) ) ! # ! 6 " 6 $ 6 ! " ! ! ! " " 5 * % & = % " & 6 " 5 * % ' = Siemens LV 1 T · 2009 ! " ! " " ! " ! Sizes 4, 8 and 12 3TC48 to 3TC56 contactors DC operation AC operation DC operation AC operation 3TC74 contactors 3TC74 contactors 3TC78 contactors 3TC78 contactors © Siemens AG 2009
Internal circuit diagrams for 3TF2 and 3TK2 contactors Terminal designations according to EN 50012 3TF20 ..-0 and 3TF28 ..-0 contactors with AC and DC operation 1 NO 1 NC Ident. No.: 10E 01E ) ) ` 3TF20 10 contactors with 3TX4 4 ..-1 auxiliary switch block, 3TF22 and 3TF29 contactors with AC and DC operation 1 NO + 1 NC Ident. No. 11E ) ) ` 2 NO + 3 NC Ident. No.: 23E ) ) ` Terminal designations according to EN 50005 3TX4 4 ..-2 auxiliary switch block 4 NO Ident. No.: 40 2 NO Ident. No.: 20 ! # ! ! 6 " 6 $ 6 ! ! # ! ! 6 " 6 $ 6 ! ! # ! ! 6 " 6 " " 5 * " & = 5 * " & # > Controls — Contactors and Contactor Assemblies ) ) ` 3 NO + 1 NC 31 1 NO + 1 NC 11 3TF20 ..-3, 3TF20 ...-6 and 3TF20 ..-7 contactors with AC and DC operation 1 NO 1 NC Ident. No.: 10E 01E 2 NO + 2 NC 22E 3 NO + 2 NC 32E 2 NO + 2 NC 22 2 NC 02 3TK20 contactors 4 NO 3 NO + 1 NC 2 NO + 2 NC A1(+) 1 3 5 7 ) ! # 4 A1(+) 1 3 R1 R3 A2( ) 2 4 6 8 " 6 ! " 6 # ! $ 6 ! 5 * " & ! = ! # ! ! Project planning aids 2 NO + 2 NC 22U with make-before-break 1 NO + 1 NC 11U with make-before-break Surge suppressors Diode Diode assembly Varistor RC element Diode with LED Varistor with LED NSB0_01591a $ 6 ! ! " # ! & & = ! 5 * " " # " # ! # " # ! # " ) $ $ 5 * # = % ! & ! % " & " $ & = $ 5 * # " $ 4 5 * # ' © Siemens AG 2009 # # ) ) ` # ! # " $ ) ) ` ) ) ` $ % 6 " 6 $ 6 ! " 5 * $ $ = ! # ! ! 6 " 6 $ 6 ! ! # ! ! & ! 6 ! = $ 5 * # % & " ' = $ 5 * # " 6 A2( ) 2 4 R2 R4 NSB0_01593a $ 6 ! " " ! ! ! " ! " " " ! 5 * " & $ = # ! ) ) ` & ' = ! 5 * " " " # " Siemens LV 1 T · 2009 6 ! " 6 # ! $ 6 ! 5 * $ $ = 3/245 3
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© Siemens AG 2009 Controls - Conta
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S3 3RT1. 4 Controls — Contactors
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■ Overview 3RT1 contactors and co
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3RT1 contactors Sizes S6 to S12 wit
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3RA1 contactor assemblies, 3RT1 con
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■ Overview 3RT10 contactors, 3-po
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3RT1. . .-.P version: For 24 V DC P
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■ Integration Auxiliary switch bl
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■ Technical specifications SIRIUS
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Endurance of the main contacts Size
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1) The OFF-delay of the NO contact
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For tools for opening Cage Clamp te
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1) The OFF-delay of the NO contact
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3RT, 3TB, 3TF Contactors for Switch
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1) Test conditions according to IEC
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1) For endurance of the main contac
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1) Depending on the electronic ball
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© Siemens AG 2009 3RT, 3TB, 3TF Co
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1) For endurance of the main contac
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1) Industrial furnaces and electric
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1) For more information about short
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■ Overview 3RT12 vacuum contactor
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1) Test conditions according to IEC
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1) When connecting cable lugs accor
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1) Industrial furnaces and electric
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1) When connecting cable lugs to DI
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■ Technical specifications 3RT, 3
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1) To easily replace the laterally
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1) Max. permissible rated operation
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■ Overview 3TB5 contactors with D
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■ Technical specifications Contac
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1) Applies to 50/60 Hz coil: At 50
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■ Function The operating times of
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Components for customer assembly As
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Starter Sizes S..-S..-S.. Type 3RA.
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3TD, 3TE Contactor Assemblies 3TE6
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3RT, 3RH, 3TB, 3TC, 3TH, 3TK Contac
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■ Function Contact reliability Hi
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For corresponding 8WA2 803/8WA2 804
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Contactors Type 3RH1. Size S00 Load
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■ Overview AC and DC operation IE
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Contactors Control Magnetic coil op
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■ Overview AC and DC operation IE
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Contactor relays Short-circuit prot
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3RH, 3TH Contactor Relays 3RH11 cou
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All technical specifications not me
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1) Capacitive loads can result in m
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1) Capacitive loads can result in m
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■ Design Installation instruction
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Type General data 3TX7 004/3TX7 005
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■ Overview The new 3RS18 coupling
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■ Overview The LZX complete units
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■ Technical specifications Relay
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■ More information Notes on confi
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■ Technical specifications 1) If
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■ Overview Snap-on auxiliary swit
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Additional load module Size S00 for
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✓ Function is possible. Accessori
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Contactors Type 3RT19 26-2P. Pneuma
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© Siemens AG 2009 DC-12 - At 24 V
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■ Technical specifications For 3T
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■ Dimensional drawings 3RT10 cont
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3RT10 and 3RT14 contactors, 3-pole
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3RT10 and 3RT14 contactors, 3-pole
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3RT12 vacuum contactors, 3-pole 3RT
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3RT16 capacitor contactors 3RT16 17
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Contactors with extended operating
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3RH11 and 3RH14 contactor relays 3R
Page 193 and 194: Accessories for 3RT1 contactors 3RT
Page 195 and 196: Accessories for 3RT1 contactors 3RT
Page 197 and 198: Accessories for 3RT1 contactors 3RH
Page 199 and 200: Accessories for 3RA1 contactor asse
Page 201 and 202: 3RA13 reversing contactor assemblie
Page 203 and 204: 3RA14 contactor assemblies for wye-
Page 205 and 206: 3TF68 and 3TF69 vacuum contactors,
Page 207 and 208: 3TB5 contactors 3TB50 and 3TB52 con
Page 209 and 210: Accessories for 3TK1 contactors 3TK
Page 211 and 212: 3TC7 contactors 3TC74 contactors Si
Page 213 and 214: 3TF2 contactors for switching motor
Page 215 and 216: 3TH2 contactor relays, width 45 mm,
Page 217 and 218: Coupling relays with narrow design
Page 219 and 220: LZS:RT relay couplers Complete unit
Page 221 and 222: ■ Schematics 1) Not for 3RT12 vac
Page 223 and 224: 1) Not for 3RT12 vacuum contactors.
Page 225 and 226: Controls — Contactors and Contact
Page 231 and 232: Position of the terminals for 3RT1
Page 235 and 236: Position of the terminals for 3RH1
Page 237 and 238: Circuit diagrams for 3RA13 reversin
Page 239 and 240: Internal circuit diagrams for 3TG10
Page 243: Controls — Contactors and Contact
Page 249 and 250: Semiconductor couplers - connection
Page 251 and 252: Plug-in bases with logical isolatio
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Catalog LV1 T 2009 Chapter 3 EN

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