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 1In Stock
€31.03
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 20 A 1 Pole Rocker - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
€20.16
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 25 A 1 Pole Paddle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
€16.69
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 7 A 1 Pole Paddle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
€143.22
Min.: 1
Mult.: 1
IAL/IDL/IML/IUL Circuit Breakers Hydraulic Magnetic 10 A 250 VAC 80 VDC 1 Pole Handle - 40 C + 85 C Non-Illuminated
ABB Circuit Breakers MCB SU200ML 2P K 25A UL 489
Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK
10In Stock
€108.82
€94.09
€87.15
€76.87
Min.: 1
Mult.: 1
SU200ML Circuit Breakers 25 A 2 Pole
ABB Circuit Breakers THQL 2 POLE 120/240V 10K IC 20 AMP 10In Stock
€174.73
€144.88
€135.01
€108.37
Min.: 1
Mult.: 1
Siemens Circuit Breakers SPECIAL TYPE MOT. START. PROT 6.3A 2In Stock
€389.33
€303.30
Min.: 1
Mult.: 1
3RV2 Circuit Breakers Motor Protection 6.3 A 690 VAC 3 Pole Rotary - 50 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S0 1.1-1.6A SPRG W/AUX 1NO/1NC 3In Stock
€302.65
€276.95
€271.12
Min.: 1
Mult.: 1
3RV2 Circuit Breakers Motor Protection 1.6 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers BRKR 3VA11 4P 63A 25KA ATAM100NTRL BOX 2In Stock
€715.44
€638.07
€623.13
Min.: 1
Mult.: 1
3VA Circuit Breakers Line Protection 63 A 690 VAC 600 VDC 4 Pole Paddle - 25 C + 70 C Non-Illuminated
Siemens Circuit Breakers MCSW 3VA51 3P 100A 65KA 1In Stock
€709.20
€640.98
€626.20
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 2P 240V 30A 10K D-TRIP 5In Stock
€153.61
€122.56
€121.26
€112.48
Min.: 1
Mult.: 1
Circuit Breakers Miniature 30 A 240 VAC 60 VDC 2 Pole Lever - 25 C + 55 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 2P 480V 40A 5K B-TRIP 5In Stock
€123.54
€105.05
€99.78
€92.40
Min.: 1
Mult.: 1
Circuit Breakers Miniature 40 A 400 VAC 60 VDC 2 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers DOOR,15"x54" 1In Stock
€476.61
Min.: 1
Mult.: 1
Square D Circuit Breakers OPERATING MECHANISM CABLE MECHANISM NEMA 1In Stock
€348.12
Min.: 1
Mult.: 1
IDEC Circuit Breakers Circuit Protector 2A
Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK
3In Stock
€27.89
€23.15
€21.75
€20.27
Min.: 1
Mult.: 1
NRA Circuit Breakers Magnetic 2 A 250 VAC 65 VDC 1 Pole Lever - 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 6In Stock
€32.96
€27.35
€22.54
€19.89
€16.72
Min.: 1
Mult.: 1
2-5700 Thermal Circuit Breakers Overcurrent Protection 2 A 250 VAC 28 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 9In Stock
€25.09
€20.81
€19.05
€18.18
Min.: 1
Mult.: 1
3130-F Thermal Overcurrent 15 A 240 VAC 50 VDC 1 Pole Rocker - 30 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 9In Stock
€25.99
€22.33
€17.92
€16.82
Min.: 1
Mult.: 1
3130-F Thermal Overcurrent 12 A 240 VAC 50 VDC 1 Pole Rocker - 30 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 9In Stock
€25.99
€21.56
€17.65
€15.57
Min.: 1
Mult.: 1
3130-F Thermal Overcurrent 15 A 240 VAC 50 VDC 1 Pole Rocker - 30 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 5In Stock
€32.90
€27.29
€22.64
€20.00
€16.97
Min.: 1
Mult.: 1
2-5700 Thermal Circuit Breakers Overcurrent Protection 15 A 250 VAC 28 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 8In Stock
€30.58
€25.37
€21.31
€18.83
€16.28
Min.: 1
Mult.: 1
2-5700 Thermal Circuit Breakers Overcurrent Protection 25 A 250 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
E-T-A Circuit Breakers Single pole press-to-reset thermal circuit breaker with extremely fast overload switching performance (R-type TO CBE to EN 60934). Miniaturised construction minimises PCB real estate required. Largely temperature-insensitive.x -E. Ret 68In Stock
€14.90
€13.22
€12.12
€10.46
Min.: 1
Mult.: 1
1410-L1 Thermal Circuit Breakers Overcurrent Protection 800 mA 240 VAC 28 VDC 1 Pole Rocker - 20 C + 70 C Non-Illuminated
E-T-A Circuit Breakers Min Ord Qty 10. 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 1In Stock
€32.75
€27.17
€22.53
€19.91
€18.57
Min.: 1
Mult.: 1
Thermal Circuit Breakers Overcurrent Protection Rocker
E-T-A Circuit Breakers 10 pc min. 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 protectio 4In Stock
€31.37
€28.57
€26.51
€25.78
Min.: 1
Mult.: 1
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 prot 8In Stock
20Expected 20/11/2026
€30.27
€25.11
€23.44
€19.77
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