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: 152,031
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
AIRPAX Circuit Breakers Cir Brkr,HydMag 24In Stock
$149.39
Min.: 1
Mult.: 1
Circuit Breakers 30 A 2 Pole Toggle - 40 C + 85 C Non-Illuminated
Siemens Circuit Breakers MSP S0 3.5 - 5A SCREW 29In Stock
$289.95
$247.52
$218.50
$187.51
Min.: 1
Mult.: 1
3RV2 Circuit Breakers Motor Protection 5 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Schneider Electric Circuit Breakers MAN-START 600VAC 40AMP IEC 6In Stock
$398.59
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), threadneck mounting. Approved to CBE standard EN 60934 (IEC 60934). For higher current rati 162In Stock
$22.68
$17.79
$16.44
$16.40
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 70In Stock
$42.95
$37.81
$32.94
$30.68
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


Weidmuller Circuit Breakers CB4201-10, 15.0A/TS35 83In Stock
$99.68
$85.33
$75.49
$64.34
$59.92
Min.: 1
Mult.: 1
CB4201 AC
Phoenix Contact Circuit Breakers TCP 8 AMPS 527In Stock
$17.29
Min.: 1
Mult.: 1
TCP Circuit Breakers Thermal 8 A 250 VAC 65 VDC 1 Pole Reset Button - 20 C + 60 C Non-Illuminated Bulk


AIRPAX Circuit Breakers Cir Brkr Hyd Mag 63In Stock
$23.09
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
$319.01
$264.30
$241.24
$211.43
Min.: 1
Mult.: 1
3RV2 Circuit Breakers Motor Protection 12.5 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MCB 5SJ4 2P 480/277 6A 10K D-TRIP 12In Stock
$162.95
$143.37
$133.23
$115.39
Min.: 1
Mult.: 1
5SJ4 Circuit Breakers Miniature 6 A 277 VAC, 480 VAC 60 VDC 2 Pole Lever - 25 C + 55 C Non-Illuminated
Eaton Electrical Circuit Breakers QBHW 3P 100A 240VAC MAX 22KAIC 1In Stock
$1,593.48
Min.: 1
Mult.: 1


E-T-A Circuit Breakers MoQ=10 Non-Preferred Part (Build to Order) - Alternative Stocked Part Number 2210-S211-P1M1-Z141-20A 93 9In Stock
$246.94
$204.68
$193.59
$169.64
Min.: 1
Mult.: 1
2210-S2 Thermal Circuit Breakers Thermal Magnetic 20 A 250 VAC, 433 VAC 65 VDC 1 Pole Toggle - 30 C + 60 C Non-Illuminated
TE Connectivity / Raychem Circuit Breakers 30AMP 277VAC TOGGLE 2 POLE 16In Stock
144Expected 2027/01/11
$235.69
$206.39
Min.: 1
Mult.: 1
W6 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 30 A 277 VAC 2 Pole Toggle - 40 C + 85 C Non-Illuminated
ABB Circuit Breakers ASM CIRCUIT BREAKER 480V 1In Stock
$5,224.79
Min.: 1
Mult.: 1
Circuit Breakers 150 A 480 VAC 250 VDC 3 Pole Non-Illuminated


E-T-A Circuit Breakers Single pole compact high performance thermal circuit breaker with tease-free, trip-free, snap action mechanism and push/pull on/off manual actuation (M-type TO CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off posit 1In Stock
$246.54
$186.70
$169.36
Min.: 1
Mult.: 1
482-G Thermal Circuit Breakers 6 A 115 VAC 28 VDC 1 Pole Push-Pull - 55 C + 75 C Non-Illuminated


AIRPAX Circuit Breakers 3In Stock
$106.62
$101.02
$95.41
$91.21
Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 7.5 A 2 Pole Rocker - 40 C + 85 C Non-Illuminated
E-T-A Circuit Breakers Single pole compact high performance thermal circuit breaker with tease-free, trip-free, snap action mechanism and push/pull on/off manual actuation (M-type TO CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off posit 25In Stock
$177.25
$146.99
$136.97
$113.99
Min.: 1
Mult.: 1
482 Thermal Circuit Breakers Thermal 35 A 115 VAC 28 VDC 1 Pole Push-Pull - 55 C + 75 C Non-Illuminated
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 15A WH 8In Stock
72Expected 2027/04/12
$299.34
Min.: 1
Mult.: 1
W6 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 15 A 277 VAC 2 Pole Toggle - 40 C + 85 C Non-Illuminated
ABB Circuit Breakers UL489 MCB 3P Z 40A 480/277 10In Stock
$213.74
$177.15
$164.39
Min.: 1
Mult.: 1
SU200M Circuit Breakers 40 A 3 Pole

E-T-A Circuit Breakers Bimetal operated single pole motor protection controls with automatic reset actuation, small physical size, reliable snap-action mechanism. Caution: In specifying these 2 products, care should be taken to ensure that automatic motor 92In Stock
$39.97
$33.17
$30.59
$26.50
Min.: 1
Mult.: 1
2-6500 Circuit Breakers Overcurrent Protection 2 A 250 VAC 28 VDC 1 Pole - 10 C + 60 C Non-Illuminated
E-T-A Circuit Breakers Single pole high performance thermal-magnetic circuit breaker, with tease-free, trip-free, snap action mechanism and push/pull on/off actuation (M-type TM CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off position. 13In Stock
$337.96
$302.02
Min.: 1
Mult.: 1
452 Circuit Breakers Thermal Magnetic 100 A 28 VDC 1 Pole Pushbutton - 55 C + 75 C Non-Illuminated


TE Connectivity / P&B Circuit Breakers 0.75A PUSH TO RESET 523In Stock
$8.13
$7.04
$6.75
$6.11
$5.99
Min.: 1
Mult.: 1
W28 Thermal Circuit Breakers Thermal Magnetic 750 mA 250 VAC 32 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated


TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER THERMAL 13A BLK 535In Stock
$4.69
$4.18
$4.01
$3.78
Min.: 1
Mult.: 1
W28 Thermal Circuit Breakers Thermal Magnetic 13 A 250 VAC 32 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
TE Connectivity / P&B Circuit Breakers 3A PUSH TO RESET 1,417In Stock
$11.89
$9.41
$9.11
Min.: 1
Mult.: 1
W58 Thermal Circuit Breakers Thermal Magnetic 3 A 250 VAC 50 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated


TE Connectivity / P&B Circuit Breakers 16A Push to Reset 6.35 Strt Quick Conn 252In Stock
$9.13
$8.13
$6.88
$6.54
Min.: 1
Mult.: 1
W58 Thermal Circuit Breakers Thermal Magnetic 16 A 250 VAC 50 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated Tray