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: 151,466
Select Image Part # Mfr. Description Datasheet Availability Pricing (SGD) 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 Type Minimum Operating Temperature Maximum Operating Temperature Illuminated Packaging
E-T-A Circuit Breakers Single pole press-to-reset thermal circuit breaker with extremely fast overload switching performance (R-type TO CBE to EN 60934). Miniaturised construction minimises PCB real estate required. Largely temperature-insensitive.x -E. Returning the rocke 43In Stock
Min.: 1
Mult.: 1

1410-L4 Thermal Overcurrent 2.25 A 240 VAC 28 VDC 1 Pole Rocker - 20 C + 70 C Non-Illuminated
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 1In Stock
Min.: 1
Mult.: 1

482-G Thermal Circuit Breakers Thermal 40 A 125 VAC 28 VDC 1 Pole Push-Pull - 55 C + 75 C Non-Illuminated


E-T-A Circuit Breakers AC PEM, w/ 2 pole breaker, 5A, black pushbutton, C14 inlet, pre-wired 10In Stock
Min.: 1
Mult.: 1
Thermal Circuit Breakers Overcurrent Protection 5 A 240 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Non-Illuminated Bulk
E-T-A Circuit Breakers Single pole high performance thermal circuit breaker, with push-to-reset tease free, trip-free snap action mechanism (R-type TO CBE to EN 60934). Designed for threadneck panel mounting and for applications with a high fault current sw 2In Stock
10Expected 23/10/2026
Min.: 1
Mult.: 1
4130 Thermal Circuit Breakers Thermal Magnetic Push-Pull
E-T-A Circuit Breakers Single and multipole magnetic circuit breakers with trip-free mechanism and toggle actuation. A choice of fast magnetic only or hydraulically delayed switching characteristics (S-type MO or HM CBE to EN 60934) ensures suitability for 10In Stock
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Mult.: 1

8340-F Hydraulic Magnetic Circuit Breakers Thermal Magnetic 20 A 240 VAC, 415 VAC 80 VDC 1 Pole Toggle - 40 C + 85 C Non-Illuminated
E-T-A Circuit Breakers Single and multipole magnetic circuit breakers with trip-free mechanism and toggle actuation. A choice of fast magnetic only or hydraulically delayed switching characteristics (S-type MO or HM CBE to EN 60934) ensures suitability for 2In Stock
Min.: 1
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8340-F Hydraulic Magnetic Circuit Breakers Thermal Magnetic 40 A 240 VAC, 415 VAC 80 VDC 3 Pole Toggle - 40 C + 85 C Non-Illuminated
E-T-A Circuit Breakers Single and multipole magnetic circuit breakers with trip-free mechanism and toggle actuation. A choice of fast magnetic only or hydraulically delayed switching characteristics (S-type MO or HM CBE to EN 60934) ensures suitability for 3In Stock
Min.: 1
Mult.: 1

8340-F Hydraulic Magnetic Circuit Breakers Thermal Magnetic 20 A 240 VAC, 415 VAC 80 VDC 1 Pole Toggle - 40 C + 85 C Non-Illuminated
E-T-A Circuit Breakers Single, two and three pole rocker switch/thermal trip free circuit breakers (S-type TO CBE to EN 60934) of compact design for snap-in panel mounting. Available either with protection on one/both/all poles or, in the case of the double pole version, p 1In Stock
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3130-F Circuit Breakers Thermal 1 A 240 VAC, 415 VAC 50 VDC 1 Pole Rocker - 30 C + 60 C Non-Illuminated
E-T-A Circuit Breakers Single pole thermal circuit breaker with press-to-reset, tease-free, trip-free, snap action mechanism. Type 2-5700 can be supplied as a push-push switch/circuit breaker (R-type TO CBE to EN 60934 in press-to-reset configuration; S-type with push-push 5In Stock
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2-5700 Thermal Circuit Breakers Overcurrent Protection 10 A 250 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
E-T-A Circuit Breakers Single pole thermal circuit breaker with press-to-reset, tease-free, trip-free, snap action mechanism. Type 2-5700 can be supplied as a push-push switch/circuit breaker (R-type TO CBE to EN 60934 in press-to-reset configuration; S-type with push-push 7In Stock
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2-5700 Thermal Circuit Breakers Overcurrent Protection 8 A 250 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
E-T-A Circuit Breakers MoQ=10 1077, 1p, DIN, 240/415VAC Med Delay, N/O Aux, 2A 8In Stock
Min.: 1
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8340-T Hydraulic Magnetic Circuit Breakers Thermal Magnetic Toggle
Eaton Electrical Circuit Breakers FAZ-NA UL 489 MCB 480VAC 4P 2A C CURVE 2In Stock
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FAZ Circuit Breakers Miniature 2 A 240 VAC, 415 VAC 4 Pole Handle - 40 C + 75 C Non-Illuminated
Eaton Electrical Circuit Breakers FAZ-NA UL 489 MCB 240VAC 4P 40A D CURVE 1In Stock
Min.: 1
Mult.: 1
FAZ Circuit Breakers Miniature 40 A 240 VAC, 415 VAC 4 Pole Handle - 40 C + 75 C Non-Illuminated
TE Connectivity Circuit Breakers CIRCUIT BREAKER TERMAL 15A 150In Stock
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W57 Thermal Circuit Breakers Thermal Magnetic 15 A 125 VAC 50 VDC 1 Pole Push to Reset 0 C + 60 C Non-Illuminated
Altech Circuit Breakers 6A,MCB D CHAR 1 PL, 277VAC, UL1077 3In Stock
Min.: 1
Mult.: 1

UR 6 A 277 VAC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 20A,MCB B CHAR 3PL 480Y/277VAC, UL1077 3In Stock
Min.: 1
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UR Circuit Breakers B-Trip 20 A 277 VAC 3 Pole Handle - 25 C + 55 C Non-Illuminated
Murrelektronik Circuit Breakers MICO BASIC 5.2/3.6 ELEC AUX CIRCUIT, 8 CHANNELS, IN: 24VDC OUT: 5x24V/2ADC 3x24V/6ADC 3In Stock
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9 Circuit Breakers MICO 2 A, 6 A 24 VDC 8 Pole 0 C + 55 C Non-Illuminated Bulk
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
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IAL/IDL/IML/IUL Circuit Breakers Hydraulic Magnetic 1 Pole Handle Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
Min.: 1
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Circuit Breakers 25 A 1 Pole Toggle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 35 A 3 Pole Handle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 4In Stock
Min.: 1
Mult.: 1
IEL Circuit Breakers Hydraulic Magnetic 25 A 1 Pole Handle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
Min.: 1
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IAL/IDL/IML/IUL Circuit Breakers Hydraulic Magnetic 1 A 1 Pole Handle Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 30 A 1 Pole Rocker - 40 C + 85 C Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 15 A 1 Pole Rocker - 40 C + 85 C Non-Illuminated
ABB Circuit Breakers MCB ST200M 2P C 40A UL1077 10In Stock
Min.: 1
Mult.: 1
ST200M Circuit Breakers 40 A 2 Pole