About Circuit Breakers

Littelfuse 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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(Ex. GST)(▲▼)		Enter Qty SeriesProductTypeCurrent RatingVoltage Rating ACVoltage Rating DCNumber of PolesActuator TypeMinimum Operating TemperatureMaximum Operating TemperatureIlluminatedPackaging
  
                
HCBY1P40GA850


Circuit Breakers 120/240V 40A 1P CIRCUIT BREAKER, LUGS/QUICK CONNECT
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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.

Littelfuse Availability : 48
Ship by Tue. 16 Jul to Thu. 18 Jul Calender.png

USD 29.484
Multiples of: 1

HCB  40 A120 VAC , 240 VAC 1 Pole    Bulk
HCBY1P35GG850


Circuit Breakers 120/240V 35A 1P CIRCUIT BREAKER, LUGS
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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.

Littelfuse Availability : 48
Ship by Tue. 16 Jul to Thu. 18 Jul Calender.png

USD 29.484
Multiples of: 1

HCB  35 A120 VAC , 240 VAC 1 Pole    Bulk
HCBY1P40GG850


Circuit Breakers 120/240V 40A 1P CIRCUIT BREAKER, LUGS
Icon ROHS
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.

Littelfuse Availability : 48
Ship by Tue. 16 Jul to Thu. 18 Jul Calender.png

USD 29.484
Multiples of: 1

HCB  40 A120 VAC , 240 VAC 1 Pole    Bulk
HCBY1P45GA850


Circuit Breakers 120/240V 45A 1P CIRCUIT BREAKER, LUGS/QUICK CONNECT
Icon ROHS
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.

Littelfuse Availability : 48
Ship by Tue. 16 Jul to Thu. 18 Jul Calender.png

USD 29.484
Multiples of: 1

HCB  45 A120 VAC , 240 VAC 1 Pole    Bulk
HCBY1P45GG850


Circuit Breakers 120/240V 45A 1P CIRCUIT BREAKER, LUGS
Icon ROHS
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.

Littelfuse Availability : 48
Ship by Tue. 16 Jul to Thu. 18 Jul Calender.png

USD 29.484
Multiples of: 1

HCB  45 A120 VAC , 240 VAC 1 Pole    Bulk
HCBY1P60GA850


Circuit Breakers 120/240V 60A 1P CIRCUIT BREAKER, LUGS/QUICK CONNECT
Icon ROHS
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.

Littelfuse Availability : 48
Ship by Tue. 16 Jul to Thu. 18 Jul Calender.png

USD 29.484
Multiples of: 1

HCB  60 A120 VAC , 240 VAC 1 Pole    Bulk
HCBY1P25GG850


Circuit Breakers 120/240V 25A 1P CIRCUIT BREAKER, LUGS
Icon ROHS
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.

Littelfuse Availability : 46
Ship by Tue. 16 Jul to Thu. 18 Jul Calender.png

USD 29.484
Multiples of: 1

HCB  25 A120 VAC , 240 VAC 1 Pole    Bulk
HCBY1P25GA850


Circuit Breakers 120/240V 25A 1P CIRCUIT BREAKER, LUGS/QUICK CONNECT
Icon ROHS
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.

Littelfuse Availability : 46
Ship by Tue. 16 Jul to Thu. 18 Jul Calender.png

USD 29.484
Multiples of: 1

HCB  25 A120 VAC , 240 VAC 1 Pole    Bulk
HCBY1P60GG850


Circuit Breakers 120/240V 60A 1P CIRCUIT BREAKER, LUGS
Icon ROHS
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.

Littelfuse Availability : 45
Ship by Tue. 16 Jul to Thu. 18 Jul Calender.png

USD 29.484
Multiples of: 1

HCB  60 A120 VAC , 240 VAC 1 Pole    Bulk
30171-20


Circuit Breakers CIR_BRKR 20A 24V MEL HWD
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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.

Littelfuse Availability : 40
Ship by Tue. 16 Jul to Thu. 18 Jul Calender.png

USD 10.9331
Multiples of: 1

 Circuit BreakersAuto Reset20 A 24 VDC1 Pole   Non - IlluminatedBulk
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