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.
More...


Please view our large selection of circuit breakers below.

Results: 151,470
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) 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 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
$54.07
$44.85
$37.90
$34.49
$31.47
Min.: 1
Mult.: 1
2-5000 Thermal Circuit Breakers Overcurrent Protection Push to Reset
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 4In Stock
$37.87
$31.40
$26.96
$24.85
Min.: 1
Mult.: 1
2-5700 Thermal Circuit Breakers Overcurrent Protection 15 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 3In Stock
$43.08
$35.74
$29.32
$26.18
$24.42
Min.: 1
Mult.: 1
2-5700 Thermal Circuit Breakers Overcurrent Protection 16 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 13In Stock
30Expected 2026/12/25
$60.05
$49.82
$45.95
$36.84
$31.81
Min.: 1
Mult.: 1
2-5700 Thermal Circuit Breakers Overcurrent Protection 38 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 8In Stock
$37.12
$30.81
$26.20
$24.13
Min.: 1
Mult.: 1
2-5700 Thermal Circuit Breakers Overcurrent Protection 16 A 250 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
E-T-A Circuit Breakers Single pole thermal-magnetic circuit breakers with tease-free, trip-free, press-to-reset, snap action mechanism (R-type TM CBE to EN 60934; M-type with manual release (-H). Available with fast acting and standard magnetic tripping cha 1In Stock
$116.40
$83.82
$79.24
$73.94
Min.: 1
Mult.: 1
3300 Thermal Circuit Breakers Thermal Magnetic 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 7In Stock
$58.39
$48.44
$40.12
$36.08
Min.: 1
Mult.: 1
3130-F Circuit Breakers Thermal 3 A 240 VAC, 415 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Non-Illuminated


E-T-A Circuit Breakers Min Ord Qty 10. 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 5In Stock
$42.41
$35.18
$29.76
$28.47
Min.: 1
Mult.: 1
3130-F 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 20In Stock
$35.83
$33.79
$33.77
$33.18
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 20 A 240 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Illuminated
E-T-A Circuit Breakers The 3120-N...4 IP65 rated 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...4 is ideally suite 9In Stock
$43.01
$35.68
$29.26
$26.14
$24.39
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 1 A 240 VAC 50 VDC 1 Pole Rocker - 30 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 9In Stock
$37.04
$34.04
$28.92
$28.07
$24.57
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 10 A 240 VAC 50 VDC 2 Pole Rocker - 30 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 8In Stock
$60.34
$50.06
$40.83
$39.66
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 1 A 240 VAC 50 VDC 2 Pole Rocker - 30 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 8In Stock
$44.51
$36.93
$31.55
$29.47
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 5 A 240 VAC 50 VDC 2 Pole Rocker - 30 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 10In Stock
$51.01
$42.32
$39.82
$33.79
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 5 A 230 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C 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 10In Stock
$52.36
$44.61
$42.71
$39.64
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 1 A 240 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Non-Illuminated
E-T-A Circuit Breakers The 3120-N...4 IP65 rated 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...4 is ideally suite 9In Stock
$55.34
$45.90
$38.04
$34.18
$32.20
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 1 A 230 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Illuminated


E-T-A Circuit Breakers Single pole thermal-magnetic circuit breakers with tease-free, trip-free, press-to-reset, snap action mechanism (R-type TM CBE to EN 60934; M-type with manual release (-H). Available with fast acting and standard magnetic tripping cha 2In Stock
$96.72
$73.78
$64.93
$60.24
Min.: 1
Mult.: 1
3300 Thermal Circuit Breakers Thermal Magnetic Push to Reset
E-T-A Circuit Breakers Single pole thermal-magnetic circuit breakers with tease-free, trip-free, press-to-reset, snap action mechanism (R-type TM CBE to EN 60934; M-type with manual release (-H).Available with fast acting and standard magnetic tripping char 3In Stock
$99.91
$76.21
$67.07
$62.23
Min.: 1
Mult.: 1
3400 Thermal Circuit Breakers Thermal Magnetic Push to Reset


E-T-A Circuit Breakers Single pole thermal-magnetic circuit breakers with tease-free, trip-free, press-to-reset, snap action mechanism (R-type TM CBE to EN 60934; M-type with manual release (-H). Available with fast acting and standard magnetic tripping cha 6In Stock
$90.43
$75.01
$63.87
$56.95
Min.: 1
Mult.: 1
3400 Thermal Circuit Breakers Thermal Magnetic 400 mA 240 VAC 65 VDC 1 Pole Push to Reset - 30 C + 60 C Non-Illuminated


E-T-A Circuit Breakers Single pole thermal-magnetic circuit breakers with tease-free, trip-free, press-to-reset, snap action mechanism (R-type TM CBE to EN 60934; M-type with manual release (-H). Available with fast acting and standard magnetic tripping cha 3In Stock
$79.99
$60.08
$54.84
$48.50
Min.: 1
Mult.: 1
3400 Thermal Circuit Breakers Thermal Magnetic 10 A 240 VAC 65 VDC 1 Pole Push to Reset - 30 C + 60 C Non-Illuminated


E-T-A Circuit Breakers The 3120-N...4 IP65 rated 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...4 is ideally suit 5In Stock
$49.42
$40.98
$31.83
$29.49
$26.17
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 16 A 240 VAC 50 VDC 1 Pole Rocker - 30 C + 60 C 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 1In Stock
$20.34
$15.98
$14.60
$13.07
Min.: 1
Mult.: 1
1410-G1 Thermal Circuit Breakers Overcurrent Protection 5 A 240 VAC 28 VDC 1 Pole Rocker - 20 C + 70 C Non-Illuminated
E-T-A Circuit Breakers 1077, 1P, DM, 277VAC/60VDC, C, 8A 1In Stock
$18.11
$15.34
$14.49
$13.57
Min.: 1
Mult.: 1
4230-T Miniature Circuit Breakers Thermal Magnetic Toggle
E-T-A Circuit Breakers 489, 2P, DM, 480VAC/60VDC,D, 5A 7In Stock
$71.89
$55.98
$42.68
Min.: 1
Mult.: 1
4230-T Miniature Circuit Breakers Thermal Magnetic 5 A 415 VAC 125 VDC 2 Pole Toggle - 35 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 prot 3In Stock
$37.59
$31.18
$26.53
$24.67
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 10 A 115 VAC 50 VDC 1 Pole Rocker - 30 C + 60 C Illuminated