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
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
37,57 €
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 7.5 A 1 Pole Rocker - 40 C + 85 C Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
48,80 €
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 2 Pole Paddle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 5In Stock
99,74 €
Min.: 1
Mult.: 1
ABB Circuit Breakers A1N 100 TMF 80-800 3P F F UL 3In Stock
421,85 €
349,46 €
322,06 €
Min.: 1
Mult.: 1
ABB Circuit Breakers MCB ST200M 1P B 15A UL1077
Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK
24In Stock
6Expected 11/2/2026
41,63 €
36,68 €
34,04 €
30,84 €
Min.: 1
Mult.: 1
ST200M Circuit Breakers 15 A 1 Pole
ABB Circuit Breakers UL489 MCB 1P Z 8A 480/277
Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK
4In Stock
1Expected 1/14/2027
54,25 €
41,16 €
38,55 €
34,76 €
Min.: 1
Mult.: 1
SU200M Circuit Breakers 8 A 1 Pole
ABB Circuit Breakers MCB SU200MR RTT 2P K 2A BCP
Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK
6In Stock
123,93 €
111,61 €
100,54 €
89,88 €
Min.: 1
Mult.: 1
SU200MR Circuit Breakers 2 A 2 Pole
IDEC Circuit Breakers Circuit Protector 2In Stock
13,85 €
11,96 €
10,97 €
9,47 €
Min.: 1
Mult.: 1
NRF Circuit Breakers 250 VAC 32 VDC 1 Pole - 10 C + 60 C


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 8In Stock
37,03 €
30,72 €
25,21 €
22,51 €
19,11 €
Min.: 1
Mult.: 1
2-5700 Thermal Circuit Breakers Overcurrent Protection 35 A 250 VAC 28 VDC 1 Pole Push to Reset - 20 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 7In Stock
28,32 €
23,50 €
18,08 €
16,60 €
14,35 €
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection Rocker
E-T-A Circuit Breakers Thermal circuit breaker, with controlled self-resetting mechanism, specially suited to installation in inaccessible locations. Under overload conditions the circuit breaker contacts will open to protect the load circuit. A low current 41In Stock
19,01 €
17,30 €
15,87 €
12,04 €
Min.: 1
Mult.: 1
1160 Thermal Circuit Breakers Thermal 30 A 12 VDC 1 Pole - 30 C + 60 C Non-Illuminated
E-T-A Circuit Breakers Very cost effective design to meet international requirements. No exposed metal parts which are current-carrying except for terminals. R-type TO CBE to EN 60934. Units built to order. For requests under 500 pcs contact Customer Servi 68In Stock
250Expected 3/5/2027
6,26 €
5,96 €
5,74 €
4,47 €
Min.: 1
Mult.: 1
1658 Thermal Circuit Breakers Overcurrent Protection 30 A 240 VAC 28 VDC 1 Pole Push to Reset - 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 10In Stock
34,85 €
30,24 €
29,92 €
29,05 €
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 15 A 230 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Illuminated


E-T-A Circuit Breakers Single pole high performance thermal circuit breaker, with push-to-reset tease free, trip-free snap action mechanism (R-type TO CBE to EN 60934). Designed for threadneck panel mounting and for applications with a high fault current sw 6In Stock
81,93 €
68,54 €
58,67 €
52,89 €
Min.: 1
Mult.: 1
4130 Thermal Circuit Breakers Thermal Magnetic 25 A 240 VAC 50 VDC 1 Pole Push-Pull - 30 C + 60 C Non-Illuminated
E-T-A Circuit Breakers Single pole high performance thermal-magnetic circuit breaker, with tease-free, trip-free, snap action mechanism and push/pull on/off actuation (M-type TM CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off position. 2In Stock
387,98 €
298,88 €
279,07 €
Min.: 1
Mult.: 1
452 Thermal Magnetic 100 A 28 VDC 1 Pole Pushbutton - 55 C + 75 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 10In Stock
38,27 €
31,75 €
29,28 €
23,61 €
22,01 €
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 miniaturised magnetic circuit breakers with unique high-speed operating mechanism and push/pull on/off manual actuation. Fitted with electrically separate excitation and switching circuits, and one pair of auxiliary contac 7In Stock
47,19 €
40,22 €
38,44 €
35,30 €
Min.: 1
Mult.: 1
808 5 A 24 VDC 1 Pole Pushbutton - 30 C + 70 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 9In Stock
38,44 €
31,89 €
26,31 €
23,71 €
Min.: 1
Mult.: 1
3130-F Circuit Breakers Thermal 20 A 240 VAC, 415 VAC 50 VDC 1 Pole Rocker - 30 C + 60 C 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 9In Stock
25,31 €
21,00 €
17,19 €
15,16 €
Min.: 1
Mult.: 1
3131-A/C Circuit Breakers Thermal 16 A 1 Pole 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 suite 7In Stock
70On Order
87,30 €
85,48 €
57,66 €
53,82 €
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 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 protectio 19In Stock
87,30 €
74,85 €
67,04 €
57,66 €
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection Rocker
E-T-A Circuit Breakers AC PEM, w/ 2 pole , 10A, white rocker, C14 inlet, pre-wired 5In Stock
39,67 €
32,91 €
30,37 €
25,80 €
Min.: 1
Mult.: 1
Thermal Circuit Breakers Overcurrent Protection 1 Pole Rocker - 30 C + 60 C Illuminated
E-T-A Circuit Breakers AC PEM, w/ 2 pole , 10A, white rocker, C14 std filtered inlet, pre-wired 9In Stock
58,29 €
48,36 €
44,61 €
36,92 €
Min.: 1
Mult.: 1
Thermal Circuit Breakers Overcurrent Protection 10 A 240 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Non-Illuminated


Omron Automation and Safety Circuit Breakers Motor Protection Cir cuit Break
Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK
3In Stock
194,50 €
154,71 €
147,98 €
139,10 €
Min.: 1
Mult.: 1
Circuit Breakers Motor Protection 1.6 A 690 VAC 3 Pole Rocker - 20 C + 60 C Non-Illuminated
Altech Circuit Breakers 13A Z Characteristic UL 508 1 POLE 11In Stock
50,61 €
43,77 €
40,38 €
32,03 €
Min.: 1
Mult.: 1
UM Circuit Breakers Z-Trip 13 A 277 VAC 42 VDC 1 Pole Handle - 25 C + 55 C Non-Illuminated