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
  
                
HCBY2P15GA850


Circuit Breakers 120/240V 15A 2P 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 24
Ships to you
between Tue. 21 May to Thu. 23 May Calender.png

USD 60.3288
Multiples of: 1

HCB  15 A120 VAC , 240 VAC 2 Pole    Bulk
HCBY2P30GA850


Circuit Breakers 120/240V 30A 2P 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 24
Ships to you
between Tue. 21 May to Thu. 23 May Calender.png

USD 60.3288
Multiples of: 1

HCB  30 A120 VAC , 240 VAC 2 Pole    Bulk
HCBY2P60GG850


Circuit Breakers 120/240V 60A 2P 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 24
Ships to you
between Tue. 21 May to Thu. 23 May Calender.png

USD 61.1116
Multiples of: 1

HCB  60 A120 VAC , 240 VAC 2 Pole    Bulk
HCBY2P10GG850


Circuit Breakers 120/240V 10A 2P 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 23
Ships to you
between Tue. 21 May to Thu. 23 May Calender.png

USD 60.3288
Multiples of: 1

HCB  10 A120 VAC , 240 VAC 2 Pole    Bulk
HCBY2P15GG850


Circuit Breakers 120/240V 15A 2P 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 20
Ships to you
between Tue. 21 May to Thu. 23 May Calender.png

USD 60.3288
Multiples of: 1

HCB  15 A120 VAC , 240 VAC 2 Pole    Bulk
30056-20


Circuit Breakers CIR BRKR20A12VMETHWD
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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 19
Ships to you
between Tue. 21 May to Thu. 23 May Calender.png

USD 10.2879
Multiples of: 1

 Circuit BreakersBox Style Circuit Breaker20 A 12 VDC    Not IlluminatedBulk
HCBY2P45GG850


Circuit Breakers 120/240V 45A 2P 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 19
Ships to you
between Tue. 21 May to Thu. 23 May Calender.png

USD 58.8749
Multiples of: 1

HCB  45 A120 VAC , 240 VAC 2 Pole    Bulk
HCBY2P60GA850


Circuit Breakers 120/240V 60A 2P 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 19
Ships to you
between Tue. 21 May to Thu. 23 May Calender.png

USD 61.1116
Multiples of: 1

HCB  60 A120 VAC , 240 VAC 2 Pole    Bulk
HCBY3P25GA850


Circuit Breakers 120/240V 25A 3P 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 19
Ships to you
between Tue. 21 May to Thu. 23 May Calender.png

USD 181.9282
Multiples of: 1

HCB  25 A120 VAC , 240 VAC 3 Pole    Bulk
HCBY3P40GA850


Circuit Breakers 120/240V 40A 3P 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 19
Ships to you
between Tue. 21 May to Thu. 23 May Calender.png

USD 182.8121
Multiples of: 1

HCB  40 A120 VAC , 240 VAC 3 Pole    Bulk
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