Catalog LV1 T 2009 Chapter 3 EN

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3 3RT, 3TB, 3TF Contactors for Switching Motors 3RT10 contactors, 3-pole, 3 ... 250 kW Contactors with solid-state operating mechanism The magnetic coil is supplied selectively with the power required for reliable switching and holding by upstream control electronics. Wide voltage range for the control supply voltage Us : Compared with the conventional operating mechanism, the solid-state operating mechanism covers an even broader range of control supply voltages used worldwide within one coil variant. For example, the coil for 200 to 277 V UC (Us min to Usmax ) covers the voltages 200-208-220-230-240-254-277 V used worldwide. Extended operating range 0.7 to 1.25 x Us : The wide range for the rated control supply voltage and the additionally allowed coil operating range of 0.8 x Us min to 1.1 x Usmax results in an extended coil operating range of at least 0.7 to 1.25 x Us , within which the contactors will operate reliably, for the most common control supply voltages of 24, 110 and 230 V. Bridging temporary voltage dips: Control voltage failures dipping to 0 V (at A1/A2) are bridged for up to approx. 25 ms to avoid unintentional tripping. Defined ON and OFF thresholds: For voltages of ≥ 0.8 x Us min and higher the electronics will reliably switch the contactor ON, and as of ≤ 0.5 x Us min it is reliably switched off. The hysteresis in the switching thresholds prevents the main contacts from chattering as well as increased wear or welding when operated in weak, unstable networks. This also prevents thermal overloading of the contactor coil if the voltage applied is too low (contactor does not close properly and is continuously operated with overexcitation). Low control power consumption when closing and in the closed state. Electromagnetic compatibility (EMC) The contactors with solid-state operating mechanism comply with the requirements for operation in industrial plants. Interference immunity - Burst (IEC 61000-4-4): 4 kV - Surge (IEC 61000-4-5): 4 kV - Electrostatic discharge, ESD (IEC 61000-4-2): 8/15 kV - Electromagnetic field (IEC 61000-4-3): 10 V/m Emitted interference - Limit value class A according to EN 55011 Note: In connection with converters, the control cables should be installed separately from the load cables of the converter. Indication of remaining lifetime (RLT) Main contactor contacts are working parts which must be replaced in good time when the end of their service life has been reached. The degree of contact erosion and thus the electrical endurance (= number of operating cycles) depends on the loading, utilization category, operating mode, etc. Up to now, routine checks/visual inspections by the maintenance personnel were needed in order to gain an insight into the state of the main contacts. The remaining lifetime indication function now takes over this task. It does not count the number of operating cycles – which does not provide information about contact erosion – but instead electronically identifies, evaluates and stores the actual progress of erosion of each one of the three main contacts, and outputs a warning when specified limits are reached. The stored data are not lost even if the control supply voltage for A1/A2 fails. After replacement of the main contacts, measurement the remaining lifetime must be reset using the "RESET" button (hold down RESET button for about 2 seconds using a pen or similar tool). 3/12 Siemens LV 1 T · 2009 © Siemens AG 2009 Advantages: Signaling through relay contact or AS-i when remaining lifetime is 20 %, i. e. contact material wear is 80 % Additional visual indication of various levels of erosion by means of LEDs on the laterally mounted solid-state module when remaining lifetime is 60 % (green), 40 % (orange) and 20 % (red) RLT 60% 40% 20% Reset Early warning to replace contacts Optimum utilization of contact material Visual inspection of the condition of contacts no longer necessary Reduction of ongoing operating costs Optimum planning of maintenance measures Avoidance of unforeseen plant downtimes 60% 3RT1. . .-.N version: for 24 V DC PLC output 2 control options: Control without a coupling link directly through a 24 V DC/≥ 30 mA PLC output (EN 61131-2). Connection by means of 2-pole plug-in connection. The screwless springtype connection is part of the scope of supply. The control supply voltage which supplies the solenoid operating mechanism must be connected to A1/A2. Note: Before start-up, the slide switch for PLC operation must be moved to the "PLC ON" position (setting ex works: "PLC OFF"). 2 1 Conventional control by applying the control supply voltage at A1/A2 through a switching contact. Note: The slide switch must be in the "PLC OFF" position (= setting ex works). 1 L1/L+ N/L- LEDdisplays green green orange red PLC output 24 V DC / 30 mA PLC OFF ON L1/L+ N/L- 24 V DC 2 PLC OFF ON DC 24 V 3 new RLT 60% 40% 20% Reset A1 A2 A1 A2 NSB0_01143d NSB0_01144d 40% RLT 60% 40% 20% Reset 20% RLT 60% 40% 20% Reset NSB0_01150a $ Slide switch must be in "PLC ON" position % Plug-in connection, 2-pole & Emergency shutdown – optional $ Slide switch must be in "PLC OFF" position % Emergency shutdown – optional
3RT1. . .-.P version: For 24 V DC PLC output or PLC relay output, with remaining lifetime indicator (RLT). A1 -.PP3. 200-277 V 50-60 Hz DC A2 H1 H2 R1 R2 IN IN ON RLT 60% 40% 20% Reset 3RT105/3RT145 300 V AC/DC RLT 24 V DC Displays for RLT: LED green LED green LED orange LED red RLT Reset Plug-in connection 7-pole NSB0_01145b Contactor ON To supply the solenoid and the remaining lifetime indicator with power, the control supply voltage Us must be connected to terminals A1/A2 of the laterally mounted solid-state module. The control inputs of the contactor are connected to a 7-pole plug-in connection; the screwless spring-type connection is part of the scope of supply. The "Remaining Lifetime RLT" status signal is available at terminals R1/R2 through a floating relay contact (hard goldplated, enclosed) and can be input to SIMOCODE, PLC or other devices for processing, for example. Permissible current-carrying capacity of the R1/R2 relay output: - Ie /AC-15/24 to 230 V: 3 A - Ie /DC-13/24 V: 1 A LED indications The following states are indicated by means of LEDs on the laterally mounted solid-state module: - Contactor ON (energized state): green LED ("ON") - Indication of remaining lifetime 2 control options: Contactor control without a coupling link directly through a 24 V DC/≥ 30 mA PLC output (EN 61131-2) by way of terminals IN+/IN-. 3 A1 A2 H1 H2 R1 R2 IN IN NSB0_01146e S2 S1 S1 1 2 L1/L+ N/L- Indication of remaining lifetime 20% PLC output 24 V/30 mA DC Possibility of switching from automatic control to local control by way of terminals H1/H2, i. e. automatic control through PLC or SIMOCODE/PROFIBUS DP can be deactivated e. g. at start-up or in the event of a fault and the contactor can be controlled manually. 3RT, 3TB, 3TF Contactors for Switching Motors $ Solid-state module of 3RT1. . .-.P contactor % Plug-in connection, 7-pole S1 Selector switch for switching from automatic control through PLC semiconductor output to local control S2 Local control option & Emergency shutdown – optional © Siemens AG 2009 3RT10 contactors, 3-pole, 3 ... 250 kW Contactor control through relay outputs, e. g. by -PLC - SIMOCODE by way of terminals H1/H2. Contact loading: U s/approx. 5 mA. When operated through SIMOCODE, a communication link to PROFIBUS DP is also provided. 3 A1 A2 H1 H2 R1 R2 IN IN NSB0_01147d S1 S2 1 2 L1/L+ N/L- PROFIBUS DP e.g. SIMOCODE PLC other Indication of remaining lifetime 20% $ Solid-state module of 3RT1. . .-.P contactor % Plug-in connection, 7-pole S1 Selector switch for switching from automatic control, for example, through SIMOCODE or PLC relay output to local control S2 Local control option & Emergency shutdown – optional 3RT1. . .-.Q version: Communication-capable with integrated AS-Interface and remaining lifetime indicator (RLT) AS-i ON AUTO ADDR. RLT 60% 40% 20% Reset H1 H2 H3 SF1 SF2 AS-i A1 -.QP3. 200-277 V 50-60 Hz DC A2 3RT105/3RT145 300 V AC/DC 1 2 3 4 Bus status Adress jack Contactor ON Automatic control Displays for RLT: LED green LED green LED orange LED red RLT Reset NSB0_01148c Plug-in connection 6-pole Plug-in connection 4-pole To supply the solenoid and the remaining lifetime indicator with power, the control supply voltage U s must be connected to terminals A1/A2 of the laterally mounted solid-state module. The contactor itself is controlled by way of the integrated AS-Interface interface. The inputs and outputs are connected to a 10-pole plug-in connection; the screwless spring-type connections (6-pole for external connection and 4-pole for AS-Interface connection) are part of the scope of supply. LED indications The following states are indicated by means of LEDs on the laterally mounted solid-state module: - Contactor ON (energized state): green LED ("ON") - Automatic/Local control: green LED ("AUTO") - Bus status: green/red dual LED ("AS-i") - Remaining lifetime indicator (RLT) AS-Interface addressing socket "ADDR": The contactor address can be assigned after installation. Siemens LV 1 T · 2009 3/13 3
Page 1 and 2: © Siemens AG 2009 Controls - Conta
Page 3 and 4: S3 3RT1. 4 Controls — Contactors
Page 5 and 6: ■ Overview 3RT1 contactors and co
Page 7 and 8: 3RT1 contactors Sizes S6 to S12 wit
Page 9 and 10: 3RA1 contactor assemblies, 3RT1 con
Page 11: ■ Overview 3RT10 contactors, 3-po
Page 15 and 16: ■ Integration Auxiliary switch bl
Page 17 and 18: ■ 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
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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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3RT, 3TB, 3TF Contactors for Switch
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■ Technical specifications Contac
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1) Applies to 50/60 Hz coil: At 50
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© Siemens AG 2009 3RT, 3TB, 3TF Co
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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
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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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