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: 151 470
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 2In Stock
32,32 €
26,81 €
22,06 €
21,21 €
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 15 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 4In Stock
43,86 €
32,44 €
29,92 €
29,05 €
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 10 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 pr 3In Stock
30On Order
43,86 €
36,39 €
34,25 €
29,08 €
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 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 3In Stock
31,00 €
25,71 €
21,20 €
20,37 €
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 16 A 240 VAC 50 VDC 1 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 9In Stock
31,85 €
29,27 €
24,87 €
24,14 €
21,13 €
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 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
43,86 €
29,48 €
29,47 €
29,08 €
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 5 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 prot 8In Stock
58,09 €
48,19 €
40,07 €
35,18 €
31,49 €
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 7In Stock
51,02 €
45,61 €
44,24 €
41,37 €
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection Rocker
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 1In Stock
71,47 €
59,28 €
50,20 €
46,45 €
Min.: 1
Mult.: 1
3400 Thermal Circuit Breakers Thermal Magnetic 5 A 240 VAC 65 VDC 1 Pole Push to Reset - 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 char 9In Stock
77,47 €
64,26 €
52,87 €
47,49 €
Min.: 1
Mult.: 1
3400 Thermal Circuit Breakers Thermal Magnetic 15 A 240 VAC 65 VDC 1 Pole Push to Reset - 30 C + 60 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). Featuring a flange for panel mounting, and optional auxiliary contacts and unprotecte 8In Stock
78,03 €
64,72 €
53,25 €
47,83 €
Min.: 1
Mult.: 1
3500 Thermal Circuit Breakers Thermal Magnetic Push to Reset
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). Featuring a flange for panel mounting, and optional auxiliary contacts and unprotecte 6In Stock
67,19 €
55,74 €
47,64 €
42,07 €
Min.: 1
Mult.: 1
3500 Thermal Circuit Breakers Thermal Magnetic Push to Reset


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 pro 8In Stock
30,27 €
25,11 €
20,46 €
20,00 €
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 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 27In Stock
17,48 €
15,76 €
14,44 €
11,06 €
Min.: 1
Mult.: 1
1410-G1 Thermal Circuit Breakers Overcurrent Protection 4 A 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 40In Stock
17,48 €
15,76 €
14,44 €
11,06 €
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 1077, 1P, DM, 277VAC/60VDC, B, 1.5A 13In Stock
15,29 €
14,53 €
13,77 €
9,37 €
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 protection of motors 8In Stock
38,26 €
31,74 €
25,99 €
25,59 €
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 9 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 10In Stock
38,26 €
31,74 €
29,28 €
25,59 €
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 Thermal Circuit Breaker/Switch 4In Stock
48,68 €
40,39 €
33,46 €
30,07 €
28,34 €
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection Rocker
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 sui 7In Stock
40,33 €
33,46 €
27,33 €
26,90 €
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 5 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 2In Stock
27,24 €
22,60 €
18,51 €
16,31 €
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 16 A 115 VAC 50 VDC Rocker - 30 C + 60 C Illuminated
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 1In Stock
37,04 €
30,73 €
25,21 €
22,51 €
21,00 €
Min.: 1
Mult.: 1
2-5700 Thermal Circuit Breakers Overcurrent Protection 2.5 A 250 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
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 4In Stock
39,71 €
30,69 €
26,08 €
24,48 €
20,79 €
Min.: 1
Mult.: 1
Feb-00 Thermal Circuit Breakers Overcurrent Protection 50 mA 250 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated


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 2In Stock
83,70 €
70,01 €
56,19 €
55,69 €
Min.: 1
Mult.: 1
8340-G Hydraulic Magnetic Circuit Breakers Thermal Magnetic 4 A 240 VAC, 415 VAC 80 VDC 1 Pole Toggle - 40 C + 85 C Non-Illuminated
E-T-A Circuit Breakers 508, 1P, PL, 24VDC, N/O, RF, SF, 6A ATEX 1In Stock
96,28 €
80,83 €
77,00 €
72,02 €
Min.: 1
Mult.: 1
ESX10-E Circuit Breakers Electronic 6 A 24 VDC Slide 0 C + 50 C Non-Illuminated