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: 151,470
Select Image Part # Mfr. Description Datasheet Availability Pricing (EUR) 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 3In Stock
€86.23
Min.: 1
Mult.: 1
LEL/LML Circuit Breakers Hydraulic Magnetic 1 Pole Handle Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
€78.91
Min.: 1
Mult.: 1
AIRPAX Circuit Breakers CIRCUIT BREAKER 11In Stock
€23.41
Min.: 1
Mult.: 1
213 Thermal Circuit Breakers Thermal 15 A 1 Pole Push-Pull - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
€39.21
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 1 A 2 Pole Push to Reset - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers CIRCUIT BREAKER 3In Stock
€51.62
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 8.5 A 2 Pole Push to Reset - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr, HydMag, 2 pl, 250VAC, 10A, rocker hndl 1In Stock
€20.16
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 30 A 250 VAC 65 VDC 1 Pole Paddle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
€46.75
Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 2 Pole Paddle
ABB Circuit Breakers MCB S200MUC 2P K 8A AC/DC 1In Stock
€215.07
€171.59
€161.20
€146.64
Min.: 1
Mult.: 1
Circuit Breakers 8 A 2 Pole
ABB Circuit Breakers MCB ST200M 3P D 10A UL1077
Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK
5In Stock
€165.09
€136.90
€119.88
€107.78
Min.: 1
Mult.: 1
ST200M Circuit Breakers 10 A 3 Pole
Siemens Circuit Breakers Circuit breaker UL489 45 A 1In Stock
€1,153.39
Min.: 1
Mult.: 1
3RV2 Circuit Breakers System Protection 45 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 1P+N 240V 6A 7.5K D-TRIP 5In Stock
€110.48
€91.92
€88.03
€81.57
Min.: 1
Mult.: 1
Circuit Breakers Miniature 6 A 230 VAC 60 VDC 2 Pole Lever - 40 C + 70 C Non-Illuminated
Schneider Electric Circuit Breakers TRIP UNIT NSX100 AC 3P3D 100A 2.2 1In Stock
€733.09
Min.: 1
Mult.: 1
Square D Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 30A 3In Stock
€307.90
Min.: 1
Mult.: 1
QO Circuit Breakers Miniature 30 A 120 VAC, 240 VAC 3 Pole Lever Non-Illuminated
Square D Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 15A 1In Stock
€57.64
Min.: 1
Mult.: 1
IDEC Circuit Breakers Circuit Protector 30A
Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK
4In Stock
€25.23
€20.76
€19.49
€18.14
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
€88.24
€76.32
€68.41
€58.81
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
€95.68
€82.59
€74.37
€63.77
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
€212.36
€151.67
€147.34
€145.86
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
E-T-A Circuit Breakers 1077, 1P, DM, 277VAC/65VDC,M1, 1NO AUX, 2.5A 5In Stock
€52.20
€43.30
€35.89
€32.26
Min.: 1
Mult.: 1
2210-T2 Thermal Circuit Breakers Thermal Magnetic Toggle
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) integral type. Approved to CBE standard EN 60934 (IEC 60934). For higher current ratings see 31In Stock
€19.50
€17.75
€16.27
€12.33
Min.: 1
Mult.: 1
104 Thermal Circuit Breakers Overcurrent Protection 500 mA 240 VAC 48 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
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 9In Stock
€19.50
€17.75
€16.27
€12.33
Min.: 1
Mult.: 1
104 Thermal Circuit Breakers Overcurrent Protection 300 mA 240 VAC 48 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
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 38In Stock
€19.50
€17.75
€16.27
€12.33
Min.: 1
Mult.: 1
104 Thermal Circuit Breakers Overcurrent Protection 700 mA 240 VAC 48 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
E-T-A Circuit Breakers 1077, 1P, DM, 277VAC/65VDC,M1, 1NC AUX, 0.2A 1In Stock
€52.20
€42.49
€40.62
€37.95
Min.: 1
Mult.: 1
2210-T2 Thermal Circuit Breakers Thermal Magnetic Toggle
E-T-A Circuit Breakers 1077, 1P, DM, 277VAC/65VDC,M1, 1NC AUX, 2A 1In Stock
€52.20
€42.49
€40.62
€37.95
Min.: 1
Mult.: 1
2210-T2 Thermal Circuit Breakers Thermal Magnetic 2 A 250 VAC, 433 VAC 65 VDC 1 Pole Toggle - 30 C + 60 C Non-Illuminated
E-T-A Circuit Breakers 1077, 1P, DM, 277VAC/65VDC,T1, 1NC AUX, 20A 1In Stock
€47.13
€42.18
€40.88
€39.33
Min.: 1
Mult.: 1
2210-T2 Thermal Circuit Breakers Thermal Magnetic Toggle