About Circuit Breakers

Siemens Circuit Breakers

A circuit breaker is a device designed to protect an electrical circuit from damage from overheating, overloading, or short circuiting. It acts like an invisible switch that automatically opens up or turns off the flow of electricity when the circuit is overloaded or the load has reached a certain level. This prevents electrical components in the circuit from being damaged or even bursting into flames. Circuit breakers are typically used in circuit protection applications and are found in most households and all businesses. Circuit breakers come in different sizes, ratings and types depending on the application. They can be manually reset or may also be self resetting, meaning that when the fault has been cleared, the circuit breaker will automatically reset itself and resume normal operation. Circuit breakers have become a standard part of electrical wiring, and are used in industrial, commercial and residential settings.

Circuit Breakers

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Image  Information Image Stock Code(▲▼)Description
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(Ex. GST)(▲▼)		Enter Qty SeriesProductTypeCurrent RatingVoltage Rating ACVoltage Rating DCNumber of PolesActuator TypeMinimum Operating TemperatureMaximum Operating TemperatureIlluminatedPackaging
  
                
5SY4316-8


Circuit breaker; 230/400VAC; Inom: 16A; Poles: 3; DIN; Charact: D
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Siemens Availability : 1
Ship by Fri. 06 Sep to Thu. 12 Sep Calender.png

USD 128.0003

Multiples of: 1

5SY4  16 A  3     
5SJ42138HG42


Circuit Breakers MCB 5SJ4 2P 480/277 13A 10K D-TRIP
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Siemens Availability : 1
Ship by Thu. 12 Sep to Mon. 16 Sep Calender.png

USD 133.7882

Multiples of: 1

 Circuit BreakersMiniature13 A277 VAC , 480 VAC60 VDC2 PoleLevel- 25 C+ 55 CNon - Illuminated 
5SY4303-8


Circuit breaker; 230/400VAC; Inom: 3A; Poles: 3; DIN; Charact: D
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Siemens Availability : 1
Ship by Thu. 12 Sep to Mon. 16 Sep Calender.png

USD 134.0325

Multiples of: 1

 Circuit BreakersMiniature3 A400 VAC60 VDC3 PoleLevel- 40 C+ 70 CNon - Illuminated 
3RV20210DA10


Circuit Breakers CIRCUIT-BREAKER SCREW CONNECTION 0.32A
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Siemens Availability : 1
Ship by Thu. 12 Sep to Mon. 16 Sep Calender.png

USD 175.212

Multiples of: 1

 Circuit BreakersMotor Protection320 mA690 VAC-3 PoleRotary- 20 C+ 60 CNon - Illuminated 
3RV20111KA20


Circuit Breakers MSP S00 9-12.5A SPRING
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Siemens Availability : 1
Ship by Thu. 12 Sep to Mon. 16 Sep Calender.png

USD 182.7962

Multiples of: 1

 Circuit BreakersMotor Protection12.5 A690 VAC-3 PoleRotary- 20 C+ 60 CNon - Illuminated 
3RV2011-0GA15


Circuit Breakers MSP S00 0.45-0.63A AUX 1NO 1NC SCREW
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Siemens Availability : 1
Ship by Thu. 12 Sep to Mon. 16 Sep Calender.png

USD 209.7478

Multiples of: 1

 Circuit BreakersMotor Protection630 mA690 VAC-3 PoleRotary- 20 C+ 60 CNon - Illuminated 
3VA51604ED110AA0


Circuit Breakers BRKR 3VA51 1P 60A 25KA FTFM
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Siemens Availability : 1
Ship by Thu. 12 Sep to Mon. 16 Sep Calender.png

USD 250.834

Multiples of: 1

 Circuit BreakersSystem Protection60 A415 VAC125 VDC1 PolePaddle- 25 C+ 70 CNon - Illuminated 
3RV20211AA25


Circuit Breakers MSP S0 1.1-1.6A SPRG W/AUX 1NO/1NC
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Siemens Availability : 1
Ship by Thu. 12 Sep to Mon. 16 Sep Calender.png

USD 255.2534

Multiples of: 1

 Circuit BreakersMotor Protection1.6 A690 VAC-3 PoleRotary- 20 C+ 60 CNon - Illuminated 
3RV20111JA100BA0


Circuit Breakers MSP S00 7-10A SCREW, -50 C RATED
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Siemens Availability : 1
Ship by Thu. 12 Sep to Mon. 16 Sep Calender.png

USD 303.7203

Multiples of: 1

 Circuit BreakersMotor Protection10 A690 VAC-3 PoleRotary- 50 C+ 60 CNon - Illuminated 
3RV2021-4CA15


Circuit Breakers MSP S0 17-22A SCREW W/AUX 1NO/1NC
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Siemens Availability : 1
Ship by Thu. 12 Sep to Mon. 16 Sep Calender.png

USD 309.8043

Multiples of: 1

 Circuit BreakersMotor Protection22 A690 VAC-3 PoleRotary- 20 C+ 60 CNon - Illuminated 
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