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
  
                
5SJ42307HG41


Circuit Breakers MCB 5SJ4 2P 240V 30A 14K C-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 95.0163

Multiples of: 1

 Circuit BreakersMiniature30 A240 VAC60 VDC2 PoleLevel- 25 C+ 55 CNon - Illuminated 
5SJ42017HG42


Circuit Breakers MCB 5SJ4 2P 480/277 1A 10K C-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 104.4238

Multiples of: 1

5SJ4Circuit BreakersMiniature1 A277 VAC , 480 VAC60 VDC2 PoleLevel- 25 C+ 55 CNon - Illuminated 
5SJ42167HG42


Circuit Breakers MCB 5SJ4 2P 480/277 16A 10K C-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 104.4238

Multiples of: 1

 Circuit BreakersMiniature16 A277 VAC , 480 VAC60 VDC2 PoleLevel- 25 C+ 55 CNon - Illuminated 
5SY6340-7


Circuit breaker; 230/400VAC; Inom: 40A; Poles: 3; DIN; Charact: C
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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 106.4396

Multiples of: 1

5SY6  40 A  3     
5SJ42327HG42


Circuit Breakers MCB 5SJ4 2P 480/277 32A 10K C-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 122.1837

Multiples of: 1

 Circuit BreakersMiniature32 A277 VAC , 480 VAC60 VDC2 PoleLevel- 25 C+ 55 CNon - Illuminated 
5SY4340-8


Circuit breaker; 230/400VAC; Inom: 40A; 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 127.2463

Multiples of: 1

 Circuit BreakersMiniature40 A400 VAC60 VDC3 PoleLevel- 40 C+ 70 CNon - Illuminated 
5SY6363-7


Circuit breaker; 230/400VAC; Inom: 63A; Poles: 3; DIN; Charact: C
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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 144.0378

Multiples of: 1

5SY6  63 A  3     
5SJ43257HG42


Circuit Breakers MCB 5SJ4 3P 480/277 25A 10K C-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 155.4598

Multiples of: 1

 Circuit BreakersMiniature25 A277 VAC , 480 VAC60 VDC3 PoleLevel- 25 C+ 55 CNon - Illuminated 
5SX2315-7


SUPPLEMENTARY PROTECTOR,3P,1.6A,CURVE C
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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 157.2574

Multiples of: 1

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5SJ43307HG42


Circuit Breakers MCB 5SJ4 3P 480/277 30A 10K C-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 167.9398

Multiples of: 1

 Circuit BreakersMiniature30 A277 VAC , 480 VAC60 VDC3 PoleLevel- 25 C+ 55 CNon - Illuminated 
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