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Siemens

Main contactor Siemens SIRIUS 3RT20271BB40

2 year warranty Money back guaranty Free Shipping
Item number: 101320
UPC / EAN: 662643915853
  • Power contactor
  • Size S0
  • AC-3
  • 15 HP/480 V
  • Auxiliary contact: 1 x NO/NC
  • Control voltage: 24 V DC
  • Screw connection
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MSRP: $424.10
$205.00
plus sales tax plus shipping
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ul csa ce vde
Corresponding accessories
Surge suppressor Siemens SIRIUS 3RT29261ER00
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Corresponding accessory groups
Auxiliary switch block Siemens SIRIUS 3RH29111FA22
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Auxiliary switch block Siemens SIRIUS 3RH29111HA01
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SIRIUS Auxiliary contacts close
Overload relay Siemens SIRIUS 3RU21261CB0
Overload relay Siemens SIRIUS 3RU21261CB0
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Overload relay Siemens SIRIUS 3RU21261DB0
Overload relay Siemens SIRIUS 3RU21261DB0
Overload relay for motor protection, 2.2-3.2 A, Size S0, CLASS 10, Screw connection, Auxiliary contacts 1 x NC/NO, Manual/automatic reset
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Overload relay Siemens SIRIUS 3RU21261EB0
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Overload relay for motor protection, 2.8-4 A, Size S0, CLASS 10, Screw connection, Auxiliary contacts 1 x NC/NO, Manual/automatic reset
Item number: 101347
MSRP: $94.66
$73.00
plus sales tax plus shipping
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Overload relay Siemens SIRIUS 3RU21261FB0
Overload relay Siemens SIRIUS 3RU21261FB0
Overload relay for motor protection, 3.5-5 A, Size S0, CLASS 10, Screw connection, Auxiliary contacts 1 x NC/NO, Manual/automatic reset
Item number: 101348
MSRP: $94.66
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Overload relay Siemens SIRIUS 3RU21261GB0
Overload relay Siemens SIRIUS 3RU21261GB0
Overload relay for motor protection, 4.5-6.3 A, Size S0, CLASS 10, Screw connection, Auxiliary contacts 1 x NC/NO, Manual/automatic reset
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Overload relay Siemens SIRIUS 3RU21261HB0
Overload relay Siemens SIRIUS 3RU21261HB0
Overload relay for motor protection, 5.5-8 A, Size S0, CLASS 10, Screw connection, Auxiliary contacts 1 x NC/NO, Manual/automatic reset
Item number: 101350
MSRP: $94.66
$73.00
plus sales tax plus shipping
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Overload relay Siemens SIRIUS 3RU21261JB0
Overload relay Siemens SIRIUS 3RU21261JB0
Overload relay for motor protection, 7-10 A, Size S0, CLASS 10, Screw connection, Auxiliary contacts 1 x NC/NO, Manual/automatic reset
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Overload relay Siemens SIRIUS 3RU21261KB0
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Overload relay Siemens SIRIUS 3RU21264AB0
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Overload relay Siemens SIRIUS 3RU21264BB0
Overload relay Siemens SIRIUS 3RU21264BB0
Overload relay for motor protection, 14-20 A, Size S0, CLASS 10, Screw connection, Auxiliary contacts 1 x NC/NO, Manual/automatic reset
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$73.00
plus sales tax plus shipping
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Overload relay Siemens SIRIUS 3RU21264CB0
Overload relay Siemens SIRIUS 3RU21264CB0
Overload relay for motor protection, 17-22 A, Size S0, CLASS 10, Screw connection, Auxiliary contacts 1 x NC/NO, Manual/automatic reset
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$73.00
plus sales tax plus shipping
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Overload relay Siemens SIRIUS 3RU21264DB0
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Overload relay for motor protection, 20-25 A, Size S0, CLASS 10, Screw connection, Auxiliary contacts 1 x NC/NO, Manual/automatic reset
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Overload relay Siemens SIRIUS 3RU21264EB0
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Overload relay for motor protection, 27-32 A, Size S0, CLASS 10, Screw connection, Auxiliary contacts 1 x NC/NO, Manual/automatic reset
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Overload relay Siemens SIRIUS 3RU21264FB0
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Overload relay for motor protection, 34-40 A, Size S0, CLASS 10, Screw connection, Auxiliary contacts 1 x NC/NO, Manual/automatic reset
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plus sales tax plus shipping
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Overload relay Siemens SIRIUS 3RU21264NB0
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plus sales tax plus shipping
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Overload relay Siemens SIRIUS 3RU21264PB0
Overload relay Siemens SIRIUS 3RU21264PB0
Overload relay for motor protection, 30-36 A, Size S0, CLASS 10, Screw connection, Auxiliary contacts 1 x NC/NO, Manual/automatic reset
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plus sales tax plus shipping
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SIRIUS S0 Thermal Overloads close
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Overload relay for motor protection, 0.32-1.25 A, Size S0, CLASS 5-30, Screw connection, Auxiliary contacts 1 x NC/NO, Manual/automatic reset, Internal earth-fault detection
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plus sales tax plus shipping
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Overload relay Siemens SIRIUS 3RB31234VB0
Overload relay Siemens SIRIUS 3RB31234VB0
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SIRIUS S0 Electronic Overloads close
Technical details
General data

Main contactor
1 x NO+1 x NC
S0

Electrical data

690 V
6 kV

Mechanical data

750 1/h
45 mm
85 mm
107 mm
Screw terminals
Screw terminals

Ambient conditions

-25 °C
50 °C
IP20

Further information

UL, CSA, CE, EAC, CCC

Product description
Main contactor Siemens SIRIUS 3RT20271BB40
The compact power contactor 3RT20271BB40 from Siemens is offered for the performance range up to 15 HP at AC-3/480 V. The SIRIUS power contactor 3RT20271BB40 from Siemens uses a control supply voltage of 24 V DC and features one NO and one NC contact as auxiliary contacts as well as a practical screw-type connection. In size S0, the power contactor 3RT20271BB40 is suitable for all load feeders with the circuit breakers 3RV2021 and 3RV2321. The power contactor 3RT20271BB40 is used in automation and control technology, particularly to control motors and switch on electrical heating systems.
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