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: 159,531
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 CIRCUIT BREAKER 1In Stock
$88.07
Min.: 1
Mult.: 1


AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
$175.24
$153.06
$106.39
$93.51
Min.: 1
Mult.: 1
IAL/IDL/IML/IUL Circuit Breakers Hydraulic Magnetic 250 VAC 80 VDC 1 Pole Handle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
$78.83
$68.82
$47.81
$42.07
Min.: 1
Mult.: 1
IAL/IDL/IML/IUL Circuit Breakers Hydraulic Magnetic 5 A 250 VAC 80 VDC 1 Pole Handle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr, HydMag, 1 pl, 80VDC,10A, UL489A 1In Stock
$18.00
$16.98
$16.44
$15.59
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 6 A 1 Pole Push-Pull - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
$25.43
$23.91
$23.18
$21.99
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 1 Pole Rocker - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
$42.84
$40.36
$39.17
$37.12
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 10 A 1 Pole Rocker - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 3In Stock
$42.84
$40.36
$39.17
$37.12
Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 20 A 1 Pole Rocker - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr,HydMag 2In Stock
$162.95
$142.37
$98.92
$86.90
Min.: 1
Mult.: 1
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
$107.64
$94.04
$65.37
$57.45
Min.: 1
Mult.: 1
IAL/IDL/IML/IUL Circuit Breakers Hydraulic Magnetic 5 A 250 VAC 80 VDC 1 Pole Handle - 40 C + 85 C Non-Illuminated
ABB Circuit Breakers MCB ST200M 2P D 25A UL1077 5In Stock
$131.16
$106.61
$96.00
$88.22
Min.: 1
Mult.: 1
ST200M Circuit Breakers 25 A 2 Pole
ABB Circuit Breakers MCB ST200M 3P K 8A UL1077 5In Stock
$191.97
$159.19
$139.40
$127.44
Min.: 1
Mult.: 1
ST200M Circuit Breakers 8 A 3 Pole
ABB Circuit Breakers UL489 MCB 1P C 63A 240 2In Stock
$81.82
$63.07
$59.34
$53.89
Min.: 1
Mult.: 1
SU200M Circuit Breakers 63 A 1 Pole
ABB Circuit Breakers 15A 1P 120VAC PLUG IN AFCI COMBO 12In Stock
$121.43
$100.68
$92.84
$76.79
$70.89
Min.: 1
Mult.: 1
Circuit Breakers 15 A 1 Pole
ABB Circuit Breakers CIRCUIT BREAKER 3P 30A 240 10KA 3In Stock
$609.95
$467.68
$445.79
Min.: 1
Mult.: 1
Circuit Breakers 30 A 3 Pole
Siemens Circuit Breakers CIRCUIT BREAKER. SCREW-TYPE. 14 A 2In Stock
$737.18
$635.76
$620.83
Min.: 1
Mult.: 1
3RV2 Circuit Breakers Motor Protection 14 A 690 VAC 3 Pole Rotary - 50 C + 60 C Non-Illuminated
Siemens Circuit Breakers BRKR 3VA11 1P 80A 25KA FTFM BOX 1In Stock
$337.77
$294.44
$284.87
Min.: 1
Mult.: 1
3VA Circuit Breakers Line Protection 80 A 415 VAC 125 VDC 1 Pole Paddle - 25 C + 70 C Non-Illuminated
Siemens Circuit Breakers BRKR 3VA51 3P 100A 25KA ATAM 1In Stock
$915.15
Min.: 1
Mult.: 1
3VA Thermal Magnetic Circuit Breakers System Protection 100 A 690 VAC 500 VDC 3 Pole Paddle - 25 C + 70 C Non-Illuminated
Siemens Circuit Breakers MCB 5SJ4 1P 240V 6A SAME PH 14K B-TRIP 6In Stock
$81.30
$64.69
$59.95
$57.98
Min.: 1
Mult.: 1
Circuit Breakers Miniature 6 A 240 VAC 60 VDC 1 Pole Lever - 25 C + 55 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY6 3P 480V 0.1A 5K C-TRIP 3In Stock
$228.76
$164.57
$150.28
$138.30
Min.: 1
Mult.: 1
Siemens Circuit Breakers DOOR,15"x18" 1In Stock
$390.86
$353.42
Min.: 1
Mult.: 1
Siemens Circuit Breakers BREAKER 15A 1P 120240V 10K HID BL 1In Stock
$231.38
$209.18
$194.03
$177.91
Min.: 1
Mult.: 1
IDEC Circuit Breakers Circuit Protector 30A 4In Stock
$29.34
$24.14
$22.66
$21.09
Min.: 1
Mult.: 1
NRA Circuit Breakers Magnetic 30 A 250 VAC 65 VDC 1 Pole Lever - 40 C + 85 C Non-Illuminated


E-T-A Circuit Breakers The 3120-N...4 IP65 rated 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...4 is ideally suited for overload p 6In Stock
$102.60
$88.74
$79.55
$68.38
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection Rocker
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 protection of motors 6In Stock
$111.25
$96.04
$86.48
$74.15
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 20 A 240 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Non-Illuminated
E-T-A Circuit Breakers MoQ=10 Non-Preferred Part (Build to Order) - Alternative Stocked Part Number 2210-S221-P1M1-Z241-15A 94 3In Stock
$246.93
$176.36
$171.32
$169.60
Min.: 1
Mult.: 1
2210-S2 Thermal Circuit Breakers Thermal Magnetic 16 A 250 VAC, 433 VAC 65 VDC 2 Pole Toggle - 30 C + 60 C Non-Illuminated