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: 151.562
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 Type Minimum Operating Temperature Maximum Operating Temperature Illuminated Packaging
ABB Circuit Breakers MCB ST200M 2P C 20A UL1077
39In Stock
Min.: 1
Mult.: 1
ST200M Circuit Breakers 20 A 2 Pole
Siemens Circuit Breakers MCSW 3VA53 3P 400A 65KA 1In Stock
Min.: 1
Mult.: 1
3VA Thermal Magnetic Circuit Breakers System Protection 400 A 690 VAC 500 VDC 3 Pole Paddle - 25 C + 70 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 40In Stock
50Expected 17/08/2026
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 16 A 240 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr,HydMag 29In Stock
Min.: 1
Mult.: 1
Siemens Circuit Breakers BRKR 3VA52 3P 250A 35KA FTFM 1In Stock
Min.: 1
Mult.: 1
3VA Thermal Magnetic Circuit Breakers System Protection 250 A 690 VAC 750 VDC 3 Pole Paddle - 25 C + 70 C Non-Illuminated


TE Connectivity / P&B Circuit Breakers 7A PUSH TO RESET 8.629In Stock
Min.: 1
Mult.: 1

W28 Thermal Circuit Breakers Thermal Magnetic 7 A 250 VAC 32 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated Tray
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 30A BLK 158In Stock
Min.: 1
Mult.: 1

W9 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 30 A 277 VAC 1 Pole Toggle - 40 C + 85 C Non-Illuminated


E-T-A Circuit Breakers MoQ=10 Non-Preferred Part (Build to Order) - Alternative Stocked Part Number 2210-S211-P1M1-Z141-8A 92 10In Stock
Min.: 1
Mult.: 1

2210-S2 Thermal Circuit Breakers Thermal Magnetic Toggle
E-T-A Circuit Breakers Single pole switch/thermal circuit breaker (S-type TO CBE to EN 60934) with tease-free, trip-free, snap action mechanism. Designed for snap-in panel mounting utilising round hole or industry standard fuse-holder cut-out dimensions. Fe 93In Stock
Min.: 1
Mult.: 1

1110-Fx12-P1M1 Circuit Breakers Thermal 2.5 A 250 VAC 50 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr, HydMag, 1 pl, 32VDC/125VAC, 15A 88In Stock
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 20 A 1 Pole Rocker - 40 C + 85 C Non-Illuminated
ABB Circuit Breakers XT4N 250 EKIPLS/I IN=150A3PFFUL/CSA
3In Stock
Min.: 1
Mult.: 1
SACE Tmax XT
Siemens Circuit Breakers BRKR 3VA53 3P 350A 35KA FTAM 1In Stock
Min.: 1
Mult.: 1
3VA Thermal Magnetic Circuit Breakers System Protection 350 A 690 VAC 500 VDC 3 Pole Paddle - 25 C + 70 C Non-Illuminated
E-T-A Circuit Breakers Single pole thermal-magnetic circuit breakers with tease-free, trip-free, press-to-reset, snap action mechanism (R-type TM CBE to EN 60934; M-type with manual release (-H). Available with fast acting and standard magnetic tripping cha 69In Stock
Min.: 1
Mult.: 1

3400 Thermal Circuit Breakers Thermal Magnetic Push to Reset
ABB Circuit Breakers XT4H 250 TMF 250-2500 3P F F UL/CSA
2In Stock
Min.: 1
Mult.: 1
SACE Tmax XT


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 141In Stock
Min.: 1
Mult.: 1

104 Thermal Circuit Breakers Overcurrent Protection 10 A 240 VAC 48 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated


E-T-A Circuit Breakers 1077, 3P, DM, 480VAC/60VDC, D, 30A 146In Stock
Min.: 1
Mult.: 1

4230-T Miniature Circuit Breakers Thermal Magnetic 30 A 415 VAC 3 Pole Toggle - 35 C + 70 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 168In Stock
Min.: 1
Mult.: 1

808 400 mA 24 VDC 1 Pole Pushbutton - 30 C + 70 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 12In Stock
Min.: 1
Mult.: 1
IEL
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 14In Stock
Min.: 1
Mult.: 1
IAL/IDL/IML/IUL Circuit Breakers Hydraulic Magnetic 7 A Handle - 40 C + 85 C Non-Illuminated
E-T-A Circuit Breakers Miniaturised double pole thermal circuit breaker with push-to-reset tease-free, trip-free, snap action mechanism (R-type TO CBE to EN 60934). Threadneck panel mounting. Suitable for line and neutral switching - the thermal actuator op 65In Stock
Min.: 1
Mult.: 1

1140 Miniature Circuit Breakers Overcurrent Protection 15 A 240 VAC 48 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated


E-T-A Circuit Breakers Single, two and three pole rocker switch/thermal trip free circuit breakers (S-type TO CBE to EN 60934) of compact design for snap-in panel mounting. Available either with protection on one/both/all poles or, in the case of the double 190In Stock
Min.: 1
Mult.: 1

3130-F Thermal Overcurrent 12 A 415 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Illuminated
E-T-A Circuit Breakers 1077, 1p, DN, 24VDC, N/O Aux, 3.6A 36In Stock
Min.: 1
Mult.: 1

ESS31-T Circuit Breakers Electronic 3.6 A 24 VDC 1 Pole Pushbutton 0 C + 50 C 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 176In Stock
Min.: 1
Mult.: 1

3120-N Thermal Circuit Breakers Overcurrent Protection 3 A 240 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Non-Illuminated


AIRPAX Circuit Breakers Cir Brkr Hyd Mag 7In Stock
Min.: 1
Mult.: 1

Circuit Breakers Manual Motor Controller 125 VDC 3 Pole Lever - 40 C + 85 C Non-Illuminated


Weidmuller Circuit Breakers CB4201-10, 2.5A/TS35 14In Stock
Min.: 1
Mult.: 1
CB4201 AC