Catalog LV1 T 2009 Chapter 3 EN

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3 3RT, 3TB, 3TF Contactors for Switching Motors 3TB5 contactors with DC solenoid system, 3-pole, 55 ... 200 kW Contactors Type 3TB50 3TB52 3TB54 3TB56 Main circuit AC capacity Size 6 8 10 12 Switching low-inductance (low-loss, metallized dielectric) AC capacitors 1) Rated operational current Ie at 400 V A 87 144 217 289 Rated power for single capacitors at 50 Hz Rated power for banks of capacitors (minimum inductance is 6 µH between capacitors connected in parallel) at 50 Hz Load rating with DC Utilization category DC-1 Switching resistive loads (L/R ≤ 1 ms) Rated operational current I e (at 55 °C) 1) Contact endurance 0.1 million operating cycles. 3/74 Siemens LV 1 T · 2009 230 V kvar 35 58 87 115 400 V kvar 60 100 150 200 500 V kvar 80 130 190 265 690 V kvar 60 100 150 200 230 V kvar 30 40 66 85 400 V kvar 50 70 115 150 500 V kvar 66 90 145 195 690 V kvar 50 70 115 150 - 1 conducting path 24 V A 160 200 300 400 60 V A 80 80 300 330 110 V A 18 18 33 33 220 V A 3.4 3.4 3.8 3.8 440 V A 0.8 0.8 0.9 0.9 600 V A 0.5 0.5 0.6 0.6 - 2 conducting paths in series 24 V A 160 200 300 400 60 V A 160 200 300 400 110 V A 160 200 300 400 220 V A 20 20 300 400 440 V A 3.2 3.2 4 4 600 V A 1.6 1.6 2 2 - 3 conducting paths in series 24 V A 160 200 300 400 60 V A 160 200 300 400 110 V A 160 200 300 400 220 V A 160 200 300 400 440 V A 11.5 11.5 11 11 Utilization category DC-3/DC-5 Shunt-wound and series-wound motors (L/R ≤ 15 ms) 600 V A 4 4 5.2 5.2 Rated operational current I e (at 55 °C) © Siemens AG 2009 - 1 conducting path 24 V A 16 16 35 35 60 V A 7.5 7.5 11 11 110 V A 2.5 2.5 3 3 220 V A 0.6 0.6 0.6 0.6 440 V A 0.17 0.17 0.18 0.18 600 V A 0.12 0.12 0.125 0.125 - 2 conducting paths in series 24 V A 160 200 300 400 60 V A 160 200 300 400 110 V A 160 200 300 400 220 V A 2.5 2.5 2.5 2.5 440 V A 0.65 0.65 0.65 0.65 600 V A 0.37 0.37 0.37 0.37 - 3 conducting paths in series 24 V A 160 200 300 400 60 V A 160 200 300 400 110 V A 160 200 300 400 220 V A 160 200 300 400 440 V A 1.4 1.4 1.4 1.4 Switching frequency Switching frequency z in operating cycles/hour 600 V A 0.75 0.75 0.75 0.75 Contactors without overload relays AC-1 h -1 1000 AC-2 h -1 AC-3 h-1 AC-4 h 500 -1 250 Contactors with overload relays (mean value) h -1 15 500
3RT, 3TB, 3TF Contactors for Switching Motors 3TB5 contactors with DC solenoid system, 3-pole, 55 ... 200 kW Contactors Type 3TB50 3TB52 3TB54 3TB56 Conductor cross-sections Size 6 8 10 12 Main conductors: Screw terminals Finely stranded with cable lug mm 2 Stranded with cable lug mm 16 ... 70 35 ... 95 50 ... 240 50 ... 240 2 25 ... 70 50 ... 120 70 ... 240 70 ... 240 Busbars mm 15 x 3 20 x 3 25 x 5 2 x (25 x 3) Terminal screw Auxiliary conductors: M6 M8 M10 M10 Solid mm2 Finely stranded with end sleeve mm 1 ... 2.5 2 Pin-end connector (DIN 46231) mm 0.75 ... 1.5 2 2 x 1 ... 2.5 Protective conductors: Stranded with cable lug mm2 -- 25 ... 70 35 ... 70 50 ... 120 s and u ratings s rating Uninterrupted current - Open A 150 170 240 300 -Enclosed A 135 153 215 270 Rated power for induction motors at 60 Hz (enclosed) © Siemens AG 2009 115 V hp 25 30 40 50 230 V hp 50 60 75 100 460 V hp 100 120 150 200 575 V hp 125 160 200 250 Overload relay - Type 3RB20 56 3RB20 56 3RB20 66 3RB20 66 - Setting range A 50 ... 200 50 ... 200 50 ... 250 200 ... 540 NEMA/EEMAC size - Contactors 4 4 4 5 u rating - Starters (= contactors + overload relay, enclosed) 3 4 4 5 Uninterrupted current - Open A 150 150 240 390 -Enclosed A 135 135 215 350 Rated power for induction motors at 115 V hp 25 25 30 -- 60 Hz 230 V hp 50 50 75 125 460 V 575 V hp hp 100 125 100 125 150 200 250 300 1) At 575/600 V AC max. rated motor current 325 A and motor starting current 3250 A. 1) Overload relay - Type 3RB20 56 3RB20 56 3RB20 66 3RB20 66 - Setting range A 50 ... 200 50 ... 200 50 ... 250 200 ... 540 NEMA/EEMAC size - Contactors 4 4 4 5 Short-circuit protection devices - Starters (= contactors + overload relay, enclosed) 3 4 4 5 CLASS RK5 fuses A 400 400 450 600 Circuit breakers acc. to UL 489 A 175 175 250 600 Siemens LV 1 T · 2009 3/75 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
Page 15 and 16:
■ Integration Auxiliary switch bl
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■ Technical specifications SIRIUS
Page 19 and 20:
Endurance of the main contacts Size
Page 21 and 22:
1) The OFF-delay of the NO contact
Page 23 and 24: For tools for opening Cage Clamp te
Page 25 and 26: 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 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 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 73: 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 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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Page 129 and 130:
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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Page 229 and 230:
Page 231 and 232:
Position of the terminals for 3RT1
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Page 235 and 236:
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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Page 243 and 244:
Page 245 and 246:
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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