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 (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 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
$14.96
$11.44
$10.82
$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
$49.40
$44.22
$41.21
$37.01
Min.: 1
Mult.: 1
REX12-T Circuit Breakers Electronic 4 A 24 VDC 1 Pole Push to Reset - 25 C + 60 C Illuminated
AIRPAX Circuit Breakers Cir Brkr,HydMag 13In Stock
$183.38
Min.: 1
Mult.: 1
IEL
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 48In Stock
$44.55
Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 15 A 2 Pole Push-Pull - 40 C + 85 C Non-Illuminated
Siemens Circuit Breakers MSP,GROUP TAP,S00,CL10,1.1-1.6A,SCREW 10In Stock
$392.87
$326.51
$296.88
Min.: 1
Mult.: 1
3RV1 Circuit Breakers Motor Protection 1.6 A 690 VAC 3 Pole Toggle - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S0 11-16A SCREW W/AUX 1NO/1NC 6In Stock
$399.80
$337.35
$316.92
Min.: 1
Mult.: 1
3RV2 Circuit Breakers Motor Protection 16 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S2 CLASS 10 28-36A SCREW 6In Stock
$548.96
$482.39
$453.17
Min.: 1
Mult.: 1
3RV2 Circuit Breakers Motor Protection 36 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers TMCB UL489 S00 3.2A SCREW 4In Stock
$557.79
$490.13
$460.47
Min.: 1
Mult.: 1
3RV2 Circuit Breakers System Protection 3.2 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MCB 5SJ4 2P 240V 10A 14K C-TRIP 38In Stock
$162.92
$142.55
$134.62
$110.86
Min.: 1
Mult.: 1
5SJ4 Circuit Breakers Miniature 10 A 240 VAC 60 VDC 2 Pole Lever - 25 C + 55 C Non-Illuminated
E-T-A Circuit Breakers 508, 1P, DM, 24VDC, 2CH, ,4A/4A, No Comm CL2 46In Stock
$99.01
$85.91
$73.48
$71.07
Min.: 1
Mult.: 1
Push to Reset
ABB Circuit Breakers XT4H 250 TMF 200-2000 3P F F UL/CSA 3In Stock
$1,775.49
Min.: 1
Mult.: 1
SACE Tmax XT
AIRPAX Circuit Breakers 93In Stock
$20.60
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 5 A 1 Pole Push-Pull - 40 C + 85 C Non-Illuminated
ABB Circuit Breakers RCD F200 2P 40A 100MA 480Y/277 3In Stock
$675.33
$597.70
$538.60
Min.: 1
Mult.: 1
F200
Siemens Circuit Breakers MCSW 3VA53 3P 400A 65KA 1In Stock
$3,176.30
Min.: 1
Mult.: 1
3VA Thermal Magnetic Circuit Breakers System Protection 400 A 690 VAC 500 VDC 3 Pole Paddle - 25 C + 70 C Non-Illuminated
Siemens Circuit Breakers BRKR 3VA62 3P 250A 65KA ETU3-LI AL 1In Stock
$4,069.20
Min.: 1
Mult.: 1
3VA Electronic Circuit Breakers System Protection 250 A 690 VAC 3 Pole Paddle - 25 C + 70 C Non-Illuminated
Siemens Circuit Breakers BRKR ED4 2P 480V 20A 1In Stock
$1,793.74
Min.: 1
Mult.: 1
Circuit Breakers Low Voltage 20 A 480 VAC 2 Pole Handle Non-Illuminated
Eaton Electrical Circuit Breakers FAZ 3P 16A D CURVE ring term 3In Stock
$788.30
$523.25
$515.98
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 2026/11/16
$126.02
Min.: 1
Mult.: 1
Multi9
Schneider Electric Circuit Breakers MotBreak GV4PE Therm/Mag 115A 50kA Elink 1In Stock
$1,031.22
Min.: 1
Mult.: 1
GV


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
$22.69
$17.68
$16.12
$14.54
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
$35.04
$29.08
$25.53
$22.26
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
$36.87
$32.17
$29.71
$27.21
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
$103.02
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
$183.38
Min.: 1
Mult.: 1
IEL
AIRPAX Circuit Breakers CIRCUIT BREAKER 9In Stock
$149.39
Min.: 1
Mult.: 1
IUGN Circuit Breakers Hydraulic Magnetic 10 A 240 VAC 80 VDC 2 Pole Toggle - 40 C + 85 C Non-Illuminated