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 3TF28 3TF29 3/82 Siemens LV 1 T · 2009 3TF20 . .-0. . ., 3TF22 . .-0. . . Size S00 S00 S00 Main circuit Load rating with DC Utilization category DC-1 Switching resistive loads (contact endurance 0.1 x 10 6 operating cycles; L/R ≤ 1ms) Rated operational current I e (at 55 °C) - 1 conducting path Up to 24 V A 10 16 16 60 V A 4 6 6 110 V A 1.5 2 2 220/240 V A 0.6 1 1 - 2 conducting paths in series Up to 24 V A 10 16 16 60 V A 10 16 16 110 V A 4 6 6 220/240 V A 1.5 2 2 - 3 conducting paths in series Up to 24 V A 10 16 16 60 V A 10 16 16 110 V A 10 16 16 Utilization category DC-3 and DC-5 Shunt-wound and series-wound motors (L/R ≤ 15 ms) 220/240 V A 4 6 6 Rated operational current I e (at 55 °C) © Siemens AG 2009 - 1 conducting path Up to 24 V A 4 6 6 60 V A 1.8 3 3 110 V A 0.3 0.5 0.5 220/240 V A -- 0.1 0.1 - 2 conducting paths in series Up to 24 V A 6 10 10 60 V A 3 5 5 110 V A 1.5 2 2 220/240 V A 0.3 0.5 0.5 - 3 conducting paths in series Up to 24 V A 10 16 16 60 V A 10 16 16 110 V A 10 16 16 220/240 V A 1.5 2 2 Thermal load capacity 10 s current A 70 Power loss per conducting path Switching frequency Switching frequency z in operating cycles/hour At Ie /AC-3 W 0.3 Contactors without overload relays No-load switching frequency h -1 10000 Dependence of the switching frequency z' on the operational current I' and operational voltage U' : z' = z ⋅(Ie /I' ) ⋅(400 V/U' ) 1.5 ⋅1/h AC-1 h-1 AC-2 h 1000 -1 AC-3 h 500 -1 1000 Contactors with overload relays (mean value) h -1 Conductor cross-sections 15 Main and auxiliary conductors Screw terminals Solid mm 2 2 x (0.5 ... 2.5), 1 x 4 2x(20...14) AWG, 1x12 AWG Finely stranded with end sleeve mm2 2 x (0.5 ... 1.5), 1 x 2.5 Pin-end connector (DIN 46231) mm 2 1 x 1 ... 2.5 Terminal screw M3 Prescribed tightening torque for terminal screws Nm 0.8 ... 1.3 (7 ... 11lb.in) Flat connectors When using a plug-in sleeve 6.3 ... 1 mm2 Finely stranded 6.3 ... 2.5 mm 0.5 ... 1 2 1...2.5 Solder pin connections (only for printed circuit boards) 3TF20 . .-3. . ., 3TF20 . .-6. . ., 3TF20 . .-7. . .
3RT, 3TB, 3TF Contactors for Switching Motors 3TF2 contactors, 3-pole, 2.2 ... 4 kW Contactors Type 3TF20 . .-0. . . 3TF20 . .-3. . ., 3TF20 . .-6. . ., 3TF20 . .-7. . . Size S00 S00 s and u rated data of the 3TF20 contactors Rated insulation voltage U i VAC 600 300 Uninterrupted current Open and enclosed A 16 16 (10 for solder pin connection) Maximum horsepower ratings (s and u approved values) Rated power for induction motors at 60 Hz - 1-phase At 115 V hp 0.5 -- 200 V hp 1 1 230 V hp 1.5 1 460/575 V hp -- -- - 3-phase At 115 V hp -- -- 200 V hp 3 3 (1 for 3TF20 ..-6) 230 V hp 3 3 (1 for 3TF20 ..-6) 460/575 V hp 5 -- Overload relay Type/Setting range 3UA7/EB 8 ... 10 A Contactors Type Size 3TF2 Rated data of the auxiliary contacts acc. to IEC 60947-5-1 (VDE 0660 Part 200) Rated insulation voltage Ui (degree of pollution 3) V 690 Continuous thermal current I th = A 10 Rated operational current I e/AC-12 AC load Rated operational current I e /AC-15/AC-14 © Siemens AG 2009 For rated operational voltage Ue 24 V 110 V A A 4 4 125 V A 4 220 V A 4 230 V A 4 380 V A 3 400 V A 3 500 V A 2 660 V A 1 DC load Rated operational current Ie /DC-12 690 V A 1 For rated operational voltage Ue 24 V 48 V A A 4 2.2 110 V A 1.1 125 V A 1.1 220 V A 0.5 440 V A -- Rated operational current Ie /DC-13 600 V A -- For rated operational voltage Ue 24 V 48 V A A 2.1 1.1 110 V A 0.52 125 V A 0.52 220 V A 0.27 440 V A -- s, u and U rated data of the auxiliary contacts 600 V A -- Rated voltage, max. VAC 600 Auxiliary switch blocks, max. V AC 300 Switching capacity A 600, Q 300 Uninterrupted current at 240 V AC A 10 Siemens LV 1 T · 2009 3/83 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
Page 31 and 32: 3RT, 3TB, 3TF Contactors for Switch
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 and 78: ■ Technical specifications Contac
Page 79 and 80: 1) Applies to 50/60 Hz coil: At 50
Page 81: © 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 131 and 132: ■ 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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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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