Circuit Breakers

 Circuit Breakers
Circuit breakers are available at Mouser from industry 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, Siemens, TE Connectivity & more.
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Please view our large selection of circuit breakers below.
Results: 147,182
Select Image Part # Mfr. Description Datasheet Availability Pricing (GBP) 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
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 39In Stock
Min.: 1
Mult.: 1

IUGN Hydraulic Magnetic Circuit Breaker Hydraulic Magnetic 240 VAC 80 VDC 2 Pole Toggle - 40 C + 85 C Non-Illuminated
Weidmuller Circuit Breakers HB2206UC HYD.MCB UL489 2P,Curve2,6.0A 15In Stock
Min.: 1
Mult.: 1

HB Circuit Breaker Hydraulic Magnetic 6 A 120 VAC, 240 VAC 80 VDC 2 Pole Lever - 40 C + 85 C Non-Illuminated Bulk


Weidmuller Circuit Breakers 201-T3-6A
23In Stock
10On Order
Min.: 1
Mult.: 1

CB4201 AC

E-T-A Circuit Breakers Single pole, thermal miniaturised circuit breaker designed for automotive applications. Fits into fuse blocks designed to ISO 8820-3, Type F. Automatic reset (for DC 12 V only) and open circuit (modified reset to SAE) version optional. Open circuitve 320In Stock
Min.: 1
Mult.: 1

1620 Miniature Circuit Breaker Automotive 30 A 12 VDC 1 Pole - 40 C + 85 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-typ 54In Stock
Min.: 1
Mult.: 1

2-5700 Thermal Circuit Breaker Overcurrent Protection 38 A 250 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 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 protection of motors 419In Stock
Min.: 1
Mult.: 1

3120-N Thermal Circuit Breaker Overcurrent Protection 8 A 240 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Non-Illuminated

Phoenix Contact Circuit Breakers CBMC E4 24DC/1-10A S-R 97In Stock
Min.: 1
Mult.: 1

CBMC Circuit Breaker Electronic 40 A 24 VDC 1 Pole Pushbutton - 25 C + 60 C Illuminated


Schneider Electric Circuit Breakers TeSys MOTOR CB MAGNETIC 40A EVLK 4In Stock
3On Order
Min.: 1
Mult.: 1

GV Circuit Breaker Magnetic 40 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Schneider Electric Circuit Breakers MAN-START 600VAC 40AMP IEC 7In Stock
Min.: 1
Mult.: 1

GV
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 71In Stock
Min.: 1
Mult.: 1

1140 Miniature Circuit Breaker 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 41In Stock
Min.: 1
Mult.: 1

ESS31-T Circuit Breaker Electronic 3.6 A 24 VDC 1 Pole Pushbutton 0 C + 50 C Illuminated


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

Circuit Breaker Manual Motor Controller 125 VDC 3 Pole Lever - 40 C + 85 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 141In Stock
Min.: 1
Mult.: 1

104 Thermal Circuit Breaker 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 147In Stock
Min.: 1
Mult.: 1

4230-T Miniature Circuit Breaker Thermal Magnetic 30 A 415 VAC 3 Pole Toggle - 35 C + 70 C Non-Illuminated
Murrelektronik Circuit Breakers Mico Pro electronic circuit protection, 4 channel IN: 24 V DC OUT: 24 V DC / 4 A CL2 15In Stock
Min.: 1
Mult.: 1

9 Circuit Breaker MICO 40 A 12 VDC, 24 VDC 4 Pole - 25 C + 55 C Non-Illuminated Bulk
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 13In Stock
Min.: 1
Mult.: 1
IEL
AIRPAX Circuit Breakers CIRCUIT BREAKER 9In Stock
Min.: 1
Mult.: 1

IUGN Circuit Breaker Hydraulic Magnetic 20 A 240 VAC 80 VDC 2 Pole Toggle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 14In Stock
Min.: 1
Mult.: 1
IAL/IDL/IML/IUL Circuit Breaker Hydraulic Magnetic 7 A Handle - 40 C + 85 C Non-Illuminated


Schneider Electric Circuit Breakers TeSys MOTOR CB THO/MAG 62-73A EVLK 3In Stock
Min.: 1
Mult.: 1

GV Circuit Breaker Thermal Magnetic 73 A 690 VAC 3 Pole Rotary - 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), threadneck mounting. Approved to CBE standard EN 60934 (IEC 60934). For higher current rati 183In Stock
50On Order
Min.: 1
Mult.: 1

106-M2 Thermal Circuit Breaker Overcurrent Protection 3 A 240 VAC 48 VDC 1 Pole Push to Reset - 20 C + 60 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-typ 78In Stock
Min.: 1
Mult.: 1

2-5700 Thermal Circuit Breaker Overcurrent Protection 38 A 250 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated

Phoenix Contact Circuit Breakers CB TM1 6A F1 P 34In Stock
Min.: 1
Mult.: 1

CB TM1 6 A 240 VAC, 277 VAC 50 VDC 1 Pole Slide - 30 C + 60 C Non-Illuminated
AIRPAX Circuit Breakers CIRCUIT BREAKER 13In Stock
Min.: 1
Mult.: 1

IEG Hydraulic Magnetic Circuit Breaker Hydraulic Magnetic Handle
E-T-A Circuit Breakers Single, two and three pole magnetic circuit breakers with trip-free mechanism and push/pull on/off manual actuation. A choice of fast magnetic only or hydraulically delayed switching characteristics (Stype MO or HM CBE to EN 60934) en 14In Stock
Min.: 1
Mult.: 1
8340-G Hydraulic Magnetic Circuit Breaker Thermal Magnetic 20 mA 240 VAC, 415 VAC 80 VDC 1 Pole Toggle - 40 C + 85 C Non-Illuminated