About Circuit Breakers

Weidmuller 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
  
                
7940102628


Circuit Breakers QY-1(13)-DM-U2-5A-BO
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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.

Weidmuller Availability : 26
Ship by Wed. 18 Sep to Fri. 20 Sep Calender.png

USD 24.024

Multiples of: 1

 Hydraulic - Magnetic Miniature Circuit BreakersDual Mount DC Circuit Breaker5 A 80 VDC1 PoleLever- 40 C+ 85 CNon - Illuminated 
7940099230


Circuit Breakers BR MCB/BUSBAR END CAP 1Pole
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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.

Weidmuller Availability : 25
Ship by Wed. 18 Sep to Fri. 20 Sep Calender.png

USD 1.284

Multiples of: 1

            
7940126749


Circuit Breakers QL-2-13-DM-KM-20
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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.

Weidmuller Availability : 25
Ship by Wed. 18 Sep to Fri. 20 Sep Calender.png

USD 46.308

Multiples of: 1

 Hydraulic - Magnetic Miniature Circuit BreakersAC Circuit Breaker20 A240 VAC 2 PoleLever- 40 C+ 85 CNon - Illuminated 
2480170000


Circuit Breakers MCB 1077 1P C 30A ACDC
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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.

Weidmuller Availability : 23
Ship by Wed. 18 Sep to Fri. 20 Sep Calender.png

USD 14.856

Multiples of: 1

MCB           
2480050000


Circuit Breakers MCB 1077 1P C 3A ACDC
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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.

Weidmuller Availability : 23
Ship by Wed. 18 Sep to Fri. 20 Sep Calender.png

USD 15.411

Multiples of: 1

 Circuit BreakersThermal - Magnetic3 A277 VAC60 VDC1 PoleLever- 35 C+ 70 CNot Illuminated 
7940102584


Circuit Breakers QL-1-13-DM-KM-20.0
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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.

Weidmuller Availability : 23
Ship by Wed. 18 Sep to Fri. 20 Sep Calender.png

USD 20.1

Multiples of: 1

 Hydraulic - Magnetic Miniature Circuit BreakersDual Mount AC Circuit Breaker20 A120 VAC 1 PoleLever- 40 C+ 85 CNon - Illuminated 
7940102585


Circuit Breakers QL-1-13-DM-KM-25.0
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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.

Weidmuller Availability : 23
Ship by Wed. 18 Sep to Fri. 20 Sep Calender.png

USD 20.124

Multiples of: 1

            
2477040000


Circuit Breakers MCB 489 1P B 1A ACDC
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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.

Weidmuller Availability : 23
Ship by Wed. 18 Sep to Fri. 20 Sep Calender.png

USD 20.892

Multiples of: 1

MCBCircuit BreakersThermal - Magnetic1 A277 VAC60 VDC1 PoleLever- 35 C+ 70 CNon - Illuminated 
9926251006


Circuit Breaker Hydraulic Magnetic 1Pole 6A 120VAC
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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.

Weidmuller Availability : 23
Ship by Wed. 18 Sep to Fri. 20 Sep Calender.png

USD 21.6956

Multiples of: 1

9926 QLCircuit BreakersHydraulic Magnetic6 A120 VAC , 240 VAC 1 Pole - 40 C+ 65 CNot IlluminatedBulk
BR1C5UC


BRANCH CIRCUIT BREAKER, 1 POLE, 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.

Weidmuller Availability : 23
Ship by Thu. 12 Sep to Wed. 18 Sep Calender.png

USD 24.1349

Multiples of: 1

BR - UCCircuit BreakersThermal Magnetic Miniature5 A120 VAC , 240 VAC , 277 VAC60 VDC , 80 VDC1 Pole - 35 C+ 70 CNot IlluminatedBulk
9926251015


Circuit Breaker Hydraulic Magnetic 1Pole 15A 120VAC
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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.

Weidmuller Availability : 23
Ship by Thu. 12 Sep to Wed. 18 Sep Calender.png

USD 26.0763

Multiples of: 1

9926 QLCircuit BreakersHydraulic Magnetic15 A120 VAC , 240 VAC 1 Pole - 40 C+ 65 CNot IlluminatedBulk
2822120000


Circuit Breakers HB1220UC HYD.MCB UL489 1P,Curve2,20.0A
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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.

Weidmuller Availability : 23
Ship by Wed. 18 Sep to Fri. 20 Sep Calender.png

USD 27.72

Multiples of: 1

HBCircuit BreakersHydraulic - Magnetic20 A240 VAC80 VDC1 PoleLever- 40 C+ 85 CNon - IlluminatedBulk
2478150000


Circuit Breakers MCB 489 2P C 10A ACDC
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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.

Weidmuller Availability : 23
Ship by Wed. 18 Sep to Fri. 20 Sep Calender.png

USD 41.2994

Multiples of: 1

MCBCircuit BreakersThermal - Magnetic10 A277 VAC 2 PoleLever- 35 C+ 70 CNon - Illuminated 
7940102159


Circuit Breakers CB4201-10, 2.5A/TS35
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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.

Weidmuller Availability : 23
Ship by Wed. 18 Sep to Fri. 20 Sep Calender.png

USD 53.76

Multiples of: 1

CB4201           
2480150000


Circuit Breakers MCB 1077 1P C 20A ACDC
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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.

Weidmuller Availability : 22
Ship by Thu. 12 Sep to Wed. 18 Sep Calender.png

USD 18.965

Multiples of: 1

MCBCircuit BreakersThermal - Magnetic20 A277 VAC60 VDC1 PoleLever- 35 C+ 70 CNon - Illuminated 
2478640000


Circuit Breakers MCB 489 1P D 8A ACDC
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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.

Weidmuller Availability : 22
Ship by Wed. 18 Sep to Fri. 20 Sep Calender.png

USD 20.1

Multiples of: 1

MCBCircuit BreakersThermal - Magnetic8 A277 VAC60 VDC1 PoleLever- 35 C+ 70 CNon - Illuminated 
9124213500


Circuit Breaker Thermal Magnetic 1Pole 16A 250VAC
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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.

Weidmuller Availability : 22
Ship by Wed. 18 Sep to Fri. 20 Sep Calender.png

USD 49.918

Multiples of: 1

CB4201Circuit BreakersThermal - Magnetic16 A250 VAC80 VDC1 PoleReset Button- 30 C+ 55 CNon - IlluminatedBulk
BR2D30UC


BRANCH CIRCUIT BREAKER, 2 POLE, 30A; Pro; BRANCH CIRCUIT BREAKER, 2 POLE, 30A; Product Range:BR Series; Current Rating:30A; No. of Poles:2 Pole; Voltage Rating VDC:125V; Voltage Rating VAC:415V; Circuit Breaker Mounting:DIN Rail
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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.

Weidmuller Availability : 22
Ship by Thu. 12 Sep to Wed. 18 Sep Calender.png

USD 50.3855

Multiples of: 1

   30 A        
2822130000


Circuit Breakers HB1225UC HYD.MCB UL489 1P,Curve2,25.0A
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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.

Weidmuller Availability : 20
Ship by Wed. 18 Sep to Fri. 20 Sep Calender.png

USD 27.708

Multiples of: 1

HBCircuit BreakersHydraulic - Magnetic25 A240 VAC80 VDC1 PoleLever- 40 C+ 85 CNon - IlluminatedBulk
SU1C1UC


SUPPLEMENTARY CKT BREAKER, 1 POLE, 1A
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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.

Weidmuller Availability : 19
Ship by Thu. 12 Sep to Wed. 18 Sep Calender.png

USD 18.6664

Multiples of: 1

SU - UCCircuit BreakersThermal Magnetic Miniature1 A120 VAC , 240 VAC , 277 VAC60 VDC , 80 VDC1 Pole - 35 C+ 70 CNot IlluminatedBulk
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