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: 161,516
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
Siemens Circuit Breakers RKR 3VA51 3P 15A 65KA FTAM 2In Stock
$1,086.56
Min.: 1
Mult.: 1
3VA Thermal Magnetic Circuit Breakers System Protection 15 A 690 VAC 500 VDC 3 Pole Paddle - 25 C + 70 C Non-Illuminated


E-T-A Circuit Breakers Single pole, thermal miniaturised circuit breaker designed for automotive applications. Fits into fuse blocks designed to ISO 8820-3, Type F. Automatic reset (for DC 12 V only) and open circuit (modified reset to SAE) version optional. Open circuitve 378In Stock
$10.75
$10.03
$9.47
$7.48
Min.: 1
Mult.: 1
1620 Miniature Circuit Breakers Automotive 7.5 A 24 VDC 1 Pole Push to Reset - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 9In Stock
$177.47
$154.98
$107.71
$94.64
Min.: 1
Mult.: 1
217 Circuit Breakers Hydraulic Magnetic 20 A 3 Pole Handle - 40 C + 85 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 83In Stock
$61.66
$52.57
$48.61
$42.68
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 16 A 240 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr,HydMag 18In Stock
$102.28
$89.29
$62.08
$54.55
Min.: 1
Mult.: 1
Siemens Circuit Breakers Circuit breaker screw-type 84 A 3In Stock
$1,092.84
Min.: 1
Mult.: 1
3RV2 Circuit Breakers Motor Protection 84 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers BRKR 3VA52 3P 250A 35KA FTFM 1In Stock
$2,440.97
Min.: 1
Mult.: 1
3VA Thermal Magnetic Circuit Breakers System Protection 250 A 690 VAC 750 VDC 3 Pole Paddle - 25 C + 70 C Non-Illuminated


E-T-A Circuit Breakers Single pole miniaturised magnetic circuit breakers with unique high-speed operating mechanism and push/pull on/off manual actuation. Fitted with electrically separate excitation and switching circuits, and one pair of auxiliary contac 103In Stock
$62.71
$52.02
$48.93
$38.35
Min.: 1
Mult.: 1
808 400 mA 24 VDC 1 Pole Pushbutton - 30 C + 70 C Non-Illuminated
Eaton Electrical Circuit Breakers FAZ 2P 16A C CURVE ring term 13In Stock
$482.36
$399.58
$368.26
Min.: 1
Mult.: 1
FAZ Circuit Breakers Miniature 16 A 240 VAC, 415 VAC 2 Pole Handle - 40 C + 75 C Non-Illuminated


AIRPAX Circuit Breakers Cir Brkr Hyd Mag 4In Stock
$335.45
$293.00
$203.57
$178.88
Min.: 1
Mult.: 1
Circuit Breakers Manual Motor Controller 100 A 120 VAC, 240 VAC 3 Pole Handle Non-Illuminated
ABB Circuit Breakers XT5H 400 E.DIP LS/I 400 3P UL 2In Stock
$3,052.76
Min.: 1
Mult.: 1
SACE Tmax XT
Siemens Circuit Breakers BRKR 3VA51 3P 80A 25KA FTFM AL 2In Stock
$973.14
Min.: 1
Mult.: 1
3VA Thermal Magnetic Circuit Breakers System Protection 80 A 690 VAC 500 VDC 3 Pole Paddle - 25 C + 70 C Non-Illuminated
Square D Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 90A 1In Stock
$1,701.26
Min.: 1
Mult.: 1
HGF
Eaton Electrical Circuit Breakers FAZ 3P 16A D CURVE ring term 3In Stock
$788.16
$523.15
$498.98
Min.: 1
Mult.: 1
FAZ Circuit Breakers Miniature 16 A 240 VAC, 415 VAC 3 Pole Handle - 40 C + 75 C Non-Illuminated
Schneider Electric Circuit Breakers Multi9 C60BPR 1P C 30A 10kA 277V UL489 21In Stock
4Expected 11/16/2026
$126.00
Min.: 1
Mult.: 1
Multi9
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 160In Stock
$22.68
$16.55
$15.40
$13.23
Min.: 1
Mult.: 1
106-M2 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 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 69In Stock
$42.94
$37.80
$32.93
$30.67
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


AIRPAX Circuit Breakers Cir Brkr Hyd Mag 63In Stock
$21.32
$20.94
$20.28
$19.22
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 15 A 250 VAC 65 VDC 1 Pole Push-Pull - 40 C + 85 C Non-Illuminated
Siemens Circuit Breakers MSP S0 9 - 12.5A SCREW 9In Stock
$327.41
$271.30
$250.11
$222.33
Min.: 1
Mult.: 1
3RV2 Circuit Breakers Motor Protection 12.5 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Phoenix Contact Circuit Breakers CAPAROC E2 12-24DC/2-10A EX 43In Stock
$94.29
Min.: 1
Mult.: 1
Circuit Breakers Electronic 10 A 12 VDC, 24 VDC 2 Pole - 30 C + 65 C
E-T-A Circuit Breakers Single, two and three pole magnetic circuit breakers with trip-free mechanism and push/pull on/off manual actuation. A choice of fast magnetic only or hydraulically delayed switching characteristics (Stype MO or HM CBE to EN 60934) en 13In Stock
$219.99
$182.34
$165.48
$138.91
Min.: 1
Mult.: 1
8340-G Hydraulic Magnetic Circuit Breakers Thermal Magnetic 20 mA 240 VAC, 415 VAC 80 VDC 1 Pole Toggle - 40 C + 85 C Non-Illuminated


E-T-A Circuit Breakers Single pole thermal-magnetic circuit breaker with tease-free, trip-free, snap action mechanism and two button operation (M-type TM CBE to EN 60934). Designed for plug-in mounting with E-T-A sockets 17-P10-Si, 23-P10-Si, 63-P10-Si; or 42In Stock
$124.94
$102.05
$96.19
$89.90
Min.: 1
Mult.: 1
3600 Thermal Circuit Breakers Thermal Magnetic 3 A 240 VAC 65 VDC 1 Pole Pushbutton Dual - 30 C + 60 C Non-Illuminated
E-T-A Circuit Breakers Single pole miniaturised magnetic circuit breakers with unique high-speed operating mechanism and push/pull on/off manual actuation. Fitted with electrically separate excitation and switching circuits, and one pair of auxiliary contac 42In Stock
$61.79
$51.38
$46.94
$39.37
Min.: 1
Mult.: 1
808 Circuit Breakers Miniature 500 mA 24 VDC 1 Pole Pushbutton - 30 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), PCB mounting. Miniaturised construction minimises PCB real estate required. Type 1410-L2 features chang 160In Stock
$14.95
$11.44
$10.81
$9.41
Min.: 1
Mult.: 1
1410-L2 Thermal Circuit Breakers Overcurrent Protection 3.15 A 240 VAC 28 VDC 1 Pole Rocker - 20 C + 70 C Non-Illuminated


E-T-A Circuit Breakers 508, 1P, DM, 24VDC, 1CH, 4A, No Comm
43In Stock
$52.54
$44.21
$41.20
$37.00
Min.: 1
Mult.: 1
REX12-T Circuit Breakers Electronic 4 A 24 VDC 1 Pole Push to Reset - 25 C + 60 C Illuminated