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: 151,471
Select Image Part # Mfr. Description Datasheet Availability Pricing (EUR) 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
Siemens Circuit Breakers MCB 5SJ4 3P 240V 45A 10K D-TRIP 1In Stock
€259.37
€214.93
€200.11
€175.26
Min.: 1
Mult.: 1
Circuit Breakers Miniature 45 A 240 VAC 60 VDC 3 Pole Lever - 25 C + 55 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 3P 480V 0.5A 5K D-TRIP 1In Stock
€174.87
€148.81
€133.63
€113.80
Min.: 1
Mult.: 1
Circuit Breakers Miniature 500 mA 400 VAC 3 Pole Lever - 40 C + 70 C Non-Illuminated
Schneider Electric Circuit Breakers Acti9 iC60H 4P D 16A MCB 1In Stock
2On Order
€344.03
Min.: 1
Mult.: 1


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 20In Stock
€32.11
€27.61
€19.37
€17.89
Min.: 1
Mult.: 1
2-5700 Thermal Circuit Breakers Overcurrent Protection Push to Reset
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 10In Stock
€69.60
€46.07
€45.42
€36.64
Min.: 1
Mult.: 1
3130-F Thermal Overcurrent 15 A 415 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Non-Illuminated
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). Single hole threadneck mounting. Type 1410-G1 features changeover contacts suitable for providing statu 36In Stock
€16.45
€14.83
€13.59
€10.57
Min.: 1
Mult.: 1
1410-G1 Thermal Circuit Breakers Overcurrent Protection 2.5 A 240 VAC 28 VDC 1 Pole Rocker - 20 C + 70 C Non-Illuminated
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). Single hole threadneck mounting. Type 1410-G1 features changeover contacts suitable for providing statu 14In Stock
€16.71
€15.05
€13.80
€10.73
Min.: 1
Mult.: 1
1410-G1 Thermal Circuit Breakers Overcurrent Protection 6.3 A 240 VAC 28 VDC 1 Pole Rocker - 20 C + 70 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 pro 9In Stock
€62.17
€46.69
€43.40
€38.27
€34.29
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection Rocker
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 16In Stock
€19.50
€17.75
€16.27
€12.33
Min.: 1
Mult.: 1
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 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 38In Stock
€19.50
€13.92
€12.66
€11.51
Min.: 1
Mult.: 1
104 Thermal Circuit Breakers Overcurrent Protection 3 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), threadneck mounting. Approved to CBE standard EN 60934 (IEC 60934). For higher current rati 40In Stock
€19.58
€17.83
€16.34
€12.71
€10.51
Min.: 1
Mult.: 1
106-M2 Thermal Circuit Breakers Overcurrent Protection 1.6 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), threadneck mounting. Approved to CBE standard EN 60934 (IEC 60934). For higher current rati 40In Stock
€19.58
€14.27
€12.99
€11.79
Min.: 1
Mult.: 1
106-M2 Thermal Circuit Breakers Overcurrent Protection 500 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), threadneck mounting. Approved to CBE standard EN 60934 (IEC 60934). For higher current rati 27In Stock
€19.58
€17.83
€16.34
€11.96
Min.: 1
Mult.: 1
106-M2 Thermal Circuit Breakers Overcurrent Protection 7 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), threadneck mounting. Approved to CBE standard EN 60934 (IEC 60934). For higher current rati 44In Stock
€19.58
€17.83
€16.34
€12.71
€10.51
Min.: 1
Mult.: 1
106-M2 Thermal Circuit Breakers Overcurrent Protection 8.5 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), threadneck mounting. Approved to CBE standard EN 60934 (IEC 60934). For higher current rati 49In Stock
€19.58
€17.83
€16.34
€12.71
€10.51
Min.: 1
Mult.: 1
106-M2 Thermal Circuit Breakers Overcurrent Protection 9 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), threadneck mounting. Approved to CBE standard EN 60934 (IEC 60934). For higher current rati 43In Stock
€19.58
€17.83
€16.34
€12.65
Min.: 1
Mult.: 1
106-M2 Thermal Circuit Breakers Overcurrent Protection 500 mA 240 VAC 48 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated


E-T-A Circuit Breakers 1077, 1P, DM, 277VAC/65VDC,M1, 1NC AUX, 1A 8In Stock
€52.25
€47.02
€37.95
€36.99
Min.: 1
Mult.: 1
2210-T2 Thermal Circuit Breakers Thermal Magnetic 1 A 250 VAC, 433 VAC 65 VDC 1 Pole Toggle - 30 C + 60 C Non-Illuminated


E-T-A Circuit Breakers 1077, 1P, DM, 277VAC/65VDC,M1, 1NC AUX, 32A 3In Stock
€52.30
€42.49
€40.62
€37.95
Min.: 1
Mult.: 1
2210-T2 Thermal Circuit Breakers Thermal Magnetic Toggle
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 21In Stock
€17.64
€15.88
€14.56
€11.33
Min.: 1
Mult.: 1
1170 Miniature Circuit Breakers Automotive 7.5 A 28 VDC 1 Pole Push to Reset - 40 C + 85 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 5In Stock
€49.60
€41.15
€37.95
€32.65
Min.: 1
Mult.: 1
127 Thermal Circuit Breakers Overcurrent Protection 20 A 250 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
E-T-A Circuit Breakers Miniaturised single pole thermal-magnetic circuit breakers with trip-free mechanism and toggle actuation (S-type TM CBE to EN 60934). Two designs provide the option of either printed circuit board or threadneck panel mounting. A separ 8In Stock
€88.06
€73.66
€59.12
€54.85
Min.: 1
Mult.: 1
2215 Thermal Circuit Breakers Thermal Magnetic Toggle


E-T-A Circuit Breakers Miniaturised single pole thermal-magnetic circuit breakers with trip-free mechanism and toggle actuation (S-type TM CBE to EN 60934). Two designs provide the option of either printed circuit board or threadneck panel mounting. A separ 5In Stock
€91.74
€77.45
€64.84
€60.33
Min.: 1
Mult.: 1
2215 Thermal Circuit Breakers Thermal Magnetic Toggle


E-T-A Circuit Breakers Single pole thermal circuit breakers with push-to-reset, tease-free, trip-free, snap action mechanism (R type TO CBE to EN 60934). Featuring auxiliary contacts (1 x N/C; 1 x N/O) as standard. Options include an additional unprotected 3In Stock
€63.32
€52.53
€46.22
€40.87
Min.: 1
Mult.: 1
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 Miniaturised single pole thermal-magnetic circuit breakers with trip-free mechanism and toggle actuation (S-type TM CBE to EN 60934). Two designs provide the option of either printed circuit board or threadneck panel mounting. A separ 8In Stock
€88.05
€73.65
€62.92
€56.08
Min.: 1
Mult.: 1
2215 Thermal Circuit Breakers Thermal Magnetic Toggle


E-T-A Circuit Breakers Single pole thermal circuit breaker with press-to-reset, tease-free, trip-free, snap action mechanism. Type 2-5000 is available with optional manual release (-H), (R-type TO CBE to EN 60934 in press-to-reset configuration; M-type when 8In Stock
€46.48
€38.55
€35.56
€29.66
Min.: 1
Mult.: 1
2-5000 Thermal Circuit Breakers Overcurrent Protection Push to Reset