Circuit Breakers

 Circuit Breakers
Circuit breakers are in stock with same-day shipping at Mouser from leading manufacturers. Mouser is an authorized distributor for many circuit breaker manufacturers including ABB, Carling Technologies, Eaton, E-T-A Circuit Breakers, Phoenix Contact, Sensata, Schurter, Siemens, TE Connectivity & more.
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Please view our large selection of circuit breakers below.

Results: 151,453
Select Image Part # Mfr. Description Datasheet Availability Pricing (HKD) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Series Product Type Current Rating Voltage Rating AC Voltage Rating DC Number of Poles Actuator Minimum Operating Temperature Maximum Operating Temperature Illuminated Packaging
E-T-A Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload protection of motors 414In Stock
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3120-N Thermal Circuit Breakers Overcurrent Protection 8 A 240 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Non-Illuminated


Phoenix Contact Circuit Breakers CBMC E4 24DC/1-10A S-R 92In Stock
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Mult.: 1

CBMC Circuit Breakers Electronic 40 A 24 VDC 1 Pole Pushbutton - 25 C + 60 C Illuminated
AIRPAX Circuit Breakers Cir Brkr,HydMag 25In Stock
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Circuit Breakers 30 A 2 Pole Toggle - 40 C + 85 C Non-Illuminated
Siemens Circuit Breakers MSP S0 3.5 - 5A SCREW 30In Stock
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3RV2 Circuit Breakers Motor Protection 5 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Schneider Electric Circuit Breakers MAN-START 600VAC 40AMP IEC 6In Stock
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GV


E-T-A Circuit Breakers Miniaturised single pole thermal circuit breaker with push-to-reset tease free, trip-free, snap action mechanism (R-type TO CBE to EN 60934) integral type. Approved to CBE standard EN 60934 (IEC 60934). For higher current ratings see 297In Stock
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104 Thermal Circuit Breakers Overcurrent Protection 4 A 240 VAC 48 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
E-T-A Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot 204In Stock
Min.: 1
Mult.: 1

3120-N Thermal Circuit Breakers Overcurrent Protection 20 A 240 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
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Mult.: 1

AP Circuit Breakers Hydraulic Magnetic 3 A 240 VAC 50 VDC 2 Pole Toggle - 40 C + 100 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr,HydMag 14In Stock
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Mult.: 1
IAL/IDL/IML/IUL Circuit Breakers Hydraulic Magnetic 2 A Handle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers CIRCUIT BREAKER 2In Stock
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Mult.: 1
Siemens Circuit Breakers MSP S00 1.1-1.6A SCREW 16In Stock
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Mult.: 1

3RV2 Circuit Breakers Motor Protection 1.6 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S0 20-25A SCREW 7In Stock
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Mult.: 1

3RV2 Circuit Breakers Motor Protection 25 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated


Schneider Electric Circuit Breakers MAN-START 600VAC 40AMP IEC 4In Stock
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GV


Weidmuller Circuit Breakers CB4201-10, 1.5A/TS35 13In Stock
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Mult.: 1
CB4201 AC
E-T-A Circuit Breakers Single pole compact high performance thermal circuit breaker with tease-free, trip-free, snap action mechanism and push/pull on/off manual actuation (M-type TO CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off posit 25In Stock
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482 Thermal Circuit Breakers Thermal 35 A 115 VAC 28 VDC 1 Pole Push-Pull - 55 C + 75 C Non-Illuminated


E-T-A Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o 348In Stock
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1170 Miniature Circuit Breakers Automotive 8 A 28 VDC 1 Pole Push to Reset - 40 C + 85 C Non-Illuminated


E-T-A Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o 166In Stock
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1170 Miniature Circuit Breakers Automotive 30 A 28 VDC 1 Pole Push to Reset - 40 C + 85 C Non-Illuminated


E-T-A Circuit Breakers Combination of single pole circuit breaker and ON/OFF switch with soft-touch rocker actuation. Contoured rockers are available with a choice of colours and legends, with optional illumination. The 3131 is sealed to provide IP66 rated 341In Stock
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3131-A/C Circuit Breakers Thermal 10 A 240 VAC 28 VDC 1 Pole Rocker - 20 C + 60 C Illuminated


AIRPAX Circuit Breakers Cir Brkr Hyd Mag 33In Stock
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IUGN Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 240 VAC 80 VDC 2 Pole Toggle - 40 C + 85 C Non-Illuminated
Siemens Circuit Breakers CIRCUIT BREAKER SIZE S00, CLASS 10 13In Stock
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3RV2 Circuit Breakers Motor Protection 5 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated


Schneider Electric Circuit Breakers MAN-START 600VAC 65AMP IEC 5In Stock
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Mult.: 1

GV Circuit Breakers Thermal Magnetic 65 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Eaton Electrical Circuit Breakers QBHW 3P 100A 240VAC MAX 22KAIC 1In Stock
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ABB Circuit Breakers ASM CIRCUIT BREAKER 480V 1In Stock
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Circuit Breakers 150 A 480 VAC 250 VDC 3 Pole Non-Illuminated
E-T-A Circuit Breakers Miniaturised single pole press-to-reset cycling trip free thermal circuit breaker designed for automotive fuse block installation. Extends the benefits of circuit breaker performance and convenience to applications which are cost cri 325In Stock
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1610 Miniature Circuit Breakers Automotive 6 A 24 VDC 1 Pole Push to Reset - 40 C + 85 C Non-Illuminated
E-T-A Circuit Breakers MoQ=10 Non-Preferred Part (Build to Order) - Alternative Stocked Part Number 2210-S221-P1M1-Z241-12A 94 10In Stock
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2210-S2 Thermal Circuit Breakers Thermal Magnetic Toggle