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.
More...


Please view our large selection of circuit breakers below.

Results: 162.059
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
Siemens Circuit Breakers MCB 5SJ4 1P 277V 3A 10K C-TRIP 13In Stock
68,69 €
58,27 €
54,71 €
47,17 €
43,82 €
Min.: 1
Mult.: 1
5SJ4 Circuit Breakers Miniature 3 A 277 VAC 60 VDC 1 Pole Lever - 25 C + 55 C Non-Illuminated
E-T-A Circuit Breakers Miniaturised double pole thermal circuit breaker with push-to-reset tease-free, trip-free, snap action mechanism (R-type TO CBE to EN 60934). Threadneck panel mounting. Suitable for line and neutral switching - the thermal actuator op 48In Stock
37,99 €
31,52 €
28,00 €
23,74 €
Min.: 1
Mult.: 1
1140 Miniature Circuit Breakers Overcurrent Protection 6 A 240 VAC 48 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
E-T-A Circuit Breakers Miniaturised single pole press-to-reset cycling trip free thermal circuit breaker designed for automotive fuse block installation. Extends the benefits of circuit breaker performance and convenience to applications which are cost cri 222In Stock
10,25 €
8,51 €
7,86 €
6,51 €
Min.: 1
Mult.: 1
1610 Miniature Circuit Breakers Automotive 8 A 24 VDC 1 Pole Push to Reset - 40 C + 85 C Non-Illuminated


AIRPAX Circuit Breakers Cir Brkr Hyd Mag 7In Stock
101,74 €
Min.: 1
Mult.: 1
IAL/IDL/IML/IUL
AIRPAX Circuit Breakers CIRCUIT BREAKER 12In Stock
92,95 €
Min.: 1
Mult.: 1
IEG Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic Handle
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 6In Stock
99,23 €
Min.: 1
Mult.: 1
IUGH Circuit Breakers Hydraulic Magnetic 20 A 240 VAC 80 VDC 2 Pole Toggle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers CIRCUIT BREAKER 11In Stock
53,16 €
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 1 A 250 VAC 65 VDC 2 Pole Rocker - 40 C + 85 C Illuminated
Siemens Circuit Breakers CIRCUIT-BREAKER, SIZE S00 4In Stock
320,59 €
273,81 €
264,89 €
Min.: 1
Mult.: 1
3RV1 Circuit Breakers Motor Protection 1 A 690 VAC 3 Pole Toggle - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S00 0.35-0.5A SCREW 5In Stock
172,87 €
154,26 €
145,86 €
136,68 €
Min.: 1
Mult.: 1
3RV2 Circuit Breakers Motor Protection 500 mA 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S0 4.5 - 6.3A SCREW 6In Stock
253,85 €
210,37 €
194,71 €
169,29 €
Min.: 1
Mult.: 1
3RV2 Circuit Breakers Motor Protection 6.3 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MCB 5SJ4 2P 480/277 6A 10K D-TRIP 12In Stock
133,74 €
116,91 €
108,62 €
94,85 €
Min.: 1
Mult.: 1
5SJ4 Circuit Breakers Miniature 6 A 277 VAC, 480 VAC 60 VDC 2 Pole Lever - 25 C + 55 C Non-Illuminated
E-T-A Circuit Breakers 11In Stock
122,99 €
101,98 €
95,03 €
78,26 €
Min.: 1
Mult.: 1
8345 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 8 A 240 VAC, 415 VAC 80 VDC 1 Pole Toggle - 40 C + 85 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 20In Stock
32,11 €
27,61 €
19,37 €
17,89 €
Min.: 1
Mult.: 1
2-5700 Thermal Circuit Breakers Overcurrent Protection Push to Reset
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 10In Stock
69,60 €
46,07 €
45,42 €
36,64 €
Min.: 1
Mult.: 1
3130-F Thermal Overcurrent 15 A 415 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 36In Stock
16,45 €
14,83 €
13,59 €
10,57 €
Min.: 1
Mult.: 1
1410-G1 Thermal Circuit Breakers Overcurrent Protection 2.5 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 14In Stock
16,71 €
15,05 €
13,80 €
10,73 €
Min.: 1
Mult.: 1
1410-G1 Thermal Circuit Breakers Overcurrent Protection 6.3 A 240 VAC 28 VDC 1 Pole Rocker - 20 C + 70 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 pro 9In Stock
62,17 €
46,69 €
43,40 €
38,27 €
34,29 €
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection Rocker
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 16In Stock
19,50 €
17,75 €
16,27 €
12,33 €
Min.: 1
Mult.: 1
104 Thermal Circuit Breakers Overcurrent Protection 4 A 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
19,50 €
13,92 €
12,66 €
11,51 €
Min.: 1
Mult.: 1
104 Thermal Circuit Breakers Overcurrent Protection 3 A 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), threadneck mounting. Approved to CBE standard EN 60934 (IEC 60934). For higher current rati 40In Stock
19,58 €
17,83 €
16,34 €
12,71 €
10,51 €
Min.: 1
Mult.: 1
106-M2 Thermal Circuit Breakers Overcurrent Protection 1.6 A 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), threadneck mounting. Approved to CBE standard EN 60934 (IEC 60934). For higher current rati 40In Stock
19,58 €
14,27 €
12,99 €
11,79 €
Min.: 1
Mult.: 1
106-M2 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), threadneck mounting. Approved to CBE standard EN 60934 (IEC 60934). For higher current rati 27In Stock
19,58 €
17,83 €
16,34 €
11,96 €
Min.: 1
Mult.: 1
106-M2 Thermal Circuit Breakers Overcurrent Protection 7 A 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), threadneck mounting. Approved to CBE standard EN 60934 (IEC 60934). For higher current rati 44In Stock
19,58 €
17,83 €
16,34 €
12,71 €
10,51 €
Min.: 1
Mult.: 1
106-M2 Thermal Circuit Breakers Overcurrent Protection 8.5 A 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), threadneck mounting. Approved to CBE standard EN 60934 (IEC 60934). For higher current rati 49In Stock
19,58 €
17,83 €
16,34 €
12,71 €
10,51 €
Min.: 1
Mult.: 1
106-M2 Thermal Circuit Breakers Overcurrent Protection 9 A 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), threadneck mounting. Approved to CBE standard EN 60934 (IEC 60934). For higher current rati 43In Stock
19,58 €
17,83 €
16,34 €
12,65 €
Min.: 1
Mult.: 1
106-M2 Thermal Circuit Breakers Overcurrent Protection 500 mA 240 VAC 48 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated