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: 162.060
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
IDEC Circuit Breakers Circuit Protector 15A
Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK
4In Stock
27,66 €
19,57 €
17,84 €
16,07 €
Min.: 1
Mult.: 1
NRA Circuit Breakers Magnetic 15 A 250 VAC 65 VDC 1 Pole Lever - 40 C + 85 C Non-Illuminated
IDEC Circuit Breakers Circuit Protector 7.5A 1In Stock
84,80 €
72,75 €
68,67 €
64,41 €
Min.: 1
Mult.: 1
NRB Circuit Breakers 7.5 A 250 VAC 65 VDC 2 Pole Lever - 40 C + 85 C Non-Illuminated


IDEC Circuit Breakers Circuit Protector 1In Stock
16,51 €
14,88 €
13,64 €
11,77 €
Min.: 1
Mult.: 1
NRF Circuit Breakers 250 VAC 32 VDC 1 Pole - 10 C + 60 C
E-T-A Circuit Breakers 1077, 1P, DM, 277VAC/60VDC, C, 35A 5In Stock
15,90 €
13,92 €
12,46 €
11,67 €
Min.: 1
Mult.: 1
4230-T Miniature Circuit Breakers Thermal Magnetic Toggle


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 13In Stock
38,06 €
32,44 €
29,92 €
29,05 €
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 10 A 240 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C 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 pr 10In Stock
35,85 €
29,74 €
24,67 €
21,79 €
20,32 €
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 20 A 230 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Illuminated
E-T-A Circuit Breakers Single and multipole magnetic circuit breakers with trip-free mechanism and toggle actuation. A choice of fast magnetic only or hydraulically delayed switching characteristics (S-type MO or HM CBE to EN 60934) ensures suitability for 1In Stock
74,72 €
61,98 €
58,27 €
48,93 €
Min.: 1
Mult.: 1
8340-F Hydraulic Magnetic Circuit Breakers Thermal Magnetic 20 A 240 VAC, 415 VAC 80 VDC 1 Pole Toggle - 40 C + 85 C Non-Illuminated


E-T-A Circuit Breakers Single and multipole magnetic circuit breakers with trip-free mechanism and toggle actuation. A choice of fast magnetic only or hydraulically delayed switching characteristics (S-type MO or HM CBE to EN 60934) ensures suitability for 5In Stock
77,53 €
64,31 €
60,47 €
50,76 €
Min.: 1
Mult.: 1
8340-F Hydraulic Magnetic Circuit Breakers Thermal Magnetic 15 A 240 VAC, 415 VAC 80 VDC 1 Pole Toggle - 40 C + 85 C Non-Illuminated
E-T-A Circuit Breakers Single and multipole magnetic circuit breakers with trip-free mechanism and toggle actuation. A choice of fast magnetic only or hydraulically delayed switching characteristics (S-type MO or HM CBE to EN 60934) ensures suitability for 8In Stock
94,94 €
80,14 €
64,32 €
63,74 €
Min.: 1
Mult.: 1
8340-F Hydraulic Magnetic Circuit Breakers Thermal Magnetic 1 A 240 VAC, 415 VAC 80 VDC 1 Pole Toggle - 40 C + 85 C Non-Illuminated
E-T-A Circuit Breakers AC PEM, w/ recessed 1 pole , 10A, pb w/ white trip band, C14 inlet, pre-wired 9In Stock
27,85 €
23,10 €
21,31 €
17,66 €
Min.: 1
Mult.: 1
Thermal Circuit Breakers Overcurrent Protection 10 A 250 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
E-T-A Circuit Breakers MoQ=10 1077, 1p, DIN, 80VDC Med Delay, 15A 7In Stock
61,06 €
50,65 €
46,93 €
42,66 €
Min.: 1
Mult.: 1
8340-T Hydraulic Magnetic Circuit Breakers Thermal Magnetic Toggle
E-T-A Circuit Breakers AC PEM, w/ 2 pole , 5A, black rocker, C14 inlet, pre-wired 2In Stock
39,67 €
32,91 €
30,37 €
25,80 €
Min.: 1
Mult.: 1
Thermal Circuit Breakers Overcurrent Protection 5 A 240 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Non-Illuminated
Weidmuller Circuit Breakers CB4202-10, 6.0A/TS35 5In Stock
174,41 €
156,30 €
141,67 €
132,51 €
Min.: 1
Mult.: 1
Thermal Circuit Breakers
Eaton Electrical Circuit Breakers Type BR Breaker 10A/2 Pole 120/240V 10K 1In Stock
139,36 €
115,56 €
107,68 €
88,68 €
82,35 €
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers FAZ-NA UL 489 MCB 240VAC 1P 4A B CURVE 1In Stock
94,63 €
74,20 €
69,42 €
61,68 €
Min.: 1
Mult.: 1
Circuit Breakers Miniature 4 A 240 VAC 1 Pole Handle - 40 C + 75 C Non-Illuminated
Eaton Electrical Circuit Breakers FAZ 2P 30A C CURVE ring term 3In Stock
429,74 €
309,40 €
295,56 €
Min.: 1
Mult.: 1
FAZ Circuit Breakers Miniature 30 A 240 VAC, 415 VAC 2 Pole Handle - 40 C + 75 C Non-Illuminated
Eaton Electrical Circuit Breakers FAZ-NA 240VAC 2P 4A D CURVE ring term 2In Stock
194,50 €
151,90 €
143,89 €
127,27 €
Min.: 1
Mult.: 1
Circuit Breakers Miniature 4 A 240 VAC, 415 VAC 2 Pole Handle - 40 C + 75 C Non-Illuminated
Sensata Technologies Circuit Breakers 1In Stock
106,13 €
93,67 €
82,59 €
67,00 €
Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 1 A 2 Pole Rocker - 40 C + 85 C Non-Illuminated
Altech Circuit Breakers 6A,MCB B CHAR 1 PL, 277VAC, UL1077 1In Stock
21,90 €
15,35 €
14,90 €
14,30 €
Min.: 1
Mult.: 1
UR 6 A 277 VAC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 32A Z Characteristic UL 508 1 POLE 12In Stock
50,61 €
43,77 €
40,38 €
34,25 €
Min.: 1
Mult.: 1
UM 32 A 277 VAC 24 VDC 1 Pole Handle - 25 C + 55 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
85,27 €
Min.: 1
Mult.: 1
IAL/IDL/IML/IUL Circuit Breakers Hydraulic Magnetic 30 A 1 Pole Handle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
51,55 €
Min.: 1
Mult.: 1
Circuit Breakers 1 Pole Rocker - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr, HydMag, 2 pl, 250VAC,35A 2In Stock
176,37 €
Min.: 1
Mult.: 1
Circuit Breakers 30 A 3 Pole Rocker - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
124,40 €
Min.: 1
Mult.: 1
IUGN Circuit Breakers 2.5 A 1 Pole Toggle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
67,04 €
Min.: 1
Mult.: 1
IAL/IDL/IML/IUL Circuit Breakers Hydraulic Magnetic 5 A 1 Pole Handle - 40 C + 85 C Non-Illuminated