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 (DKK) 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
Siemens Circuit Breakers MSP S00 7-10A AUX 1NO 1NC SPRING 3In Stock
2.197,64 kr.
1.940,94 kr.
1.830,39 kr.
Min.: 1
Mult.: 1
3RV2 Circuit Breakers Motor Protection 10 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S0 2.8 - 4A SCREW 6In Stock
1.893,72 kr.
1.569,36 kr.
1.452,61 kr.
1.262,90 kr.
Min.: 1
Mult.: 1
3RV2 Circuit Breakers Motor Protection 4 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MCB 5SJ4 1P 277V 3A 10K C-TRIP 13In Stock
512,43 kr.
434,69 kr.
408,14 kr.
351,89 kr.
326,90 kr.
Min.: 1
Mult.: 1
5SJ4 Circuit Breakers Miniature 3 A 277 VAC 60 VDC 1 Pole Lever - 25 C + 55 C Non-Illuminated
IDEC Circuit Breakers Circuit Protector 30A
Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK
4In Stock
188,22 kr.
154,87 kr.
145,40 kr.
135,32 kr.
Min.: 1
Mult.: 1
NRA Circuit Breakers Magnetic 30 A 250 VAC 65 VDC 1 Pole Lever - 40 C + 85 C Non-Illuminated


E-T-A Circuit Breakers The 3120-N...4 IP65 rated 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...4 is ideally suited for overload p 6In Stock
658,27 kr.
569,35 kr.
510,34 kr.
438,72 kr.
Min.: 1
Mult.: 1
3120-N 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 protection of motors 6In Stock
713,77 kr.
616,12 kr.
554,80 kr.
475,72 kr.
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
E-T-A Circuit Breakers MoQ=10 Non-Preferred Part (Build to Order) - Alternative Stocked Part Number 2210-S221-P1M1-Z241-15A 94 3In Stock
1.584,21 kr.
1.131,46 kr.
1.099,16 kr.
1.088,12 kr.
Min.: 1
Mult.: 1
2210-S2 Thermal Circuit Breakers Thermal Magnetic 16 A 250 VAC, 433 VAC 65 VDC 2 Pole Toggle - 30 C + 60 C Non-Illuminated
E-T-A Circuit Breakers 1077, 1P, DM, 277VAC/65VDC,M1, 1NO AUX, 2.5A 5In Stock
389,41 kr.
323,02 kr.
267,74 kr.
240,66 kr.
Min.: 1
Mult.: 1
2210-T2 Thermal Circuit Breakers Thermal Magnetic Toggle
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 31In Stock
145,47 kr.
132,42 kr.
121,37 kr.
91,98 kr.
Min.: 1
Mult.: 1
104 Thermal Circuit Breakers Overcurrent Protection 500 mA 240 VAC 48 VDC 1 Pole Push to Reset - 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) for PCB mounting. Approved to CBE standard EN 60934 (IEC 60934). For higher current ratings 9In Stock
145,47 kr.
132,42 kr.
121,37 kr.
91,98 kr.
Min.: 1
Mult.: 1
104 Thermal Circuit Breakers Overcurrent Protection 300 mA 240 VAC 48 VDC 1 Pole Push to Reset - 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) for PCB mounting. Approved to CBE standard EN 60934 (IEC 60934). For higher current ratings 38In Stock
145,47 kr.
132,42 kr.
121,37 kr.
91,98 kr.
Min.: 1
Mult.: 1
104 Thermal Circuit Breakers Overcurrent Protection 700 mA 240 VAC 48 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
E-T-A Circuit Breakers 1077, 1P, DM, 277VAC/65VDC,M1, 1NC AUX, 0.2A 1In Stock
389,41 kr.
316,98 kr.
303,03 kr.
283,11 kr.
Min.: 1
Mult.: 1
2210-T2 Thermal Circuit Breakers Thermal Magnetic Toggle
E-T-A Circuit Breakers 1077, 1P, DM, 277VAC/65VDC,M1, 1NC AUX, 2A Non-Stocked Lead-Time 8 Weeks
389,41 kr.
316,98 kr.
303,03 kr.
283,11 kr.
Min.: 1
Mult.: 1
2210-T2 Thermal Circuit Breakers Thermal Magnetic 2 A 250 VAC, 433 VAC 65 VDC 1 Pole Toggle - 30 C + 60 C Non-Illuminated
E-T-A Circuit Breakers 1077, 1P, DM, 277VAC/65VDC,T1, 1NC AUX, 20A 1In Stock
351,59 kr.
314,66 kr.
304,96 kr.
293,40 kr.
Min.: 1
Mult.: 1
2210-T2 Thermal Circuit Breakers Thermal Magnetic Toggle
E-T-A Circuit Breakers MoQ=10 508, 1P, DM, 48VDC, N/O, 12.5A 4In Stock
718,32 kr.
552,94 kr.
486,69 kr.
466,77 kr.
Min.: 1
Mult.: 1
ESX10-TC Circuit Breakers Electronic Slide
E-T-A Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o 45In Stock
131,52 kr.
118,46 kr.
108,62 kr.
84,52 kr.
Min.: 1
Mult.: 1
1170 Miniature Circuit Breakers Automotive 8 A 28 VDC 1 Pole Push to Reset - 40 C + 85 C Non-Illuminated
E-T-A Circuit Breakers Single pole thermal circuit breaker with push-to-reset, tease-free, trip-free, snap action mechanism (R-type TO CBE to EN 60934; M-type when fitted with optional manual release feature). Available in versions for plug-in or integral m 21In Stock
370,02 kr.
306,98 kr.
285,72 kr.
235,89 kr.
Min.: 1
Mult.: 1
127 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 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 status output signals 43In Stock
126,37 kr.
113,91 kr.
104,37 kr.
81,24 kr.
Min.: 1
Mult.: 1
1410-G1 Thermal Circuit Breakers Overcurrent Protection Rocker
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 2In Stock
524,21 kr.
346,96 kr.
284,82 kr.
282,14 kr.
Min.: 1
Mult.: 1
Circuit Breakers Thermal 10 A 240 VAC, 415 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Illuminated
E-T-A Circuit Breakers 1077, 1P, DN, 120-240VAC/80VDC, 6A 5In Stock
309,07 kr.
247,67 kr.
206,64 kr.
184,41 kr.
Min.: 1
Mult.: 1
201 Thermal Circuit Breakers Thermal Magnetic Pushbutton Dual
E-T-A Circuit Breakers MoQ=10 Non-Preferred Part (Build to Order) - Alternative Stocked Part Number 2210-T210-K0M1-H131-10A 94 1In Stock
721,08 kr.
555,17 kr.
514,07 kr.
496,69 kr.
Min.: 1
Mult.: 1
2210-T2 Thermal Circuit Breakers Thermal Magnetic Toggle
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 1In Stock
1.442,61 kr.
1.195,69 kr.
1.068,05 kr.
990,91 kr.
Min.: 1
Mult.: 1
8340-G Hydraulic Magnetic Circuit Breakers Thermal Magnetic 15 A 240 VAC, 415 VAC 80 VDC 2 Pole Toggle - 40 C + 85 C Non-Illuminated
E-T-A Circuit Breakers 1077, 2P, PL, 277VAC/65VDC, M1, 1NC AUX INT and ON, 20A 1In Stock
611,35 kr.
511,53 kr.
487,36 kr.
456,03 kr.
Min.: 1
Mult.: 1
2210-S2 Thermal Circuit Breakers Thermal Magnetic Toggle
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 1In Stock
1.768,32 kr.
1.465,67 kr.
1.309,30 kr.
1.214,64 kr.
Min.: 1
Mult.: 1
8340-G Hydraulic Magnetic Circuit Breakers Thermal Magnetic 240 VAC, 415 VAC 80 VDC 3 Pole Toggle - 40 C + 85 C


E-T-A Circuit Breakers Single pole thermal circuit breaker with press-to-reset, tease-free, trip-free, snap action mechanism. Type 2-5000 is available with optional manual release (-H), (R-type TO CBE to EN 60934 in press-to-reset configuration; M-type when 3In Stock
323,32 kr.
239,09 kr.
218,35 kr.
193,21 kr.
188,14 kr.
Min.: 1
Mult.: 1
2-5000 Thermal Circuit Breakers Overcurrent Protection Push to Reset