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: 151,473
Select Image Part # Mfr. Description Datasheet Availability Pricing (SGD) 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


AIRPAX Circuit Breakers Cir Brkr Hyd Mag 4In Stock
$456.21
$398.48
$276.86
$243.28
Min.: 1
Mult.: 1
Circuit Breakers Manual Motor Controller 100 A 120 VAC, 240 VAC 3 Pole Handle Non-Illuminated
Square D Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 90A 1In Stock
$2,313.71
Min.: 1
Mult.: 1
HGF
Eaton Electrical Circuit Breakers FAZ 3P 16A D CURVE ring term 3In Stock
$1,071.90
$711.48
$678.61
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 16/11/2026
$171.36
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) for PCB mounting. Approved to CBE standard EN 60934 (IEC 60934). For higher current ratings 131In Stock
$30.86
$24.03
$21.92
$19.76
Min.: 1
Mult.: 1
104 Thermal Circuit Breakers Overcurrent Protection 10 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 108In Stock
$47.65
$39.54
$34.71
$30.27
Min.: 1
Mult.: 1
2-5700 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 1077, 3P, DM, 480VAC/60VDC, D, 30A 130In Stock
$50.13
$43.74
$40.41
$37.01
Min.: 1
Mult.: 1
4230-T Miniature Circuit Breakers Thermal Magnetic 30 A 415 VAC 3 Pole Toggle - 35 C + 70 C Non-Illuminated


Phoenix Contact Circuit Breakers CAPAROC E2 12-24DC/2-10A 152In Stock
$126.67
Min.: 1
Mult.: 1
CAPAROC E2 Circuit Breakers Electronic 10 A 24 VDC 2 Pole Lever - 30 C + 65 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 12In Stock
$230.19
$209.43
$145.49
$127.89
Min.: 1
Mult.: 1
IEL
AIRPAX Circuit Breakers CIRCUIT BREAKER 9In Stock
$187.53
$170.64
$118.55
$104.18
Min.: 1
Mult.: 1
IUGN Circuit Breakers Hydraulic Magnetic 10 A 240 VAC 80 VDC 2 Pole Toggle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr,HydMag 14In Stock
$124.48
$113.25
$78.68
$69.16
Min.: 1
Mult.: 1
IAL/IDL/IML/IUL Circuit Breakers Hydraulic Magnetic 7 A Handle - 40 C + 85 C Non-Illuminated
Siemens Circuit Breakers MSP S00 2.8-4A AUX 1NO 1NC SCREW 10In Stock
$462.55
$387.27
$363.81
Min.: 1
Mult.: 1
3RV2 Circuit Breakers Motor Protection 4 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S2 CLASS 10 42-52A SCREW 7In Stock
$898.55
$789.59
$741.77
Min.: 1
Mult.: 1
3RV2 Circuit Breakers Motor Protection 52 A 690 VAC 3 Pole Rotary - 20 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 85In Stock
$83.86
$71.50
$66.11
$58.04
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
$139.10
$121.43
$84.43
$74.19
Min.: 1
Mult.: 1
Siemens Circuit Breakers Circuit breaker screw-type 84 A 3In Stock
$1,486.26
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
$3,241.68
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
Phoenix Contact Circuit Breakers CAPAROC E2 12-24DC/2-10A EX 43In Stock
$128.23
Min.: 1
Mult.: 1
Circuit Breakers Electronic 10 A 12 VDC, 24 VDC 2 Pole - 30 C + 65 C
E-T-A Circuit Breakers 508, 1P, DM, 24VDC, 2CH, ,4A/4A, No Comm CL2 46In Stock
$134.63
$116.82
$99.92
$96.64
Min.: 1
Mult.: 1
Push to Reset
ABB Circuit Breakers XT4H 250 TMF 200-2000 3P F F UL/CSA 3In Stock
$2,414.24
Min.: 1
Mult.: 1
SACE Tmax XT
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 313In Stock
$14.67
$12.19
$11.25
$9.33
Min.: 1
Mult.: 1
1610 Miniature Circuit Breakers Automotive 6 A 24 VDC 1 Pole Push to Reset - 40 C + 85 C Non-Illuminated
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
$299.19
$247.98
$225.05
$188.92
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
$169.92
$138.79
$130.82
$122.26
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 43In Stock
$83.99
$69.78
$63.84
$53.65
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
$20.33
$15.56
$14.70
$12.80
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