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: 151.472
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


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 9In Stock
32,33 €
26,82 €
22,10 €
19,50 €
18,02 €
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 10 A 240 VAC 50 VDC 1 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 prot 7In Stock
62,01 €
58,90 €
40,74 €
39,97 €
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 20 A 115 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 prot 9In Stock
31,85 €
29,27 €
24,87 €
24,14 €
21,13 €
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 10 A 240 VAC 50 VDC 2 Pole Rocker - 30 C + 60 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 4In Stock
51,88 €
38,37 €
34,94 €
34,10 €
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 300 mA 240 VAC 50 VDC 2 Pole Rocker - 30 C + 60 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 3In Stock
51,89 €
38,37 €
35,67 €
32,06 €
30,20 €
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 1.2 A 240 VAC 50 VDC 2 Pole Rocker - 30 C + 60 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 3In Stock
56,64 €
39,63 €
39,17 €
37,48 €
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 1 A 115 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 prot 5In Stock
33,06 €
28,67 €
25,87 €
25,59 €
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 2.5 A 240 VAC 50 VDC 2 Pole Rocker - 30 C + 60 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 suite 1In Stock
44,80 €
33,13 €
30,79 €
27,49 €
23,73 €
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 16 A 240 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Non-Illuminated


E-T-A Circuit Breakers Single pole thermal-magnetic circuit breakers with tease-free, trip-free, press-to-reset, snap action mechanism (R-type TM CBE to EN 60934; M-type with manual release (-H). Available with fast acting and standard magnetic tripping cha 3In Stock
68,77 €
51,66 €
48,73 €
43,03 €
Min.: 1
Mult.: 1
3400 Thermal Circuit Breakers Thermal Magnetic Push to Reset
E-T-A Circuit Breakers 489, 2P, DM, 480VAC/60VDC, B, 20A 6In Stock
57,18 €
47,44 €
39,66 €
35,27 €
34,06 €
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 7In Stock
32,33 €
26,82 €
22,10 €
19,50 €
18,02 €
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 7 A 115 VAC 50 VDC 1 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 prot 2In Stock
43,86 €
29,24 €
29,23 €
29,08 €
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 10 A 230 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 7In Stock
54,15 €
50,29 €
41,05 €
40,18 €
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 16 A 230 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 3In Stock
43,87 €
32,44 €
31,18 €
28,94 €
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 8 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 prot 7In Stock
30,28 €
25,12 €
20,70 €
18,27 €
16,87 €
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 14 A 240 VAC 50 VDC 2 Pole Rocker - 30 C + 60 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 4In Stock
30,82 €
24,42 €
23,95 €
23,31 €
Min.: 1
Mult.: 1
Thermal Circuit Breakers Overcurrent Protection Rocker
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 7In Stock
37,03 €
30,72 €
26,08 €
24,21 €
Min.: 1
Mult.: 1
2-5700 Thermal Circuit Breakers Overcurrent Protection 1.8 A 250 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
E-T-A Circuit Breakers Combination of single pole circuit breaker and ON/OFF switch with soft-touch rocker actuation. Contoured rockers are available with a choice of colours and legends, with optional illumination. The 3131 is sealed to provide IP66 rated 10In Stock
33,90 €
28,12 €
26,94 €
20,61 €
Min.: 1
Mult.: 1
3131-A/C Circuit Breakers Thermal 5 A 1 Pole Rocker
E-T-A Circuit Breakers Combination of single pole circuit breaker and ON/OFF switch with soft-touch rocker actuation. Contoured rockers are available with a choice of colours and legends, with optional illumination. The 3131 is sealed to provide IP66 rated 9In Stock
33,89 €
28,11 €
23,32 €
20,61 €
Min.: 1
Mult.: 1
3131-A/C Circuit Breakers Thermal 10 A 1 Pole Rocker
E-T-A Circuit Breakers 508, 1P, PL, 24VDC, N/O, RF, SF, 8A ATEX 1In Stock
96,28 €
80,83 €
77,00 €
71,79 €
Min.: 1
Mult.: 1
ESX10-E Circuit Breakers Electronic 8 A 24 VDC Slide 0 C + 50 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 8In Stock
50,69 €
42,61 €
35,87 €
33,28 €
Min.: 1
Mult.: 1
3130-F Circuit Breakers Thermal 10 A 240 VAC, 415 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C 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 28In Stock
16,00 €
14,20 €
13,01 €
10,12 €
Min.: 1
Mult.: 1
1410-G1 Thermal Circuit Breakers Overcurrent Protection 630 mA 240 VAC 28 VDC 1 Pole Rocker - 20 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). Single hole threadneck mounting. Type 1410-G1 features changeover contacts suitable for providing statu 55In Stock
21,47 €
19,81 €
15,77 €
13,03 €
Min.: 1
Mult.: 1
1410-G1 Thermal Circuit Breakers Overcurrent Protection 630 mA 240 VAC 28 VDC 1 Pole Rocker - 20 C + 70 C Non-Illuminated


E-T-A Circuit Breakers 508, 1P, PL, 24VDC, RE, SF, 1A 5In Stock
108,58 €
88,53 €
84,16 €
78,03 €
Min.: 1
Mult.: 1
REF16-S Circuit Breakers Electronic 1 A 24 VDC 1 Pole Pushbutton - 25 C + 50 C Illuminated
Eaton Electrical Circuit Breakers FAZ-NA UL 489 MCB 480VAC 4P 15A C CURVE 1In Stock
322,24 €
257,67 €
246,96 €
230,56 €
Min.: 1
Mult.: 1
FAZ Circuit Breakers Miniature 15 A 240 VAC, 415 VAC 4 Pole Handle - 40 C + 75 C Non-Illuminated