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: 151,550
Select Image Part # Mfr. Description Datasheet Availability Pricing (CAD) 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. Ret 68In Stock
Min.: 1
Mult.: 1

1410-L1 Thermal Circuit Breakers Overcurrent Protection 800 mA 240 VAC 28 VDC 1 Pole Rocker - 20 C + 70 C Non-Illuminated
E-T-A Circuit Breakers Min Ord Qty 10. 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 1In Stock
Min.: 1
Mult.: 1
Thermal Circuit Breakers Overcurrent Protection Rocker
E-T-A Circuit Breakers 10 pc min. 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 protectio 4In Stock
Min.: 1
Mult.: 1
Thermal Circuit Breakers Overcurrent Protection Rocker


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 17In 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
E-T-A Circuit Breakers 1077, 1P, PL, 277VAC/65VDC, T1, 1NC AUX INT and ON, 1.5A 1In Stock
Min.: 1
Mult.: 1

2210-S2 Thermal Circuit Breakers Thermal Magnetic Toggle


E-T-A Circuit Breakers 1077, 1P, DM, 277VAC/65VDC,F2, 1NO AUX, 16A 4In Stock
Min.: 1
Mult.: 1

2210-T2 Thermal Circuit Breakers Thermal Magnetic Toggle
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) for PCB mounting. Approved to CBE standard EN 60934 (IEC 60934). For higher current ratings see type 1140. 9In Stock
Min.: 1
Mult.: 1

Thermal Circuit Breakers Overcurrent Protection 2 A 240 VAC 48 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
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 48In Stock
Min.: 1
Mult.: 1

104 Thermal Circuit Breakers Overcurrent Protection 8 A 240 VAC 48 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
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) for PCB mounting. Approved to CBE standard EN 60934 (IEC 60934). For higher current ratings 29In Stock
Min.: 1
Mult.: 1

104 Thermal Circuit Breakers Overcurrent Protection 700 mA 240 VAC 48 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
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) for PCB mounting. Approved to CBE standard EN 60934 (IEC 60934). For higher current ratings 48In Stock
Min.: 1
Mult.: 1

104 Thermal Circuit Breakers Overcurrent Protection 1.2 A 240 VAC 48 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
E-T-A Circuit Breakers 508, 1P, DM, 24VDC, RE, SF, ATX, 0.5A 1In Stock
Min.: 1
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ESX10-T-E Circuit Breakers Electronic 500 mA 24 VDC 1 Pole Slide - 25 C + 60 C Illuminated
E-T-A Circuit Breakers Thermal circuit breaker, with controlled self-resetting mechanism, specially suited to installation in inaccessible locations. Under overload conditions the circuit breaker contacts will open to protect the load circuit. A low current 5In Stock
Min.: 1
Mult.: 1

1160 Thermal Circuit Breakers Thermal 15 A 12 VDC 1 Pole - 30 C + 60 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 22In Stock
50Expected 2026-10-02
Min.: 1
Mult.: 1

1170 Miniature Circuit Breakers Automotive 4 A 28 VDC 1 Pole Push to Reset - 40 C + 85 C Non-Illuminated
E-T-A Circuit Breakers Min Ord Qty 10. 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 2In Stock
Min.: 1
Mult.: 1
Thermal Circuit Breakers Overcurrent Protection Rocker
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 12In Stock
Min.: 1
Mult.: 1

3130-F Thermal Overcurrent 16 A 415 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Illuminated
E-T-A Circuit Breakers Single pole thermal circuit breaker with push-to-reset, tease-free, trip-free, snap action mechanism (R-type TO CBE to EN 60934; M-type when fitted with optional manual release feature). Available in versions for plug-in or integral m 5In Stock
Min.: 1
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127 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 Single pole thermal circuit breaker with push-to-reset, tease-free, trip-free, snap action mechanism (R-type TO CBE to EN 60934; M-type when fitted with optional manual release feature). Available in versions for plug-in or integral m 9In Stock
Min.: 1
Mult.: 1

127 Thermal Circuit Breakers Overcurrent Protection 25 A 250 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C 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 89In Stock
250Expected 2026-08-03
Min.: 1
Mult.: 1

1610 Miniature Circuit Breakers Automotive 25 A 24 VDC 1 Pole Push to Reset - 40 C + 85 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 8In Stock
Min.: 1
Mult.: 1

2-5700 Thermal Circuit Breakers Overcurrent Protection 600 mA 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-typ 6In Stock
Min.: 1
Mult.: 1

2-5700 Thermal Circuit Breakers Overcurrent Protection 800 mA 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-typ 10In Stock
Min.: 1
Mult.: 1

2-5700 Thermal Circuit Breakers Overcurrent Protection 5 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-typ 1In Stock
Min.: 1
Mult.: 1

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 ETA Circuit Breakers 9In Stock
Min.: 1
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2-6400 Thermal Circuit Breakers Overcurrent Protection 300 mA 250 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated


E-T-A Circuit Breakers 1077, 1P, plug, 24VDC, Aux Cont, 3A/6A 1In Stock
Min.: 1
Mult.: 1
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 4In Stock
10Expected 2026-10-16
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 15 A 115 VAC 50 VDC 1 Pole Rocker - 30 C + 60 C Illuminated