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: 151,470
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 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 sui 6In Stock
$42.98
$37.16
$31.58
$29.56
$26.24
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 8 A 240 VAC 50 VDC 2 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-typ 10In Stock
$38.31
$32.91
$27.97
$23.28
$19.76
Min.: 1
Mult.: 1
Feb-00 Thermal Circuit Breakers Overcurrent Protection 200 mA 250 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 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 8In Stock
$29.42
$24.41
$20.71
$19.08
Min.: 1
Mult.: 1
3131-A/C Circuit Breakers Thermal 5 A 1 Pole Rocker
E-T-A Circuit Breakers Miniaturised single pole rocker switch/thermal circuit breaker combining ON/OFF switching and extremely fast overload performance in a single component (S-type TO CBE to EN 60934/IEC 934). Under overload conditions an internal neon (f 14In Stock
$29.04
$24.10
$22.22
$17.34
Min.: 1
Mult.: 1
1410-F1 Thermal Overcurrent 2 A 240 VAC 28 VDC 1 Pole Rocker - 20 C + 70 C 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 11In Stock
$43.54
$42.91
$26.87
$25.05
Min.: 1
Mult.: 1
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 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 8In Stock
$70.34
$58.36
$47.66
$41.90
Min.: 1
Mult.: 1
2-6400 Thermal Circuit Breakers Overcurrent Protection 200 mA 250 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 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 7In Stock
$38.63
$35.39
$30.06
$29.89
$27.16
Min.: 1
Mult.: 1
3120-N-T1 Thermal Circuit Breakers Overcurrent Protection 6 A 240 VAC 50 VDC 2 Pole Pushbutton Dual - 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
$51.02
$42.33
$36.26
$33.66
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection Rocker
E-T-A Circuit Breakers MoQ=10 508, 1P, DM, 48VDC, N/O, 3A 3In Stock
$111.96
$86.20
$79.84
$77.13
Min.: 1
Mult.: 1
ESX10-TC Circuit Breakers Electronic Slide


E-T-A Circuit Breakers 508, 1P, DM, 48VDC, N/O, 6A 1In Stock
3Expected 2026/11/02
$113.83
$97.35
$92.55
$89.69
Min.: 1
Mult.: 1
ESX10-TC Circuit Breakers Electronic Slide


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
$42.47
$35.24
$32.49
$27.23
Min.: 1
Mult.: 1
Thermal Circuit Breakers Overcurrent Protection 10 A 240 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Non-Illuminated
Eaton Electrical Circuit Breakers FAZ-NA 240VAC 2P 1A C CURVE ring term 3In Stock
$226.20
$176.66
$167.34
$148.02
Min.: 1
Mult.: 1
Circuit Breakers Miniature 1 A 240 VAC, 415 VAC 2 Pole Handle - 40 C + 75 C Non-Illuminated
Eaton Electrical Circuit Breakers FAZ 2P 13A D CURVE ring term 1In Stock
$531.32
$366.81
$351.03
Min.: 1
Mult.: 1
FAZ Circuit Breakers Miniature 13 A 240 VAC, 415 VAC 2 Pole Handle - 40 C + 75 C Non-Illuminated
Eaton Electrical Circuit Breakers FAZ UL 1077 2P 16A K CURVE 1In Stock
$433.58
$347.89
$328.35
Min.: 1
Mult.: 1
FAZ Circuit Breakers Miniature 16 A 240 VAC, 415 VAC 96 VDC 2 Pole Handle - 40 C + 75 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr, HydMag, 2 pl, 250VAC,2A 11In Stock
$57.62
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 7.5 A 1 Pole Rocker - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
$56.24
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal Rocker
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
$146.39
Min.: 1
Mult.: 1
IUG
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
$31.60
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal Rocker
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
$112.99
Min.: 1
Mult.: 1
Circuit Breakers Hydraulic Magnetic 1 Pole Handle Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 3In Stock
$126.64
Min.: 1
Mult.: 1
LEL/LML Circuit Breakers Hydraulic Magnetic 100 A 240 VAC 80 VDC 1 Pole Handle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 14In Stock
$18.71
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal Push to Reset
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
$49.64
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal Push to Reset
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
$19.65
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 10 A 1 Pole Rocker - 40 C + 85 C Non-Illuminated
Altech Circuit Breakers TR11 sup. prot.,cent.mou.,bl. 15In Stock
$8.62
$8.05
$7.79
$5.99
Min.: 1
Mult.: 1
Circuit Breakers Thermal 2.2 A 240 VAC 50 VDC 1 Pole Pushbutton - 20 C + 60 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr,HydMag 3In Stock
$100.29
Min.: 1
Mult.: 1
Circuit Breakers Magnetic Branch 100 A 120 VAC, 240 VAC 1 Pole Handle Non-Illuminated