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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1 2345...
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(Ex. GST)(▲▼)		Enter Qty SeriesProductTypeCurrent RatingVoltage Rating ACVoltage Rating DCNumber of PolesActuator TypeMinimum Operating TemperatureMaximum Operating TemperatureIlluminatedPackaging
  
                
30171-30


Circuit Breakers CIR_BRKR 30A 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 209
Ships to you
between Wed. 17 Jul to Fri. 19 Jul Calender.png

AUD 16.4497
Multiples of: 1

 Circuit BreakersAuto Reset30 A 24 VDC1 Pole   Non - IlluminatedBulk
BUCB010.Z


Circuit Breakers 10A CBK Universal Circuit Breaker
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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 184
Ships to you
between Wed. 17 Jul to Fri. 19 Jul Calender.png

AUD 10.78
Multiples of: 1

UCBCircuit BreakersModified Reset10 A 12 VDC1 Pole   Non - IlluminatedBulk
30056-50


Circuit Breakers CIR_BRKR 50A 12V MET 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 129
Ships to you
between Wed. 17 Jul to Fri. 19 Jul Calender.png

AUD 26.52
Multiples of: 1

 Circuit BreakersBox Style50 A 12 VDC    Non - IlluminatedBulk
BUCB015.Z


Circuit Breakers 15A CBK Universal Circuit Breaker
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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 127
Ships to you
between Wed. 17 Jul to Fri. 19 Jul Calender.png

AUD 10.4483
Multiples of: 1

UCBCircuit BreakersModified Reset15 A 12 VDC1 Pole   Non - IlluminatedBulk
30055-20


Circuit Breakers CIRCUIT BREAKER 12V 2
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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 125
Ships to you
between Wed. 17 Jul to Fri. 19 Jul Calender.png

AUD 15.5682
Multiples of: 1

 Circuit BreakersAuto Reset20 A 12 VDC1 Pole   Non - IlluminatedBulk
30138-30


Circuit Breakers CIR_BRKR 30A 12V MET BRK HN11
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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 106
Ships to you
between Wed. 17 Jul to Fri. 19 Jul Calender.png

AUD 18.375
Multiples of: 1

 Circuit BreakersAuto Reset30 A 12 VDC1 Pole   Non - IlluminatedBulk
30171-10


Circuit Breakers CIR_BRKR 10A 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 103
Ships to you
between Wed. 17 Jul to Fri. 19 Jul Calender.png

AUD 16.18
Multiples of: 1

 Circuit BreakersAuto Reset10 A 24 VDC1 Pole   Non - IlluminatedBulk
30055-15


Circuit Breakers CIR BRKR,15A,12V,MET,BRK,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 97
Ships to you
between Wed. 17 Jul to Fri. 19 Jul Calender.png

AUD 15.5682
Multiples of: 1

Box - Style Circuit BreakersCircuit BreakersAuto Reset15 A 12 VDC1 Pole   Non - IlluminatedBulk
30137-15


Circuit Breakers CIR BRKR15A12VMELHWDHN11
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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 95
Ships to you
between Thu. 11 Jul to Wed. 17 Jul Calender.png

AUD 11.3997
Multiples of: 1

 Circuit BreakersAuto Reset15 A 12 VDC1 Pole   Non - IlluminatedBulk
0UCB005.X


Circuit Breakers 5A
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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 91
Ships to you
between Wed. 17 Jul to Fri. 19 Jul Calender.png

AUD 15.1443
Multiples of: 1

UCBCircuit BreakersUniversal5 A 12 VDC1 PoleReset Button  Non - IlluminatedBulk
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