Catalog LV1 T 2009 Chapter 3 EN

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3 3RT, 3TB, 3TF Contactors for Switching Motors 3TF2 contactors, 3-pole, 2.2 ... 4 kW Contactors Type 3TF20/3TF28 3TF22/3TF29 General data Permissible mounting position AC and DC operation Any Mechanical endurance AC operation Operat- 10 million DC operation ing 30 million Auxiliary switch block cycles 10 million Rated insulation voltage Ui (degree of pollution 3) Screw terminals V 690 690 1) Flat connector 6.3 mm x 0.8 mm V 500 -- Solder pin connections V 500 -- Rated impulse withstand voltage Uimp (degree of pollution 3) Screw terminals kV 8 82) Flat connector 6.3 mm x 0.8 mm kV 6 -- Solder pin connections kV 6 -- Protective separation between coil and main contacts (acc. to EN 61140) V Up to 300 Mirror contacts A mirror contact is an auxiliary NC contact that cannot be closed simultaneously with a NO main contact. 1) Auxiliary contacts 500 V. 2) Auxiliary contacts 6 kV. 3) Applies to 50/60 Hz coil: At 50 Hz, 1.1 x Us , , side-by-side mounting and 100 % ON period the max. ambient temperature is +40 °C. 4) See "Conductor Cross-Sections". 5) According to excerpt from IEC 60947-4-1 (VDE 0660 Part 102) Type of coordination "1": Destruction of the contactor and the overload relay is permissible. The contactor and/or overload relay can be replaced if necessary. Type of coordination "2": The overload relay must not suffer any damage. Contact welding on the contactor is permissible, however, if the contacts can be easily separated. 6) A short-circuit current of Iq ≤ 6 kA applies to type of coordination "2". 3/78 Siemens LV 1 T · 2009 Yes, this applies to both the basic unit as well as to between the basic unit and the mounted auxiliary switch block acc. to EN 60947-4-1, Appendix F Yes, acc. to EN 60947-4-1 Appendix F SUVA Permissible ambient temperature3) During operation °C -25 ... +55 During storage °C -55 ... +80 Degree of protection acc. to EN 60947-1 Appendix C IP00 open IP20 for screw terminals IP40 coil assembly Touch protection acc. to EN 50274 Shock resistance Without 3TX44 auxiliary switch block Finger-safe for screw terminals - Rectangular pulse - AC operation g/ms 8.3/5 and 5.2/10 -- - DC operation g/ms 11.3/5 and 9.2/10 -- - Sine pulse - AC operation g/ms 13/5 and 8/10 -- With 3TX44 auxiliary switch block - DC operation g/ms 17.4/5 and 12.9/10 -- - Rectangular pulse - AC operation g/ms 5/5 and 3.6/10 5/5 and 3.6/10 - DC operation g/ms 9/5 and 6.9/10 9/5 and 7.3/10 - Sine pulse - AC operation g/ms 7.8/5 and 5.6/10 7.8/5 and 5.6/10 - DC operation g/ms 13.9/5 and 10.1/10 14/5 and 11/10 Conductor cross-sections 4) Short-circuit protection for contactors without overload relays Main circuit 5) Fuse links gL/gG LV HRC 3NA, DIAZED 5SB, NEOZED 5SE acc. to IEC 60947-4-1 (VDE 0660, Part 102) © Siemens AG 2009 - Type of coordination "1" A 25 - Type of coordination "2" 6) A 10 -Weld-free A 10 Miniature circuit breaker with C characteristic Auxiliary circuit Short-circuit current Ik ≥ 1kA A 10 Fuse links gL/gG DIAZED 5SB, NEOZED 5SE A 6
1) Applies to 50/60 Hz coil: At 50 Hz, 1.1 x U s , side-by-side mounting and 100 % ON period the max. ambient temperature is +40 °C. 2) The 3TX4 490-1J additional load module is recommended for higher residual currents (see "Accessories and Spare Parts"). 3) The OFF-delay of the NO contact and the ON-delay of the NC contact are increased if the contactor coils are attenuated against voltage peaks (noise suppression diode 6 to 10 times; diode assemblies 2 to 6 times, varistor +2 to 5 ms). © Siemens AG 2009 3RT, 3TB, 3TF Contactors for Switching Motors 3TF2 contactors, 3-pole, 2.2 ... 4 kW Contactors Control Type 3TF2 Magnetic coil operating range 1) 0.8...1.1xUs Power consumption of the magnetic coils (when coil is cold and 1.0 x Us) Standard version: AC operation, 50 Hz Closing VA 15 P.f. 0.41 Closed VA 6.8 P.f. 0.42 AC operation, 60 Hz Closing VA 14.4 P.f. 0.36 Closed VA 6.1 P.f. 0.46 AC operation, 50/60 Hz 1) Closing VA 16.5/13.2 P.f. 0.43/0.38 Closed VA 8.0/5.4 For USA and Canada: P.f. 0.48/0.42 AC operation, 50 Hz Closing VA 14.6 P.f. 0.38 Closed VA 6.5 P.f. 0.40 AC operation, 60 Hz Closing VA 14.4 P.f. 0.30 Closed VA 6.0 P.f. 0.44 DC operation Closing = Closed W 3 Permissible residual current of the electronic circuit 2) (for 0 signal) AC operation DC operation 3) Operating times at 0.8 ... 1.1 x Us Total break time = Opening delay + Arcing time Values apply with coil in cold state and at operating temperature for operating range mA mA ≤ 3x(230V/Us ) ≤ 1x(230V/Us) AC operation Closing delay ms 5...19 Opening delay ms 2...22 -Dead interval To use the 3TF2 AC-operated contactor in reversing an additional dead interval of 50 ms is required along with an NC contact interlock. DC operation Closing delay ms 16 ... 65 Opening delay ms 2...5 Arcing time Operating times at 1.0 x U 3) s ms 10 ... 15 AC operation Closing delay ms 5...18 Opening delay ms 3...21 -Dead interval To use the 3TF2 AC-operated contactor in reversing an additional dead interval of 50 ms is required along with an NC contact interlock. DC operation Closing delay ms 19 ... 31 Opening delay ms 3...4 Arcing time ms 10 ... 15 Siemens LV 1 T · 2009 3/79 3
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© Siemens AG 2009 Controls - Conta
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S3 3RT1. 4 Controls — Contactors
Page 5 and 6:
■ 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
Page 27 and 28: 3RT, 3TB, 3TF Contactors for Switch
Page 29 and 30: 1) Test conditions according to IEC
Page 33 and 34: 1) For endurance of the main contac
Page 35 and 36: 1) Depending on the electronic ball
Page 37 and 38: For tools for opening Cage Clamp te
Page 39 and 40: © Siemens AG 2009 3RT, 3TB, 3TF Co
Page 43 and 44: 1) For endurance of the main contac
Page 45 and 46: 1) Industrial furnaces and electric
Page 47 and 48: For tools for opening Cage Clamp te
Page 53 and 54: 1) For more information about short
Page 55 and 56: ■ Overview 3RT12 vacuum contactor
Page 57 and 58: 1) Test conditions according to IEC
Page 59 and 60: 1) When connecting cable lugs accor
Page 61 and 62: 1) Industrial furnaces and electric
Page 63 and 64: 1) When connecting cable lugs to DI
Page 65 and 66: ■ Technical specifications 3RT, 3
Page 67 and 68: 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 77: ■ Technical specifications Contac
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
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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
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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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Page 231 and 232:
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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Page 249 and 250:
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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