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: 162,059
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
Eaton Electrical Circuit Breakers BR 30A/2 Pole Com. Trip 120/240V 22K 3In Stock
€389.70
€291.68
€273.10
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers Type CH Breaker 40A/3 Pole 240V 10K 3In Stock
€532.94
€435.19
€413.73
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers QC , 1P, 100A, 120/240V, 10kaic 1In Stock
€356.94
€275.57
€260.79
Min.: 1
Mult.: 1
Phoenix Contact Circuit Breakers TMC 71D 20A 1,031In Stock
48Expected 09/11/2026
€19.48
Min.: 1
Mult.: 1
TMC 7 Circuit Breakers Thermal Magnetic 20 A 277 VAC 60 VDC 1 Pole Lever - 35 C + 70 C Non-Illuminated


Phoenix Contact Circuit Breakers TMC 81C 05A 2,597In Stock
€24.38
Min.: 1
Mult.: 1
TMC 8 Circuit Breakers Thermal Magnetic 5 A 120 VAC 60 VDC 1 Pole Lever - 35 C + 70 C Non-Illuminated
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 25A WH 87In Stock
€272.72
€239.92
€168.93
€154.20
Min.: 1
Mult.: 1
W6 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 25 A 277 VAC 2 Pole Toggle - 40 C + 85 C Non-Illuminated
Eaton Electrical Circuit Breakers Type BR Breaker 20A/2 Pole 120/240V 10K 3In Stock
€139.36
€115.56
€107.68
€88.68
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers EG 3P 80A adj therm 18kA CB w/end cap 1In Stock
€1,007.67
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG2,3P,20A,35KA/480V,FXFXTMTU 3In Stock
€579.78
€457.00
€421.26
Min.: 1
Mult.: 1


TE Connectivity / P&B Circuit Breakers 7A PUSH TO RESET 8,367In Stock
€3.73
€3.26
€3.06
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
Phoenix Contact Circuit Breakers PTCB E1 24DC/4A NO 1,205In Stock
€25.89
Min.: 1
Mult.: 1
PTCB Circuit Breaker 12 mA


Phoenix Contact Circuit Breakers TMC 81C 20A 1,640In Stock
€18.55
Min.: 1
Mult.: 1
TMC 8 Circuit Breakers Thermal Magnetic 20 A 120 VAC 60 VDC 1 Pole Lever - 35 C + 70 C Non-Illuminated
TE Connectivity / P&B Circuit Breakers 40A TOGGLE ACTUATOR 422In Stock
€49.81
€49.02
€43.99
€41.84
€41.35
Min.: 1
Mult.: 1
W31 Circuit Breakers Thermal 40 A 240 VAC 50 VDC 1 Pole Toggle - 20 C + 60 C Non-Illuminated
E-T-A Circuit Breakers Single pole high performance thermal circuit breaker with tease-free, trip-free, snap action mechanism and push/pull on/off manual actuation (M-type TO CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off position. Thr 354In Stock
€75.80
€64.22
€59.23
€49.00
Min.: 1
Mult.: 1
413 Thermal Circuit Breakers Thermal Magnetic 80 A 115 VAC 28 VDC 1 Pole Push-Pull - 55 C + 75 C Non-Illuminated


TE Connectivity / P&B Circuit Breakers 10A 2-P Illum Amber P1 & P2 Trip QC 210In Stock
€83.65
€75.83
€73.26
Min.: 1
Mult.: 1
W33 Circuit Breakers Thermal 10 A 250 VAC 50 VDC 2 Pole Rocker - 20 C + 60 C Illuminated
Phoenix Contact Circuit Breakers CAPAROC E2 12-24DC/2-10A EX 43In Stock
€81.09
Min.: 1
Mult.: 1
Circuit Breakers Electronic 10 A 12 VDC, 24 VDC 2 Pole - 30 C + 65 C
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
€189.19
€156.81
€142.31
€119.46
Min.: 1
Mult.: 1
8340-G Hydraulic Magnetic Circuit Breakers Thermal Magnetic 20 mA 240 VAC, 415 VAC 80 VDC 1 Pole Toggle - 40 C + 85 C Non-Illuminated


E-T-A Circuit Breakers Single pole thermal-magnetic circuit breaker with tease-free, trip-free, snap action mechanism and two button operation (M-type TM CBE to EN 60934). Designed for plug-in mounting with E-T-A sockets 17-P10-Si, 23-P10-Si, 63-P10-Si; or 42In Stock
€107.45
€87.76
€82.72
€77.31
Min.: 1
Mult.: 1
3600 Thermal Circuit Breakers Thermal Magnetic 3 A 240 VAC 65 VDC 1 Pole Pushbutton Dual - 30 C + 60 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 42In Stock
€53.14
€44.19
€40.37
€33.86
Min.: 1
Mult.: 1
808 Circuit Breakers Miniature 500 mA 24 VDC 1 Pole Pushbutton - 30 C + 70 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), PCB mounting. Miniaturised construction minimises PCB real estate required. Type 1410-L2 features chang 160In Stock
€12.86
€9.84
€9.30
€8.09
Min.: 1
Mult.: 1
1410-L2 Thermal Circuit Breakers Overcurrent Protection 3.15 A 240 VAC 28 VDC 1 Pole Rocker - 20 C + 70 C Non-Illuminated


E-T-A Circuit Breakers 508, 1P, DM, 24VDC, 1CH, 4A, No Comm
43In Stock
€45.18
€38.02
€35.43
€31.82
Min.: 1
Mult.: 1
REX12-T Circuit Breakers Electronic 4 A 24 VDC 1 Pole Push to Reset - 25 C + 60 C Illuminated
AIRPAX Circuit Breakers Cir Brkr,HydMag 13In Stock
€157.68
Min.: 1
Mult.: 1
IEL
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 48In Stock
€38.31
Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 15 A 2 Pole Push-Pull - 40 C + 85 C Non-Illuminated
Siemens Circuit Breakers MSP,GROUP TAP,S00,CL10,1.1-1.6A,SCREW 10In Stock
€337.81
€280.75
€255.27
Min.: 1
Mult.: 1
3RV1 Circuit Breakers Motor Protection 1.6 A 690 VAC 3 Pole Toggle - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S00 0.7-1A SPRING 8In Stock
€223.30
€185.12
€166.10
€146.80
Min.: 1
Mult.: 1
3RV2 Circuit Breakers Motor Protection 1 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated