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: 151 467
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 5In Stock
38,27 €
31,75 €
26,19 €
23,61 €
22,01 €
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
38,27 €
31,75 €
26,19 €
23,61 €
22,01 €
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 15 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 protection of motors 2In Stock
38,27 €
31,75 €
26,19 €
23,61 €
22,01 €
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 4 A 240 VAC 50 VDC 2 Pole Rocker - 30 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 12In Stock
35,69 €
34,69 €
21,71 €
18,41 €
Min.: 1
Mult.: 1
2-5700 Thermal Circuit Breakers Overcurrent Protection 100 mA 250 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
E-T-A Circuit Breakers 1In Stock
75,55 €
62,67 €
58,94 €
49,11 €
46,32 €
Min.: 1
Mult.: 1
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 2In Stock
25,29 €
20,98 €
17,17 €
15,14 €
Min.: 1
Mult.: 1
3131-A/C Circuit Breakers Thermal 8 A 240 VAC 28 VDC 1 Pole Rocker - 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 5In Stock
33,90 €
28,12 €
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, 3A ATEX 1In Stock
96,28 €
80,83 €
77,00 €
72,02 €
Min.: 1
Mult.: 1
ESX10-E Circuit Breakers Electronic 3 A 24 VDC Slide 0 C + 50 C Non-Illuminated
E-T-A Circuit Breakers Single pole three-position switch with latching or momentary switch functions. Featuring a soft-touch contoured rocker actuator with optional illumination. The 3131 is sealed to provide IP66 rated front of panel water splash protectio 7In Stock
25,30 €
20,99 €
17,81 €
16,41 €
Min.: 1
Mult.: 1
3131-B/D Circuit Breakers Thermal 20 A 32 VDC 3 Pole Rocker - 20 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 8In Stock
38,06 €
32,43 €
29,87 €
28,42 €
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection Rocker
E-T-A Circuit Breakers Min Ord Qty 10. 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 5In Stock
48,68 €
40,39 €
34,49 €
32,00 €
Min.: 1
Mult.: 1
Thermal Circuit Breakers Overcurrent Protection Rocker


E-T-A Circuit Breakers 508, 1P, PL, 24VDC, RE, SF, 2A 9In Stock
108,58 €
84,08 €
78,03 €
75,80 €
Min.: 1
Mult.: 1
REF16-S Circuit Breakers Electronic 2 A 24 VDC 1 Pole Pushbutton - 25 C + 50 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 protection of motors 6In Stock
95,68 €
80,77 €
76,52 €
63,77 €
60,14 €
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection Rocker
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
107,41 €
88,89 €
Min.: 1
Mult.: 1
IEL
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
86,68 €
Min.: 1
Mult.: 1
LEL/LML Circuit Breakers Hydraulic Magnetic 50 A 1 Pole Handle Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
49,86 €
43,02 €
42,77 €
41,26 €
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 500 mA 2 Pole Push-Pull - 40 C + 85 C Non-Illuminated
Altech Circuit Breakers Equipment breaker 33In Stock
7,50 €
7,40 €
6,29 €
5,20 €
Min.: 1
Mult.: 1
TR11 Circuit Breakers Supplementary Protector 6.5 A 240 VAC 50 VDC 1 Pole Pushbutton - 20 C + 60 C Non-Illuminated


AIRPAX Circuit Breakers Cir Brkr,HydMag 1In Stock
81,81 €
Min.: 1
Mult.: 1
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
85,27 €
Min.: 1
Mult.: 1
IAL/IDL/IML/IUL Circuit Breakers Hydraulic Magnetic 15 A 1 Pole Handle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
92,95 €
Min.: 1
Mult.: 1
Circuit Breakers 5 A 2 Pole Toggle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr, HydMag, 1 pl, 250VAC,1A, panel seal 2In Stock
39,21 €
Min.: 1
Mult.: 1
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
51,20 €
42,37 €
Min.: 1
Mult.: 1
Circuit Breakers 10 A 1 Pole Toggle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 4In Stock
119,89 €
99,23 €
Min.: 1
Mult.: 1
Circuit Breakers 20 A 2 Pole Toggle - 40 C + 85 C Non-Illuminated

AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
173,94 €
Min.: 1
Mult.: 1
Circuit Breakers 3 Pole Rocker - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
57,51 €
Min.: 1
Mult.: 1
IEL Circuit Breakers Hydraulic Magnetic 10 A 1 Pole Handle - 40 C + 85 C Non-Illuminated