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: 151.953
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
Eaton Electrical Circuit Breakers FAZ 2P 16A C CURVE ring term 13In Stock
414,83 €
343,64 €
316,70 €
Min.: 1
Mult.: 1
FAZ Circuit Breakers Miniature 16 A 240 VAC, 415 VAC 2 Pole Handle - 40 C + 75 C Non-Illuminated
ABB Circuit Breakers UL489 MCB 3P C 50A 240
10In Stock
15Expected 12/21/2026
200,69 €
174,98 €
158,69 €
132,72 €
Min.: 1
Mult.: 1
SU200M Circuit Breakers 50 A 3 Pole
Square D Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 150A 1In Stock
2.236,00 €
Min.: 1
Mult.: 1
HDF


E-T-A Circuit Breakers Single pole, thermal miniaturised circuit breaker designed for automotive applications. Fits into fuse blocks designed to ISO 8820-3, Type F. Automatic reset (for DC 12 V only) and open circuit (modified reset to SAE) version optional. Open circuitve 488In Stock
11,47 €
10,66 €
9,43 €
8,19 €
Min.: 1
Mult.: 1
1620 Miniature Circuit Breakers Automotive 7.5 A 24 VDC 1 Pole Push to Reset - 40 C + 85 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 68In Stock
71,12 €
60,99 €
57,28 €
51,08 €
Min.: 1
Mult.: 1
3400 Thermal Circuit Breakers Thermal Magnetic Push to Reset
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 9In Stock
191,79 €
158,72 €
Min.: 1
Mult.: 1
217 Circuit Breakers Hydraulic Magnetic 20 A 3 Pole Handle - 40 C + 85 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 89In Stock
53,03 €
45,21 €
41,80 €
36,70 €
32,85 €
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
AIRPAX Circuit Breakers Cir Brkr,HydMag 19In Stock
91,48 €
Min.: 1
Mult.: 1
Siemens Circuit Breakers TMCB UL489 S00 2A SCREW 4In Stock
475,55 €
413,11 €
405,71 €
Min.: 1
Mult.: 1
3RV2 Circuit Breakers System Protection 2 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers BRKR 3VA52 3P 250A 35KA FTFM 1In Stock
1.974,53 €
Min.: 1
Mult.: 1
3VA Thermal Magnetic Circuit Breakers System Protection 250 A 690 VAC 750 VDC 3 Pole Paddle - 25 C + 70 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 65In Stock
29,99 €
25,75 €
23,84 €
21,10 €
Min.: 1
Mult.: 1
1140 Miniature Circuit Breakers Overcurrent Protection 15 A 240 VAC 48 VDC 1 Pole Push to Reset - 20 C + 60 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 190In Stock
45,30 €
39,54 €
36,58 €
32,64 €
32,63 €
Min.: 1
Mult.: 1
3130-F Thermal Overcurrent 12 A 415 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 174In Stock
29,41 €
24,41 €
22,51 €
20,02 €
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 3 A 240 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S00 5.5-8A SCREW 9In Stock
245,56 €
214,74 €
187,64 €
155,54 €
Min.: 1
Mult.: 1
3RV2 Circuit Breakers Motor Protection 8 A 690 VAC 3 Pole Rotary - 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 325In Stock
10,25 €
8,51 €
7,86 €
6,51 €
Min.: 1
Mult.: 1
1610 Miniature Circuit Breakers Automotive 6 A 24 VDC 1 Pole Push to Reset - 40 C + 85 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 13In Stock
189,19 €
156,81 €
144,54 €
119,45 €
Min.: 1
Mult.: 1
8340-G Hydraulic Magnetic Circuit Breakers Thermal Magnetic 20 mA 240 VAC, 415 VAC 80 VDC 1 Pole Toggle - 40 C + 85 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). Designed for plug-in mounting with E-T-A sockets 17-P10-Si, 23-P10-Si, 63-P10-Si; or 42In Stock
107,45 €
87,76 €
82,72 €
77,48 €
Min.: 1
Mult.: 1
3600 Thermal Circuit Breakers Thermal Magnetic 3 A 240 VAC 65 VDC 1 Pole Pushbutton Dual - 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 43In Stock
52,47 €
44,17 €
40,47 €
34,49 €
Min.: 1
Mult.: 1
808 Circuit Breakers Miniature 500 mA 24 VDC 1 Pole Pushbutton - 30 C + 70 C Non-Illuminated


E-T-A Circuit Breakers 508, 1P, DM, 24VDC, 1CH, 4A, No Comm
43In Stock
42,48 €
38,02 €
35,43 €
31,82 €
Min.: 1
Mult.: 1
REX12-T Circuit Breakers Electronic 4 A 24 VDC 1 Pole Push to Reset - 25 C + 60 C Illuminated
AIRPAX Circuit Breakers Cir Brkr,HydMag 13In Stock
157,68 €
Min.: 1
Mult.: 1
IEL
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 48In Stock
38,31 €
Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 15 A 2 Pole Push-Pull - 40 C + 85 C Non-Illuminated
Siemens Circuit Breakers MSP,GROUP TAP,S00,CL10,1.1-1.6A,SCREW 10In Stock
296,37 €
260,77 €
246,73 €
Min.: 1
Mult.: 1
3RV1 Circuit Breakers Motor Protection 1.6 A 690 VAC 3 Pole Toggle - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S0 11-16A SCREW W/AUX 1NO/1NC 6In Stock
327,11 €
276,01 €
259,36 €
Min.: 1
Mult.: 1
3RV2 Circuit Breakers Motor Protection 16 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S2 CLASS 10 28-36A SCREW 6In Stock
472,44 €
395,32 €
364,69 €
Min.: 1
Mult.: 1
3RV2 Circuit Breakers Motor Protection 36 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S00 FOR XFRMR 5.5-8A SCREW 9In Stock
239,23 €
216,00 €
200,18 €
170,42 €
Min.: 1
Mult.: 1
3RV2 Circuit Breakers Transformer Protection 8 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated