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: 151.471
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 SUP PTOR 5SY4 1P+N 240V 6A 7.5K D-TRIP 5In Stock
108,21 €
91,92 €
86,81 €
71,49 €
66,38 €
Min.: 1
Mult.: 1
Circuit Breakers Miniature 6 A 230 VAC 60 VDC 2 Pole Lever - 40 C + 70 C Non-Illuminated
Schneider Electric Circuit Breakers TRIP UNIT NSX100 AC 3P3D 100A 2.2 1In Stock
733,09 €
Min.: 1
Mult.: 1
Square D Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 30A 3In Stock
307,90 €
Min.: 1
Mult.: 1
QO Circuit Breakers Miniature 30 A 120 VAC, 240 VAC 3 Pole Lever Non-Illuminated
Square D Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 15A 1In Stock
57,64 €
Min.: 1
Mult.: 1
E-T-A Circuit Breakers Threadneck Panel Mounting 3/8-27UNS, Blade Terminals, 7A Circuit Breaker 96In Stock
13,60 €
11,07 €
10,39 €
9,56 €
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
Phoenix Contact Circuit Breakers CB TM1 0.5A SFB P 23In Stock
41,89 €
Min.: 1
Mult.: 1
CB TM1 Circuit Breakers Thermal Magnetic 500 mA 50 VDC 1 Pole Slide - 30 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP, SZ S0, 1.4-2A, SCREW TERMINAL 5In Stock
253,00 €
209,66 €
195,20 €
170,96 €
Min.: 1
Mult.: 1
3RV2 Circuit Breakers Motor Protection 2 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MCB 5SJ4 1P 240V 6A 14K C-TRIP 23In Stock
74,56 €
64,68 €
61,28 €
51,07 €
47,66 €
Min.: 1
Mult.: 1
5SJ4 Circuit Breakers Miniature 6 A 240 VAC 60 VDC 1 Pole Lever - 25 C + 55 C Non-Illuminated
Siemens Circuit Breakers MCB 5SJ4 1P 240V 5A SAME PH 14K D-TRIP 16In Stock
67,11 €
58,20 €
55,15 €
45,96 €
42,89 €
Min.: 1
Mult.: 1
5SJ4 Circuit Breakers Miniature 5 A 240 VAC 60 VDC 1 Pole Lever - 25 C + 55 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 74In Stock
19,51 €
16,29 €
15,22 €
12,99 €
Min.: 1
Mult.: 1
Thermal Circuit Breakers Overcurrent Protection 1 A 240 VAC 48 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
E-T-A Circuit Breakers Miniaturised single pole rocker switch/thermal circuit breaker combining ON/OFF switching and extremely fast overload performance in a single component (S-type TO CBE to EN 60934/IEC 934). Under overload conditions an internal neon (f 76In Stock
20,70 €
17,18 €
15,85 €
13,12 €
Min.: 1
Mult.: 1
1410-F1 Circuit Breakers Miniature 5 A 240 VAC 28 VDC 1 Pole Rocker - 20 C + 70 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 36In Stock
27,05 €
24,27 €
21,78 €
21,29 €
Min.: 1
Mult.: 1
2-5700 Thermal Circuit Breakers Overcurrent Protection 20 A 250 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 pro 35In Stock
39,10 €
32,44 €
26,36 €
25,71 €
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 5 A 240 VAC 50 VDC 2 Pole Rocker - 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 cha 19In Stock
76,00 €
64,36 €
58,70 €
54,40 €
Min.: 1
Mult.: 1
3300 Thermal Circuit Breakers Thermal Magnetic Push to Reset
Siemens Circuit Breakers MSP S00 0.45-0.63A SCREW 5In Stock
215,35 €
183,26 €
164,56 €
140,15 €
Min.: 1
Mult.: 1
3RV2 Circuit Breakers Motor Protection 630 mA 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S00 0.55-0.8A SCREW 5In Stock
223,44 €
185,37 €
170,85 €
146,80 €
Min.: 1
Mult.: 1
3RV2 Circuit Breakers Motor Protection 800 mA 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers SWITCH MOTOR, MCB, 2.2...3.2A, SZ S00 6In Stock
216,98 €
191,73 €
179,28 €
163,48 €
Min.: 1
Mult.: 1
3RV2 Circuit Breakers Motor Protection 3.2 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S0 2.8 - 4A SCREW 6In Stock
253,00 €
209,66 €
195,20 €
170,96 €
Min.: 1
Mult.: 1
3RV2 Circuit Breakers Motor Protection 4 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MCB 5SJ4 1P 277V 3A 10K C-TRIP 13In Stock
74,56 €
64,68 €
61,28 €
51,07 €
47,66 €
Min.: 1
Mult.: 1
5SJ4 Circuit Breakers Miniature 3 A 277 VAC 60 VDC 1 Pole Lever - 25 C + 55 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 1P 240V 1A 7.5K C-TRIP 20In Stock
64,66 €
54,53 €
50,99 €
40,94 €
Min.: 1
Mult.: 1
Circuit Breakers Miniature 1 A 400 VAC 60 VDC 1 Pole Lever - 40 C + 70 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