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: 162.059
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
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
38,17 €
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 3 A 250 VAC 65 VDC 1 Pole Rocker - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
73,75 €
Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 20 A 2 Pole Rocker - 40 C + 85 C
AIRPAX Circuit Breakers Cir Brkr,HydMag 1In Stock
121,95 €
Min.: 1
Mult.: 1
ABB Circuit Breakers MCB S200MUC 1P Z 8A AC/DC 5In Stock
114,92 €
95,30 €
83,45 €
75,83 €
Min.: 1
Mult.: 1
Circuit Breakers 8 A 1 Pole
ABB Circuit Breakers MCB S200MUC 2P C 25A AC/DC 4In Stock
215,07 €
162,86 €
154,08 €
135,89 €
Min.: 1
Mult.: 1
Circuit Breakers 25 A 2 Pole
ABB Circuit Breakers MCB ST200M 1P K 1.6A UL1077
Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK
11In Stock
48,95 €
40,61 €
37,45 €
31,45 €
Min.: 1
Mult.: 1
ST200M Circuit Breakers 1.6 A 1 Pole
ABB Circuit Breakers MCB SU200MR RTT 2P K 25A BCP
Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK
3In Stock
2Expected 1/25/2027
136,96 €
121,50 €
111,11 €
96,50 €
Min.: 1
Mult.: 1
SU200MR Circuit Breakers 25 A 2 Pole
ABB Circuit Breakers UL489 MCB 3P C 1A 480/277
Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK
1In Stock
10Expected 7/9/2027
164,43 €
134,88 €
124,47 €
Min.: 1
Mult.: 1
SU200M Circuit Breakers 1 A 3 Pole
ABB Circuit Breakers MCB SU200MR RTT 3P K 40A BCP
Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK
1In Stock
10Expected 11/27/2026
204,17 €
181,78 €
166,62 €
148,69 €
Min.: 1
Mult.: 1
SU200MR Circuit Breakers 40 A 3 Pole
Square D Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 15A 3In Stock
307,90 €
Min.: 1
Mult.: 1
QO Circuit Breakers Miniature 15 A 120 VAC, 240 VAC 3 Pole Lever Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
1.525,03 €
1.321,67 €
Min.: 1
Mult.: 1
No
AP Circuit Breakers Hydraulic Magnetic 3 A 250 VAC 80 VDC 3 Pole Toggle - 40 C + 100 C Non-Illuminated
AIRPAX Circuit Breakers CIRCUIT BREAKER 5In Stock
863,47 €
748,36 €
Min.: 1
Mult.: 1
No
AP Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 5 A 240 VAC 50 VDC 2 Pole Toggle - 40 C + 100 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 238In Stock
5,51 €
4,58 €
4,22 €
3,50 €
Min.: 1
Mult.: 1
1658 Thermal Circuit Breakers Overcurrent Protection 25 A 240 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
Phoenix Contact Circuit Breakers EC-E1 8A 8 A, N/O SIGNAL CNT 11In Stock
103,42 €
Min.: 1
Mult.: 1
EC-E Circuit Breakers Electronic 8 A 24 VDC 1 Pole Slide 0 C + 50 C Non-Illuminated Bulk
Phoenix Contact Circuit Breakers TMC 83C 01A 38In Stock
55,64 €
Min.: 1
Mult.: 1
TMC 8 Circuit Breakers Thermal Magnetic 1 A 240 VAC 3 Pole Lever - 35 C + 70 C Non-Illuminated
Phoenix Contact Circuit Breakers TMC 81D 03A 74In Stock
20,37 €
Min.: 1
Mult.: 1
TMC 8 Circuit Breakers Thermal Magnetic 3 A 120 VAC 60 VDC 1 Pole Lever - 35 C + 70 C Non-Illuminated
Omron Automation and Safety Circuit Breakers 3 pole motor circuit protector
Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK
3In Stock
303,01 €
279,79 €
277,90 €
Min.: 1
Mult.: 1


TE Connectivity / P&B Circuit Breakers W51-A151A1-7=CKTBKRK THERM ROCK 399In Stock
4,15 €
3,96 €
3,78 €
3,57 €
Min.: 1
Mult.: 1
W51 Circuit Breakers Supplementary Protector 7 A 125 VAC 50 VDC 1 Pole Rocker 0 C + 60 C Non-Illuminated
TE Connectivity Circuit Breakers CKTBKR THERM ROCK QC.250 118In Stock
93,21 €
84,67 €
81,86 €
78,04 €
Min.: 1
Mult.: 1
W33 Circuit Breakers Thermal 12 A 250 VAC 50 VDC 2 Pole Rocker - 20 C + 60 C Illuminated
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 15A BLK 100In Stock
84,22 €
81,35 €
Min.: 1
Mult.: 1
W9 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 15 A 277 VAC 1 Pole Toggle - 40 C + 85 C Non-Illuminated
IDEC Circuit Breakers Circuit Protector 15A
Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK
4In Stock
27,66 €
19,57 €
17,84 €
16,07 €
Min.: 1
Mult.: 1
NRA Circuit Breakers Magnetic 15 A 250 VAC 65 VDC 1 Pole Lever - 40 C + 85 C Non-Illuminated
IDEC Circuit Breakers Circuit Protector 7.5A 1In Stock
84,80 €
72,75 €
68,67 €
64,41 €
Min.: 1
Mult.: 1
NRB Circuit Breakers 7.5 A 250 VAC 65 VDC 2 Pole Lever - 40 C + 85 C Non-Illuminated


IDEC Circuit Breakers Circuit Protector 1In Stock
16,51 €
14,88 €
13,64 €
11,77 €
Min.: 1
Mult.: 1
NRF Circuit Breakers 250 VAC 32 VDC 1 Pole - 10 C + 60 C
E-T-A Circuit Breakers 1077, 1P, DM, 277VAC/60VDC, C, 35A 5In Stock
15,90 €
13,92 €
12,46 €
11,67 €
Min.: 1
Mult.: 1
4230-T Miniature Circuit Breakers Thermal Magnetic Toggle


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 13In Stock
38,06 €
32,44 €
29,92 €
29,05 €
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 10 A 240 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Illuminated