Catalog LV1 T 2009 Chapter 3 EN

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3 3RT, 3RH, 3TB, 3TC, 3TH, 3TK Contactors for Special Applications Contactors with Extended Operating Range 0.7 ... 1.25 x , for Railway Applications 3RH11 contactor relays ■ Overview ■ Function DC operation Control and auxiliary circuits IEC 60947-4-1, EN 60947-4-1 (VDE 0660, Part 102), for require- The magnetic coils of the contactor relays have an extended opments according to IEC 60077-1 and IEC 60077-2. erating range from 0.7 to 1.25 x Us and are fitted as standard with varistors to provide protection against overvoltage. The The contactor relays are finger-safe according to EN 50274. The opening delay is consequently 2 to 5 ms longer than for stan- size S00 contactor relays have Cage Clamp connections for all dard contactors. terminals. 3RH11 . .-0LA0 Ambient temperature The DC solenoid systems of the contactor relays are modified (to The permissible ambient temperature for operation of the con- holding excitation) by means of a series resistor. tactor relays (across the full magnetic coil operating range) is -40 °C to +70 °C. The size S00 contactor relays are supplied prewired with a plugon module containing the series resistor. The varistor is inte- Uninterrupted duty at temperatures > +60 °C reduces the megrated. A 4-pole auxiliary switch block (according to EN 50005) chanical endurance, the current-carrying capacity of the con- can be fitted additionally. ducting paths and the switching frequency. Mounting At ambient temperatures up to 70 °C, the size S00 contactor relays are allowed to be mounted side by side. 3RH11 22-2K.40 These contactor relays have an extended operating range from 0.7 to 1.25 x Us; the coils are fitted with varistors as standard. An additional series resistor is not required. Please note: Size S00: it is not possible to mount an auxiliary switch block. At ambient temperatures > 60 °C ≤ 70 °C, a clearance of 10 mm is required when they are mounted side by side. ■ Technical specifications Contactors Type 3RH11 . Magnetic coil operating range AC/DC 0.7 ... 1.25 x Us Power consumption of the magnetic coils For cold coil and 1.0 x Us Contactors with series resistor - Closing W 11 -Closed W 4 Contactors without series resistor - Closing W 2.3 -Closed W 2.3 Upright mounting position 3RH11 22-2K.40: please ask 3RH11 22-2K.40-0LA0 standard version All specifications and technical specifications not mentioned here are identical to those of the standard contactors. 3/120 Siemens LV 1 T · 2009 © Siemens AG 2009 U s
3RT, 3RH, 3TB, 3TC, 3TH, 3TK Contactors for Special Applications Contactors with Extended Operating Range 0.7 ... 1.25 x , for Railway Applications 3TH4 contactor relays ■ Overview ■ Function 3TH4 contactor relays Control and auxiliary circuits EN 60947-4-1. The magnetic coils of the contactors have an extended coil op- For requirements according to IEC 60077-1 and IEC 60077-2. erating range from 0.7 to 1.25 x Us and are fitted as standard with varistors to provide protection against overvoltage. The The contactors are finger-safe according to EN 50274. Terminal opening delay is consequently 2 ms to 5 ms longer than for stan- covers may have to be fitted onto the connecting bars, dependdard contactors. ing on the configuration with other devices. All specifications and technical specifications not mentioned here are identical to those of the standard 3TH4 contactor relays. ■ Technical specifications © Siemens AG 2009 Ambient temperature Contactors Type 3TH42 Magnetic coil operating range 0.7 ... 1.25 x Us Power consumption of the magnetic coils (for cold coil) (For cold coil: Closing = Closed) 0.7 x Us 1.0 x Us 1.25 x Us W W W 2.6 5.2 8.2 Permissible ambient temperature During operation °C -50 ... +70 1) Side-by-side mounting with 10 mm distance. 1) During storage °C -55 ... +80 Permissible residual current of the electronics (with 0 signal) DC operation Operating times (Total break time = OFF-delay + Arcing time) Closing ≤ 10 mA x (24 V/Us) - 0.7 x Us ON-delay (NO) OFF-delay (NC) ms ms 70 ... 200 28 ... 33 -1 x Us ON-delay (NO) OFF-delay (NC) ms ms 45 ... 80 30 ... 34 -1.25 x Us Opening ON-delay (NO) OFF-delay (NC) ms ms 40 ... 60 31 ... 35 - 0.7 ... 1.25 x Us OFF-delay (NO) ON-delay (NC) ms ms 20 ... 30 22 ... 32 Arcing time ms 10 U s The permissible ambient temperature for operation of the contactors (across the full operating range of the magnetic coil) is -50 to +70 °C. Uninterrupted duty at temperatures < -25 °C and > +55 °C reduces the mechanical endurance, the current-carrying capacity of the conducting paths and the switching frequency. Mounting At ambient temperatures > 55 °C, a distance of 10 mm must be observed if contactor relays and size 1 and 2 contactors are mounted side by side. There is no need to reduce the technical specifications. Siemens LV 1 T · 2009 3/121 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
Page 69 and 70: 1) Max. permissible rated operation
Page 71 and 72: ■ Overview 3TB5 contactors with D
Page 73 and 74: 3RT, 3TB, 3TF Contactors for Switch
Page 77 and 78: ■ Technical specifications Contac
Page 79 and 80: 1) Applies to 50/60 Hz coil: At 50
Page 81 and 82: © Siemens AG 2009 3RT, 3TB, 3TF Co
Page 85 and 86: ■ Function The operating times of
Page 87 and 88: Components for customer assembly As
Page 89 and 90: Starter Sizes S..-S..-S.. Type 3RA.
Page 91 and 92: 3TD, 3TE Contactor Assemblies 3TE6
Page 93 and 94: 3RT, 3RH, 3TB, 3TC, 3TH, 3TK Contac
Page 119: 3RT, 3RH, 3TB, 3TC, 3TH, 3TK Contac
Page 131 and 132: ■ Function Contact reliability Hi
Page 133 and 134: For corresponding 8WA2 803/8WA2 804
Page 135 and 136: Contactors Type 3RH1. Size S00 Load
Page 137 and 138: ■ Overview AC and DC operation IE
Page 139 and 140: Contactors Control Magnetic coil op
Page 141 and 142: ■ Overview AC and DC operation IE
Page 143 and 144: Contactor relays Short-circuit prot
Page 145 and 146: 3RH, 3TH Contactor Relays 3RH11 cou
Page 147 and 148: All technical specifications not me
Page 149 and 150: 1) Capacitive loads can result in m
Page 151 and 152: 1) Capacitive loads can result in m
Page 153 and 154: ■ Design Installation instruction
Page 155 and 156: Type General data 3TX7 004/3TX7 005
Page 157 and 158: ■ Overview The new 3RS18 coupling
Page 159 and 160: ■ Overview The LZX complete units
Page 161 and 162: ■ Technical specifications Relay
Page 163 and 164: ■ More information Notes on confi
Page 165 and 166: ■ Technical specifications 1) If
Page 167 and 168: ■ Overview Snap-on auxiliary swit
Page 169 and 170: 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
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Accessories for 3RT1 contactors 3RT
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Accessories for 3RT1 contactors 3RT
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Accessories for 3RT1 contactors 3RH
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Accessories for 3RA1 contactor asse
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3RA13 reversing contactor assemblie
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3RA14 contactor assemblies for wye-
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3TF68 and 3TF69 vacuum contactors,
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3TB5 contactors 3TB50 and 3TB52 con
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Accessories for 3TK1 contactors 3TK
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3TC7 contactors 3TC74 contactors Si
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3TF2 contactors for switching motor
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3TH2 contactor relays, width 45 mm,
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Coupling relays with narrow design
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LZS:RT relay couplers Complete unit
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■ Schematics 1) Not for 3RT12 vac
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1) Not for 3RT12 vacuum contactors.
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Controls — Contactors and Contact
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Position of the terminals for 3RT1
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Position of the terminals for 3RH1
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Circuit diagrams for 3RA13 reversin
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Internal circuit diagrams for 3TG10
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Internal circuit diagrams for 3TF2
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Semiconductor couplers - connection
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Plug-in bases with logical isolatio
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Catalog LV1 T 2009 Chapter 3 EN

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