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: 162,060
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 Hyd Mag 2In Stock
$188.03
$164.22
$114.11
$100.24
Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 25 A 3 Pole Handle - 40 C + 85 C Non-Illuminated

AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
$197.19
$172.21
$119.65
$105.20
Min.: 1
Mult.: 1
Circuit Breakers 30 A 3 Pole Rocker - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
$160.14
$139.85
$97.21
$85.38
Min.: 1
Mult.: 1
IEL Circuit Breakers Hydraulic Magnetic 10 A 2 Pole Handle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
$103.93
$90.80
$63.06
$55.40
Min.: 1
Mult.: 1
IUG Circuit Breakers 2 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
IUGH Circuit Breakers 5 A 2 Pole Toggle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
$176.30
$153.99
$106.98
$94.04
Min.: 1
Mult.: 1
IEL
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
$21.48
$20.21
$19.61
$18.63
Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal Push-Pull
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
$42.68
$40.15
$38.96
$36.91
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 3 A 250 VAC 65 VDC 1 Pole Rocker - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
$82.47
$77.66
$75.35
$71.45
Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 20 A 2 Pole Rocker - 40 C + 85 C
AIRPAX Circuit Breakers Cir Brkr,HydMag 1In Stock
$136.35
$119.12
$82.81
$72.77
Min.: 1
Mult.: 1
ABB Circuit Breakers MCB S200MUC 1P Z 8A AC/DC 5In Stock
$133.63
$110.81
$97.03
$88.18
Min.: 1
Mult.: 1
Circuit Breakers 8 A 1 Pole
ABB Circuit Breakers MCB S200MUC 2P C 25A AC/DC 5In Stock
$250.08
$189.37
$179.16
$158.01
Min.: 1
Mult.: 1
Circuit Breakers 25 A 2 Pole
ABB Circuit Breakers MCB ST200M 1P K 1.6A UL1077 11In Stock
$56.92
$47.22
$43.55
$36.57
Min.: 1
Mult.: 1
ST200M Circuit Breakers 1.6 A 1 Pole
ABB Circuit Breakers MCB SU200MR RTT 2P K 25A BCP 3In Stock
2Expected 25/01/2027
$159.25
$141.28
$129.20
$112.21
Min.: 1
Mult.: 1
SU200MR Circuit Breakers 25 A 2 Pole
ABB Circuit Breakers UL489 MCB 3P C 1A 480/277 1In Stock
10Expected 09/07/2027
$191.20
$156.84
$144.73
Min.: 1
Mult.: 1
SU200M Circuit Breakers 1 A 3 Pole
ABB Circuit Breakers MCB SU200MR RTT 3P K 40A BCP 1In Stock
10Expected 23/11/2026
$237.41
$211.37
$193.74
$172.90
Min.: 1
Mult.: 1
SU200MR Circuit Breakers 40 A 3 Pole
Square D Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 15A 3In Stock
$358.02
Min.: 1
Mult.: 1
QO Circuit Breakers Miniature 15 A 120 VAC, 240 VAC 3 Pole Lever Non-Illuminated
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 9In Stock
10Expected 18/11/2026
$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