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All categories
Sensor systems
Control systems
Industrial communication technology
Measuring & regulation technology
Switches & signaling devices
Industrial controls
Circuit protection
Drive technology
Enclosures / Control cabinets
Industrial lighting
Connection technology
Power supply
Work tools

Main contactor Siemens SIRIUS 3RT20181BB41

Item number: 101313

UPC / EAN: 662643913194

Power contactor
Size S00
AC-3
10 HP/480 V
Auxiliary contact: 1 x NO
Control voltage: 24 V DC
Screw connection

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MSRP: $254.22

$124.00

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Corresponding accessory groups

SIRIUS Auxiliary contacts SIRIUS Auxiliary contacts

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Auxiliary switch block Siemens SIRIUS 3RH29111FA22

Auxiliary contact block for contactor relays, For 3RH and 3RT contact relays, 2 x NO/2 x NC contacts, Screw terminals

Item number: 400741

MSRP: $47.17

$23.00

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Auxiliary switch block Siemens SIRIUS 3RH29111HA01

Auxiliary contact block for contactor relays and motor contactors, Size S00/S0, Auxiliary contacts: 1 x NC, Screw connection

Item number: 101416

MSRP: $22.33

$12.58

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SIRIUS S00 Thermal Overloads SIRIUS S00 Thermal…

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Overload relay Siemens SIRIUS 3RU21160AB0

Overload relay for motor protection, 0.11-0.16 A, Size: S00, CLASS 10, Screw connection, Auxiliary contacts 1 x NC/NO, Manual/automatic reset

Item number: 101324

MSRP: $92.24

$59.00

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Overload relay Siemens SIRIUS 3RU21160BB0

Overload relay for motor protection, 0.14-0.2 A, Size: S00, CLASS 10, Screw connection, Auxiliary contacts 1 x NC/NO, Manual/automatic reset

Item number: 101325

MSRP: $92.24

$59.00

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Overload relay Siemens SIRIUS 3RU21160CB0

Overload relay for motor protection, 0.18-0.25 A, Size: S00, CLASS 10, Screw connection, Auxiliary contacts 1 x NC/NO, Manual/automatic reset

Item number: 101326

MSRP: $92.24

$59.00

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Overload relay Siemens SIRIUS 3RU21160EB0

Overload relay for motor protection, 0.28-0.40 A, Size: S00, CLASS 10, Screw connection, Auxiliary contacts 1 x NC/NO, Manual/automatic reset

Item number: 101328

MSRP: $92.24

$59.00

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Overload relay Siemens SIRIUS 3RU21160FB0

Overload relay for motor protection, 0.35-0.5 A, Size: S00, CLASS 10, Screw connection, Auxiliary contacts 1 x NC/NO, Manual/automatic reset

Item number: 101329

MSRP: $92.24

$59.00

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Overload relay Siemens SIRIUS 3RU21160GB0

Overload relay for motor protection, 0.45-0.63 A, Size: S00, CLASS 10, Screw connection, Auxiliary contacts 1 x NC/NO, Manual/automatic reset

Item number: 101330

MSRP: $92.24

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Overload relay Siemens SIRIUS 3RU21160HB0

Overload relay for motor protection, 0.55-0.8 A, Size S00, CLASS 10, Screw connection, Auxiliary contacts 1 x NC/NO, Manual/automatic reset

Item number: 101331

MSRP: $92.24

$59.00

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Overload relay Siemens SIRIUS 3RU21160JB0

Overload relay for motor protection, 0.70-1 A, Size S00, CLASS 10, Screw connection, Auxiliary contacts 1 x NC/NO, Manual/automatic reset

Item number: 101332

MSRP: $92.24

$59.00

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Overload relay Siemens SIRIUS 3RU21160KB0

Overload relay for motor protection, 0.90-1.25 A, Size S00, CLASS 10, Screw connection, Auxiliary contacts 1 x NC/NO, Manual/automatic reset

Item number: 101333

MSRP: $92.24

$59.00

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Overload relay Siemens SIRIUS 3RU21161AB0

Overload relay for motor protection, 1.1-1.6 A, Size S00, CLASS 10, Screw connection, Auxiliary contacts 1 x NC/NO, Manual/automatic reset

Item number: 101334

MSRP: $92.24

$59.00

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Overload relay Siemens SIRIUS 3RU21161BB0

Overload relay for motor protection, 1.40-2 A, Size S00, CLASS 10, Screw connection, Auxiliary contacts 1 x NC/NO, Manual/automatic reset

Item number: 101335

MSRP: $92.24

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Overload relay Siemens SIRIUS 3RU21161CB0

Overload relay for motor protection, 1.8-2.5 A, Size S00, CLASS 10, Screw connection, Auxiliary contacts 1 x NC/NO, Manual/automatic reset

Item number: 101336

MSRP: $92.24

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Overload relay Siemens SIRIUS 3RU21161DB0

Overload relay for motor protection, 2.2-3.2 A, Size S00, CLASS 10, Screw connection, Auxiliary contacts 1 x NC/NO, Manual/automatic reset

Item number: 101337

MSRP: $92.24

$59.00

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Overload relay Siemens SIRIUS 3RU21161EB0

Overload relay for motor protection, 2.8-4 A, Size S00, CLASS 10, Screw connection, Auxiliary contacts 1 x NC/NO, Manual/automatic reset

Item number: 101338

MSRP: $92.24

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Overload relay Siemens SIRIUS 3RU21161FB0

Overload relay for motor protection, 3.5-5 A, Size S00, CLASS 10, Screw connection, Auxiliary contacts 1 x NC/NO, Manual/automatic reset

Item number: 101339

MSRP: $92.24

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Overload relay Siemens SIRIUS 3RU21161GB0

Overload relay for motor protection, 4.5-6.3 A, Size S00, CLASS 10, Screw connection, Auxiliary contacts 1 x NC/NO, Manual/automatic reset

Item number: 101340

MSRP: $92.24

$59.00

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Overload relay Siemens SIRIUS 3RU21161HB0

Overload relay for motor protection, 5.5-8 A, Size S00, CLASS 10, Screw connection, Auxiliary contacts 1 x NC/NO, Manual/automatic reset

Item number: 101341

MSRP: $92.24

$59.00

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Overload relay Siemens SIRIUS 3RU21161JB0

Overload relay for motor protection, 7-10 A, Size S00, CLASS 10, Screw connection, Auxiliary contacts 1 x NC/NO, Manual/automatic reset

Item number: 101342

MSRP: $92.24

$59.00

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Overload relay Siemens SIRIUS 3RU21161KB0

Overload relay for motor protection, 9-12.5 A, Size S00, CLASS 10, Screw connection, Auxiliary contacts 1 x NC/NO, Manual/automatic reset

Item number: 101343

MSRP: $92.24

$59.00

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Overload relay Siemens SIRIUS 3RU21164AB0

Overload relay for motor protection, 11-16 A, Size S00, CLASS 10, Screw connection, Auxiliary contacts 1 x NC/NO, Manual/automatic reset

Item number: 101344

MSRP: $92.24

$59.00

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SIRIUS S00 Thermal Overloads close

SIRIUS S00 Surge Suppressor SIRIUS S00 Surge…

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Surge suppressor Siemens SIRIUS 3RT29161BB00

Surge suppressor, Varistor, 24-48 V AC, 24-70 V DC, For contactor relays and motor contactors Size S00

Item number: 401029

MSRP: $22.97

$12.58

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Surge suppressor Siemens SIRIUS 3RT29161BC00

Surge suppressor, varistor, 48-127 VAC, 70-150 VDC, for contactor relays and motor contactors Size S00

Item number: 401028

MSRP: $22.97

$12.58

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Surge suppressor Siemens SIRIUS 3RT29161DG00

Surge suppressor, Suppression diode 12-250 V DC, For contactor relays and motor contactors, Size S00

Item number: 101419

MSRP: $22.97

$11.53

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Surge suppressor Siemens SIRIUS 3RT29161EH00

Surge suppressor, Diode combination, 12-250 VDC, For contactor relays and motor contactors Size S00

Item number: 401026

MSRP: $24.79

$13.64

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SIRIUS S00 Surge Suppressor close

SIRIUS S00 Electronic Overloads SIRIUS S00 Electronic…

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Overload relay Siemens SIRIUS 3RB31134PB0

Overload relay for motor protection, 1-4 A, Size S00, CLASS 5-30, Screw connection, Auxiliary contacts 1 x NC/NO, Manual/automatic reset, Internal earth-fault detection

Item number: 101361

MSRP: $210.74

$161.00

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Overload relay Siemens SIRIUS 3RB31134SB0

Overload relay for motor protection, 3-12 A, Size S00, CLASS 5-30, Screw connection, Auxiliary contacts 1 x NC/NO, Manual/automatic reset, Internal earth-fault detection

Item number: 101362

MSRP: $210.74

$161.00

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Overload relay Siemens SIRIUS 3RB31134TB0

Overload relay for motor protection, 4-16 A, Size S00, CLASS 5-30, Screw connection, Auxiliary contacts 1 x NC/NO, Manual/automatic reset, Internal earth-fault detection

Item number: 101363

MSRP: $210.74

$161.00

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SIRIUS S00 Electronic Overloads close

Technical details

General data

Design Main contactor
Auxiliary contacts 1 x NO
Size S00

Electrical data

Power at AC-3/480 V (HP) 10 HP
Insulation voltage 690 V
Control supply voltage 24 V DC
Impulse voltage resistance 6 kV

Mechanical data

Frequency of operation at AC-3 max. 750 1/h
Width 45 mm
Height 58 mm
Depth 73 mm
Connection aux. current circuit Screw terminals
Connection main current circuit Screw terminals

Ambient conditions

Operating temperature min. -25 °C
Operating temperature max. 50 °C
Protection rating IP20

Further information

Approval UL, CSA, CE, EAC, CCC

Product description

Main contactor Siemens SIRIUS 3RT20181BB41

The compact power contactor 3RT20181BB41 from Siemens is offered for the performance range up to 10 HP at AC-3/480 V. The SIRIUS power contactor 3RT20181BB41 from Siemens uses a control supply voltage of 24 V DC and features an NO contact as auxiliary contact as well as a practical screw-type connection. In size S00, the power contactor 3RT20181BB41 is suitable for all load feeders with the circuit breakers 3RV2011 and 3RV2311. The power contactor 3RT20181BB41 is used in automation and control technology, particularly to control motors and switch on electrical heating systems.

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