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: 162,061
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
IDEC Circuit Breakers Circuit Protector 3A 2In Stock
$36.00
$29.97
$28.16
$26.26
Min.: 1
Mult.: 1
NRA Circuit Breakers Magnetic 3 A 250 VAC 65 VDC 1 Pole Lever - 40 C + 85 C Non-Illuminated
IDEC Circuit Breakers Circuit Protector 1A 3In Stock
$29.34
$24.47
$23.20
$21.58
Min.: 1
Mult.: 1
NRA Circuit Breakers Magnetic 1 A 250 VAC 65 VDC 1 Pole Lever - 40 C + 85 C Non-Illuminated
IDEC Circuit Breakers Circuit Protector 20A 4In Stock
$29.34
$24.25
$22.73
$21.12
Min.: 1
Mult.: 1
NRA Circuit Breakers Magnetic 20 A 250 VAC 65 VDC 1 Pole Lever - 40 C + 85 C Non-Illuminated


E-T-A Circuit Breakers Very cost effective design to meet international requirements. No exposed metal parts which are current-carrying except for terminals. R-type TO CBE to EN 60934. Units built to order. For requests under 500 pcs contact Customer Servi 2In Stock
$7.28
$6.93
$6.68
$5.05
Min.: 1
Mult.: 1
1658 Thermal Circuit Breakers Overcurrent Protection 10 A 240 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
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 8In Stock
$50.03
$41.50
$33.78
$29.90
$29.12
Min.: 1
Mult.: 1
Circuit Breakers Overcurrent Protection
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 5In Stock
$50.02
$41.49
$38.27
$32.00
Min.: 1
Mult.: 1
2-6500 Circuit Breakers Overcurrent Protection
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 2In Stock
3Expected 12/11/2026
$213.19
$160.01
$137.09
Min.: 1
Mult.: 1
482 Thermal Circuit Breakers Thermal 50 A 125 VAC 28 VDC 1 Pole Push-Pull - 55 C + 75 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 19In Stock
$37.58
$31.18
$25.34
$24.78
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 15 A 115 VAC 50 VDC 1 Pole Rocker - 30 C + 60 C Illuminated
E-T-A Circuit Breakers Single pole 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 position. Thr 5In Stock
4Expected 09/11/2026
$132.33
$109.72
$101.17
$84.89
Min.: 1
Mult.: 1
412 Circuit Breakers Thermal 3 A 115 VAC 28 VDC 1 Pole Push-Pull - 55 C + 75 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-type with push-push 10In Stock
$38.78
$32.16
$29.67
$23.39
Min.: 1
Mult.: 1
Feb-00 Thermal Circuit Breakers Overcurrent Protection 400 mA 250 VAC 28 VDC 1 Pole Push to Reset - 20 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 10In Stock
$63.50
$52.68
$48.58
$41.55
Min.: 1
Mult.: 1
808 2.5 A 24 VDC 1 Pole Pushbutton - 30 C + 70 C Non-Illuminated
E-T-A Circuit Breakers Single and multipole magnetic circuit breakers with trip-free mechanism and toggle actuation. A choice of fast magnetic only or hydraulically delayed switching characteristics (S-type MO or HM CBE to EN 60934) ensures suitability for 1In Stock
$89.54
$74.28
$69.84
$58.63
Min.: 1
Mult.: 1
8340-F Hydraulic Magnetic Circuit Breakers Thermal Magnetic 15 A 240 VAC, 415 VAC 80 VDC 1 Pole Toggle - 40 C + 85 C Non-Illuminated


E-T-A Circuit Breakers Single and multipole magnetic circuit breakers with trip-free mechanism and toggle actuation. A choice of fast magnetic only or hydraulically delayed switching characteristics (S-type MO or HM CBE to EN 60934) ensures suitability for 8In Stock
$90.15
$74.78
$70.31
$59.02
Min.: 1
Mult.: 1
8340-F Hydraulic Magnetic Circuit Breakers Thermal Magnetic 5 A 240 VAC, 415 VAC 80 VDC 1 Pole Toggle - 40 C + 85 C Non-Illuminated


E-T-A Circuit Breakers 5In Stock
$51.00
$42.31
$39.03
$33.57
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection Rocker
E-T-A Circuit Breakers AC PEM, w/ 2 pole , 3A, white rocker, C14 std filtered inlet, pre-wired 10In Stock
$67.78
$56.23
$51.87
$42.93
Min.: 1
Mult.: 1
Thermal Circuit Breakers Overcurrent Protection 3 A 240 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Non-Illuminated
E-T-A Circuit Breakers AC PEM, w/ 2 pole , 15A, white rocker, C20 inlet, pre-wired 7In Stock
$46.13
$38.27
$35.31
$30.00
Min.: 1
Mult.: 1
Thermal Circuit Breakers Overcurrent Protection 15 A 240 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Non-Illuminated
Eaton Electrical Circuit Breakers FAZ UL 1077 4P 50A C CURVE 1In Stock
$924.63
Min.: 1
Mult.: 1
FAZ Circuit Breakers Miniature 50 A 240 VAC, 415 VAC 4 Pole Handle - 40 C + 75 C Non-Illuminated

Sensata Technologies Circuit Breakers 3In Stock
$101.82
$93.32
$86.16
$86.15
Min.: 1
Mult.: 1
IUGN


Sensata Technologies Circuit Breakers 3In Stock
$74.44
$74.43
Min.: 1
Mult.: 1

AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
$188.03
$164.22
$114.11
$100.24
Min.: 1
Mult.: 1
Circuit Breakers 40 A 3 Pole Toggle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
$110.94
$96.94
$67.37
$59.17
Min.: 1
Mult.: 1
IUG Circuit Breakers 30 A 2 Pole Toggle - 40 C + 85 C Non-Illuminated


AIRPAX Circuit Breakers 1In Stock
$81.99
$77.68
$73.37
$70.06
$67.44
Min.: 1
Mult.: 1
Circuit Breakers Hydraulic Magnetic 240 VAC 80 VDC 2 Pole Toggle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr,HydMag 2In Stock
$94.69
$82.75
$57.45
$50.52
Min.: 1
Mult.: 1
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
$42.84
$40.36
$39.17
$37.12
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 15 A 2 Pole Push to Reset - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers 1In Stock
$78.94
Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 5 A 2 Pole Rocker - 40 C + 85 C Non-Illuminated