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: 151.472
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 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). Featuring a flange for panel mounting, and optional auxiliary contacts and unprotecte 5In Stock
75,78 €
62,87 €
51,72 €
46,46 €
Min.: 1
Mult.: 1
3500 Thermal Circuit Breakers Thermal Magnetic Push to Reset
E-T-A Circuit Breakers Single pole high performance thermal circuit breaker with tease-free, trip-free, snap action mechanism and push/pull on/off manual actuation (M-type TO CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off position. Thr 1In Stock
111,35 €
84,14 €
70,74 €
Min.: 1
Mult.: 1
412 Thermal 30 A 125 VAC 28 VDC 1 Pole Push-Pull - 55 C + 75 C Non-Illuminated
E-T-A Circuit Breakers Single pole high performance thermal circuit breaker with tease-free, trip-free, snap action mechanism and push/pull on/off manual actuation (M-type TO CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off position. Thr 1In Stock
134,89 €
111,86 €
97,06 €
89,33 €
Min.: 1
Mult.: 1
413 Thermal Circuit Breakers Thermal Magnetic 35 A 115 VAC 28 VDC 1 Pole Push-Pull - 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 prot 4In 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 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 3In 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 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
33,90 €
28,12 €
23,32 €
20,61 €
Min.: 1
Mult.: 1
3131-B/D Circuit Breakers Thermal 20 A 240 VAC 28 VDC 1 Pole Rocker - 20 C + 60 C Non-Illuminated


E-T-A Circuit Breakers 508, 1P, DM, 24VDC, N/C, RE, SF, ATX, 4A 2In Stock
96,28 €
74,11 €
65,24 €
62,57 €
60,53 €
Min.: 1
Mult.: 1
ESX10-T-E Circuit Breakers Electronic 4 A 24 VDC 1 Pole Slide - 25 C + 60 C Illuminated
E-T-A Circuit Breakers AC PEM, w/ 2 pole , 6A, 250V green rocker, C14 medical filtered inlet, pre-wired 1In Stock
81,24 €
67,96 €
64,39 €
53,66 €
Min.: 1
Mult.: 1
Thermal Circuit Breakers Overcurrent Protection 6 A 240 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
48,36 €
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal Rocker
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 3In Stock
45,63 €
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal Push to Reset
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
125,87 €
Min.: 1
Mult.: 1
IUG
AIRPAX Circuit Breakers CIRCUIT BREAKER 2In Stock
70,50 €
Min.: 1
Mult.: 1
IEL
Altech Circuit Breakers TR11 sup. prot.,cent.mou.,black 10In Stock
5,69 €
4,75 €
4,70 €
4,53 €
Min.: 1
Mult.: 1
TR11 Circuit Breakers Supplementary Protector 2.7 A 240 VAC 50 VDC 1 Pole Pushbutton - 20 C + 60 C Non-Illuminated
Altech Circuit Breakers TR11 sup. prot.,cent.mou.,bl 10In Stock
5,14 €
4,29 €
4,27 €
4,09 €
Min.: 1
Mult.: 1
TR11
Altech Circuit Breakers TR11 sup.protector,wing clip, 7In Stock
15Expected 11/5/2026
5,34 €
4,29 €
4,18 €
4,05 €
Min.: 1
Mult.: 1
TR11 Circuit Breakers Supplementary Protector 10 A 240 VAC 50 VDC 1 Pole Pushbutton - 20 C + 60 C Non-Illuminated
Murrelektronik Circuit Breakers Mico Pro electronic circuit protection, 2 channels, IN: 24 V DC OUT: 24 V DC / 1-2-3-4-5-6-7-8-9-10A 1In Stock
173,70 €
Min.: 1
Mult.: 1
9 Circuit Breakers MICO 40 A 12 VDC, 24 VDC 2 Pole - 25 C + 55 C Non-Illuminated Bulk
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
75,61 €
Min.: 1
Mult.: 1


AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
157,68 €
Min.: 1
Mult.: 1
IEL


AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
180,02 €
Min.: 1
Mult.: 1
203 Circuit Breakers Magnetic 15 A 250 VAC 50 VDC Rocker - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 3In Stock
61,13 €
Min.: 1
Mult.: 1
CEL Circuit Breakers Hydraulic Magnetic 8 A 1 Pole Handle Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr,HydMag 1In Stock
143,22 €
Min.: 1
Mult.: 1
IAL/IDL/IML/IUL Circuit Breakers Hydraulic Magnetic 3 A 2 Pole Handle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
165,58 €
Min.: 1
Mult.: 1
Circuit Breakers Hydraulic Magnetic 10 A 2 Pole Handle - 40 C + 85 C Non-Illuminated


AIRPAX Circuit Breakers Cir Brkr Hyd Mag 4In Stock
148,98 €
Min.: 1
Mult.: 1
IAL/IDL/IML/IUL Circuit Breakers Hydraulic Magnetic 2 Pole Handle Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
103,52 €
Min.: 1
Mult.: 1
IAL/IDL/IML/IUL Circuit Breakers 60 A 250 VAC 2 Pole Paddle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 3In Stock
92,95 €
Min.: 1
Mult.: 1
Circuit Breakers Hydraulic Magnetic 6 A 240 VAC 80 VDC 2 Pole Toggle - 40 C + 85 C Non-Illuminated