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: 1,51,463
Select Image Part # Mfr. Description Datasheet Availability Pricing (INR) 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
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
120In Stock
Min.: 1
Mult.: 1

3130-F Thermal Overcurrent 7 A 415 VAC 50 VDC 2 Pole - 30 C + 60 C Non-Illuminated
Eaton Electrical Circuit Breakers QCR Brk 2P 30A 240 Vac 10Kiac ring terms
3In Stock
Min.: 1
Mult.: 1
QCR Thermal Circuit Breakers Miniature 30 A 240 VAC 2 Pole - 40 C + 75 C Non-Illuminated
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 - 25 C + 70 C Non-Illuminated


E-T-A Circuit Breakers 508, 1P, DM, 48VDC, N/O, 10A
43In Stock
90Expected 25-09-2026
Min.: 1
Mult.: 1
ESX10-TC Circuit Breakers Electronic 10 A 48 VDC 1 Pole - 25 C + 60 C Illuminated
ABB Circuit Breakers MCB S800S 2P C 20A
3In Stock
Min.: 1
Mult.: 1
Circuit Breakers 20 A 2 Pole
Siemens Circuit Breakers BRKR 3VA51 3P 40A 25KA FTFM
5In Stock
Min.: 1
Mult.: 1
3VA Thermal Magnetic Circuit Breakers System Protection 40 A 690 VAC 500 VDC 3 Pole - 25 C + 70 C Non-Illuminated
Schneider Electric Circuit Breakers NSX100H 70kA AC 3P3D 100A 2.2
1In Stock
Min.: 1
Mult.: 1
C10
Square D Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 90A
1In Stock
Min.: 1
Mult.: 1
HGF


Weidmuller Circuit Breakers CB4201-10, 2.5A/TS35
14In Stock
Min.: 1
Mult.: 1
CB4201 AC
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
162In Stock
Min.: 1
Mult.: 1

106-M2 Thermal Circuit Breakers Overcurrent Protection 3 A 240 VAC 48 VDC 1 Pole - 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
71In Stock
Min.: 1
Mult.: 1

2-5700 Thermal Circuit Breakers Overcurrent Protection 38 A 250 VAC 28 VDC 1 Pole - 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 prot
111In Stock
Min.: 1
Mult.: 1

3120-N Thermal Circuit Breakers Overcurrent Protection 10 A 240 VAC 50 VDC 2 Pole - 30 C + 60 C Non-Illuminated
AIRPAX Circuit Breakers CIRCUIT BREAKER
13In Stock
Min.: 1
Mult.: 1

IEG Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic
Siemens Circuit Breakers MCB 5SJ4 2P 480/277 6A 10K D-TRIP
13In Stock
Min.: 1
Mult.: 1
5SJ4 Circuit Breakers Miniature 6 A 277 VAC, 480 VAC 60 VDC 2 Pole - 25 C + 55 C Non-Illuminated
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
425In Stock
Min.: 1
Mult.: 1

1620 Miniature Circuit Breakers Automotive 30 A 24 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
48In Stock
Min.: 1
Mult.: 1

2-5700 Thermal Circuit Breakers Overcurrent Protection 38 A 250 VAC 28 VDC 1 Pole - 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
414In Stock
Min.: 1
Mult.: 1

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


Phoenix Contact Circuit Breakers CBMC E4 24DC/1-10A S-R
92In Stock
Min.: 1
Mult.: 1

CBMC Circuit Breakers Electronic 40 A 24 VDC 1 Pole - 25 C + 60 C Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag
25In Stock
Min.: 1
Mult.: 1
Circuit Breakers 30 A 2 Pole Toggle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers CIRCUIT BREAKER
34In Stock
Min.: 1
Mult.: 1

Snapak Thermal Circuit Breakers Thermal 5 A 250 VAC 65 VDC 2 Pole - 40 C + 85 C Non-Illuminated
Schneider Electric Circuit Breakers MAN-START 600VAC 40AMP IEC 6In Stock
Min.: 1
Mult.: 1

GV
E-T-A Circuit Breakers Miniaturised single pole press-to-reset cycling trip free thermal circuit breaker designed for automotive fuse block installation. Extends the benefits of circuit breaker performance and convenience to applications which are cost cri
330In Stock
Min.: 1
Mult.: 1

1610 Miniature Circuit Breakers Automotive 6 A 24 VDC 1 Pole - 40 C + 85 C Non-Illuminated
E-T-A Circuit Breakers MoQ=10 Non-Preferred Part (Build to Order) - Alternative Stocked Part Number 2210-S221-P1M1-Z241-12A 94
10In Stock
Min.: 1
Mult.: 1
2210-S2 Thermal Circuit Breakers Thermal Magnetic
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
13In Stock
Min.: 1
Mult.: 1
8340-G Hydraulic Magnetic Circuit Breakers Thermal Magnetic 20 mA 240 VAC, 415 VAC 80 VDC 1 Pole - 40 C + 85 C Non-Illuminated