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: 151.393
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 PDG2,3P,60A,65KA/480V,FXFXTMTU 1In Stock
673,35 €
Min.: 1
Mult.: 1
Murrelektronik Circuit Breakers MICO 4.10 SPEED-START electronic circuit protection, 4 channels, IN: 24 V DC OUT: 24 V DC / 4-6-8-10 A, Optimized startup behavior 6In Stock
320,09 €
Min.: 1
Mult.: 1
Circuit Breakers MICO 4 A, 6 A, 8 A, 10 A 24 VDC 4 Pole 0 C + 55 C Non-Illuminated
Phoenix Contact Circuit Breakers CBMC E4 24DC/1-10ANO
395In Stock
129,83 €
Min.: 1
Mult.: 1
CBMC Circuit Breakers Electronic 40 A 24 VDC 4 Pole - 25 C + 60 C Illuminated
Eaton Electrical Circuit Breakers Type CH Breaker 40A/3 Pole 240V 10K 3In Stock
532,94 €
429,87 €
401,96 €
Min.: 1
Mult.: 1
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 W52-A162A1-8=CKTBKR,THERM,ROCK,QC.250RED OPAQUE 250VAC 500In Stock
1.000Expected 10/26/2026
3,40 €
3,10 €
2,98 €
2,35 €
Min.: 1
Mult.: 1
W52 Circuit Breakers Thermal 8 A 250 VAC 1 Pole Rocker 0 C + 50 C Non-Illuminated
Eaton Electrical Circuit Breakers BR 30A/2 Pole Com. Trip 120/240V 22K 3In Stock
386,08 €
284,28 €
266,72 €
239,35 €
Min.: 1
Mult.: 1


TE Connectivity / P&B Circuit Breakers 10A 2-P Illum Amber P1 & P2 Trip QC 210In Stock
83,65 €
75,41 €
75,05 €
73,26 €
Min.: 1
Mult.: 1
W33 Circuit Breakers Thermal 10 A 250 VAC 50 VDC 2 Pole Rocker - 20 C + 60 C Illuminated
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 25A WH 87In Stock
210,49 €
199,02 €
183,56 €
178,89 €
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 10A/2 Pole 120/240V 10K 5In Stock
139,36 €
115,56 €
107,68 €
88,68 €
82,35 €
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers QC , 1P, 100A, 120/240V, 10kaic 1In Stock
303,31 €
270,88 €
256,42 €
235,18 €
Min.: 1
Mult.: 1


TE Connectivity / P&B Circuit Breakers 7A PUSH TO RESET 8.469In Stock
3,68 €
3,23 €
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


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 70In Stock
36,93 €
32,51 €
28,32 €
26,38 €
Min.: 1
Mult.: 1
2-5700 Thermal Circuit Breakers Overcurrent Protection 38 A 250 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated


AIRPAX Circuit Breakers Cir Brkr Hyd Mag 63In Stock
19,85 €
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 15 A 250 VAC 65 VDC 1 Pole Push-Pull - 40 C + 85 C Non-Illuminated
Siemens Circuit Breakers MSP S0 9 - 12.5A SCREW 9In Stock
274,84 €
227,50 €
207,43 €
181,88 €
Min.: 1
Mult.: 1
3RV2 Circuit Breakers Motor Protection 12.5 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MCB 5SJ4 2P 480/277 6A 10K D-TRIP 12In Stock
136,85 €
120,04 €
110,84 €
98,56 €
Min.: 1
Mult.: 1
5SJ4 Circuit Breakers Miniature 6 A 277 VAC, 480 VAC 60 VDC 2 Pole Lever - 25 C + 55 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) integral type. Approved to CBE standard EN 60934 (IEC 60934). For higher current ratings see 297In Stock
19,09 €
15,62 €
14,56 €
12,59 €
Min.: 1
Mult.: 1
104 Thermal Circuit Breakers Overcurrent Protection 4 A 240 VAC 48 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
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 92In Stock
27,15 €
22,53 €
20,79 €
17,21 €
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


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). Single hole threadneck mounting. Type 1410-G1 features changeover contacts suitable for providing statu 190In Stock
15,20 €
12,62 €
11,64 €
9,65 €
Min.: 1
Mult.: 1
1410-G1 Thermal Circuit Breakers Overcurrent Protection 2 A 240 VAC 28 VDC 1 Pole Rocker - 20 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 192In Stock
29,41 €
24,41 €
22,12 €
18,38 €
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
Siemens Circuit Breakers MSP S00 1.1-1.6A SCREW 15In Stock
232,17 €
195,46 €
175,95 €
148,86 €
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 MSP S0 20-25A SCREW 6In Stock
272,21 €
252,38 €
Min.: 1
Mult.: 1
3RV2 Circuit Breakers Motor Protection 25 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated


Schneider Electric Circuit Breakers MAN-START 600VAC 40AMP IEC 4In Stock
342,73 €
Min.: 1
Mult.: 1
GV