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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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.	Series	Product	Type	Current Rating	Voltage Rating AC	Voltage Rating DC	Number of Poles	Actuator	Minimum Operating Temperature	Maximum Operating Temperature	Illuminated	Packaging
Circuit Breakers CBMC E4 24DC/1-4A NO 2906031 Phoenix Contact 1: £87.31 136In Stock	Mfr. Part No. 2906031 Mouser Part No 651-2906031	Phoenix Contact	Circuit Breakers CBMC E4 24DC/1-4A NO Learn More about Phoenix Contact cbmc circuit breakers	Datasheet	136In Stock	£87.31	Min.: 1 Mult.: 1	CBMC	Circuit Breakers	Electronic	16 A		24 VDC	4 Pole		- 25 C	+ 60 C	Illuminated
Circuit Breakers QC , 1P, 100A, 120/240V, 10kaic QC1100 Eaton Electrical 1: £311.61 1In Stock New Product	Mfr. Part No. QC1100 Mouser Part No 504-QC1100 New Product	Eaton Electrical	Circuit Breakers QC , 1P, 100A, 120/240V, 10kaic	Datasheet	1In Stock	£311.61 £240.57 £227.67 View Quote	Min.: 1 Mult.: 1
Circuit Breakers Type CH Breaker 40A/3 Pole 240V 10K CH340 Eaton Electrical 1: £465.26 3In Stock New Product	Mfr. Part No. CH340 Mouser Part No 504-CH340 New Product	Eaton Electrical	Circuit Breakers Type CH Breaker 40A/3 Pole 240V 10K	Datasheet	3In Stock	£465.26 £379.92 £361.19 View Quote	Min.: 1 Mult.: 1
Circuit Breakers BR 30A/2 Pole Com. Trip 120/240V 22K BRH230 Eaton Electrical 1: £340.21 3In Stock New Product	Mfr. Part No. BRH230 Mouser Part No 504-BRH230 New Product	Eaton Electrical	Circuit Breakers BR 30A/2 Pole Com. Trip 120/240V 22K	Datasheet	3In Stock	£340.21 £254.64 £238.42 View Quote	Min.: 1 Mult.: 1
Circuit Breakers Type BR Breaker 20A/2 Pole 120/240V 10K BR220 Eaton Electrical 1: £121.66 3In Stock New Product	Mfr. Part No. BR220 Mouser Part No 504-BR220 New Product	Eaton Electrical	Circuit Breakers Type BR Breaker 20A/2 Pole 120/240V 10K	Datasheet	3In Stock	£121.66 £100.88 £94.00 £77.42 View £71.92 Quote	Min.: 1 Mult.: 1
Circuit Breakers EG 3P 80A adj therm 18kA CB w/end cap GEB3080AFM Eaton Electrical 1: £879.70 1In Stock New Product	Mfr. Part No. GEB3080AFM Mouser Part No 504-GEB3080AFM New Product	Eaton Electrical	Circuit Breakers EG 3P 80A adj therm 18kA CB w/end cap	Datasheet	1In Stock	£879.70	Min.: 1 Mult.: 1
Circuit Breakers PDG2,3P,20A,35KA/480V,FXFXTMTU PDG23G0020TFFN Eaton Electrical 1: £506.15 3In Stock New Product	Mfr. Part No. PDG23G0020TFFN Mouser Part No 504-PDG23G0020TFFN New Product	Eaton Electrical	Circuit Breakers PDG2,3P,20A,35KA/480V,FXFXTMTU	Datasheet	3In Stock	£506.15 £398.96 £367.76 View Quote	Min.: 1 Mult.: 1
Circuit Breakers CIRCUIT BREAKER SWITCH 25A WH W68-X2Q12-25 TE Connectivity / P&B 1: £238.08 87In Stock	Mfr. Part No. W68-X2Q12-25 Mouser Part No 655-W68-X2Q12-25	TE Connectivity / P&B	Circuit Breakers CIRCUIT BREAKER SWITCH 25A WH	Datasheet	87In Stock	£238.08 £209.45 £147.48 £134.62	Min.: 1 Mult.: 1	W6	Hydraulic Magnetic Circuit Breakers	Hydraulic Magnetic	25 A	277 VAC		2 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers PTCB E1 24DC/4A NO 2909906 Phoenix Contact 1: £22.60 1,206In Stock	Mfr. Part No. 2909906 Mouser Part No 651-2909906	Phoenix Contact	Circuit Breakers PTCB E1 24DC/4A NO Learn More about Phoenix Contact ptcb circuit breakers	Datasheet	1,206In Stock	£22.60	Min.: 1 Mult.: 1	PTCB		Circuit Breaker	12 mA
Circuit Breakers TMC 81C 20A 2907573 Phoenix Contact 1: £16.19 1,646In Stock	Mfr. Part No. 2907573 Mouser Part No 651-2907573	Phoenix Contact	Circuit Breakers TMC 81C 20A Learn More about Phoenix Contact TMC thermomagnetic circuit breakers	Datasheet	1,646In Stock	£16.19	Min.: 1 Mult.: 1	TMC 8	Circuit Breakers	Thermal Magnetic	20 A	120 VAC	60 VDC	1 Pole	Lever	- 35 C	+ 70 C	Non-Illuminated
Circuit Breakers 40A TOGGLE ACTUATOR W31-X2M1G-40 TE Connectivity / P&B 1: £43.48 422In Stock	Mfr. Part No. W31-X2M1G-40 Mouser Part No 655-W31-X2M1G-40	TE Connectivity / P&B	Circuit Breakers 40A TOGGLE ACTUATOR	Datasheet	422In Stock	£43.48 £42.79 £38.40 £36.53 £36.10	Min.: 1 Mult.: 1	W31	Circuit Breakers	Thermal	40 A	240 VAC	50 VDC	1 Pole	Toggle	- 20 C	+ 60 C	Non-Illuminated
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 413-K14-LN2-80A E-T-A 1: £66.17 354In Stock	Mfr. Part No. 413-K14-LN2-80A Mouser Part No 457-413-K14-LN2-80A	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 Learn More about E-T-A e t a 413 circuit breakers	Datasheet	354In Stock	£66.17 £56.06 £51.71 £42.78 Quote Quote	Min.: 1 Mult.: 1	413	Thermal Circuit Breakers	Thermal Magnetic	80 A	115 VAC	28 VDC	1 Pole	Push-Pull	- 55 C	+ 75 C	Non-Illuminated
Circuit Breakers 7A PUSH TO RESET W28-XQ1A-7 TE Connectivity / P&B 1: £3.26 8,367In Stock	Mfr. Part No. W28-XQ1A-7 Mouser Part No 655-W28-XQ1A-7	TE Connectivity / P&B	Circuit Breakers 7A PUSH TO RESET	Datasheet	8,367In Stock	£3.26 £2.85 £2.67	Min.: 1 Mult.: 1	W28	Thermal Circuit Breakers	Thermal Magnetic	7 A	250 VAC	32 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated	Tray
Circuit Breakers NSX400F 36kA AC 4P4D 400A 2.3 C40F42D400 Schneider Electric 1: £4,094.74 3In Stock New At Mouser	Mfr. Part No. C40F42D400 Mouser Part No 996-C40F42D400 New At Mouser	Schneider Electric	Circuit Breakers NSX400F 36kA AC 4P4D 400A 2.3	Datasheet	3In Stock	£4,094.74	Min.: 1 Mult.: 1		Circuit Breakers	Solid State	400 A	690 VAC		4 Pole	Toggle	- 25 C	+ 70 C	Illuminated
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 1620-3-7.5A E-T-A 1: £10.01 383In Stock	Mfr. Part No. 1620-3-7.5A Mouser Part No 457-1620-3-7.5A	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 Learn More about E-T-A e t a 1620 circuit breakers	Datasheet	383In Stock	£10.01 £9.31 £8.23 £7.15 View £6.08 £5.73 £5.00 £4.83 Quote	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
Circuit Breakers Cir Brkr Hyd Mag IEG111-1-61-20.0-A-01-V AIRPAX 1: £138.56 9In Stock	Mfr. Part No. IEG111-1-61-20.0-A-01-V Mouser Part No 874-IEG111161200A01V	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag	Datasheet	9In Stock	£138.56	Min.: 1 Mult.: 1	217	Circuit Breakers	Hydraulic Magnetic	20 A			3 Pole	Handle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers PP11-2-5.00A-OA-V AIRPAX 1: £15.46 93In Stock New At Mouser	Mfr. Part No. PP11-2-5.00A-OA-V Mouser Part No 874-PP112500AOAV New At Mouser	AIRPAX	Circuit Breakers	Datasheet	93In Stock	£15.46	Min.: 1 Mult.: 1	Snapak	Thermal Circuit Breakers	Thermal	5 A			1 Pole	Push-Pull	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers RCD F200 2P 40A 100MA 480Y/277 F202AC-40/0.1 ABB 1: £506.93 3In Stock	Mfr. Part No. F202AC-40/0.1 Mouser Part No 894-F202AC-40/0.1	ABB	Circuit Breakers RCD F200 2P 40A 100MA 480Y/277 Learn More about ABB f200 circuit breakers	Datasheet	3In Stock	£506.93 £448.66 £404.30 View Quote	Min.: 1 Mult.: 1	F200
Circuit Breakers MCSW 3VA53 3P 400A 65KA 3VA53400BB310AA0 Siemens 1: £2,384.28 1In Stock	Mfr. Part No. 3VA53400BB310AA0 Mouser Part No 982-3VA53400BB310AA0	Siemens	Circuit Breakers MCSW 3VA53 3P 400A 65KA Learn More about Siemens 3va molded case circuit breakers	Datasheet	1In Stock	£2,384.28	Min.: 1 Mult.: 1	3VA	Thermal Magnetic Circuit Breakers	System Protection	400 A	690 VAC	500 VDC	3 Pole	Paddle	- 25 C	+ 70 C	Non-Illuminated
Circuit Breakers BRKR 3VA62 3P 250A 65KA ETU3-LI AL 3VA62256HL360AA0 Siemens 1: £3,141.78 1In Stock	Mfr. Part No. 3VA62256HL360AA0 Mouser Part No 982-3VA62256HL360AA0	Siemens	Circuit Breakers BRKR 3VA62 3P 250A 65KA ETU3-LI AL Learn More about Siemens 3va molded case circuit breakers	Datasheet	1In Stock	£3,141.78	Min.: 1 Mult.: 1	3VA	Electronic Circuit Breakers	System Protection	250 A	690 VAC		3 Pole	Paddle	- 25 C	+ 70 C	Non-Illuminated
Circuit Breakers BRKR ED4 2P 480V 20A ED42B020 Siemens 1: £1,346.46 1In Stock	Mfr. Part No. ED42B020 Mouser Part No 982-ED42B020	Siemens	Circuit Breakers BRKR ED4 2P 480V 20A	Datasheet	1In Stock	£1,346.46	Min.: 1 Mult.: 1		Circuit Breakers	Low Voltage	20 A	480 VAC		2 Pole	Handle			Non-Illuminated
Circuit Breakers Multi9 GFP 4P 100A 86mA A-SI 480Y/277V M9R12491 Schneider Electric 1: £1,126.17 3In Stock New At Mouser	Mfr. Part No. M9R12491 Mouser Part No 996-M9R12491 New At Mouser	Schneider Electric	Circuit Breakers Multi9 GFP 4P 100A 86mA A-SI 480Y/277V	Datasheet	3In Stock	£1,126.17	Min.: 1 Mult.: 1	Multi9
Circuit Breakers MotBreak GV4PE Therm/Mag 115A 50kA Elink GV4PE115N Schneider Electric 1: £774.22 1In Stock New At Mouser	Mfr. Part No. GV4PE115N Mouser Part No 996-GV4PE115N New At Mouser	Schneider Electric	Circuit Breakers MotBreak GV4PE Therm/Mag 115A 50kA Elink	Datasheet	1In Stock	£774.22	Min.: 1 Mult.: 1	GV
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 3120-N321-H7M1-W01F-16A E-T-A 1: £46.30 83In Stock	Mfr. Part No. 3120-N321-H7M1-W01F-16A Mouser Part No 457-321H7M1W01F16A	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 Learn More about E-T-A e t a 3120 n thermal circuit breakers	Datasheet	83In Stock	£46.30 £39.47 £36.49 £32.04 £28.68	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
Circuit Breakers Cir Brkr,HydMag LELBXB1-1REC4-70014-40 AIRPAX 1: £79.86 18In Stock	Mfr. Part No. LELBXB1-1REC4-70014-40 Mouser Part No 874-BXB11REC47001440	AIRPAX	Circuit Breakers Cir Brkr,HydMag	Datasheet	18In Stock	£79.86	Min.: 1 Mult.: 1