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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
Circuit Breakers 15A D Characteristic UL 508 1 POLE 1D15UM Altech 1: £17.86 4In Stock	Mfr. Part No. 1D15UM Mouser Part No 845-1D15UM	Altech	Circuit Breakers 15A D Characteristic UL 508 1 POLE Learn More about Altech um v ea circuit breakers	Datasheet	4In Stock	£17.86 £17.62 £16.97 £15.45 View £15.10 Quote	Min.: 1 Mult.: 1	UM	Circuit Breakers	D-Trip	15 A	277 VAC	42 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 20A, D CHAR, 1POLE 277VAC, UL489 1D20UL Altech 1: £34.34 4In Stock	Mfr. Part No. 1D20UL Mouser Part No 845-1D20UL	Altech	Circuit Breakers 20A, D CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	4In Stock	£34.34 £29.49 £26.16 £24.14 View £22.82 £22.37	Min.: 1 Mult.: 1	UL			20 A	277 VAC		1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 20A D Characteristic UL 508 1 POLE 1D20UM Altech 1: £25.54 8In Stock	Mfr. Part No. 1D20UM Mouser Part No 845-1D20UM	Altech	Circuit Breakers 20A D Characteristic UL 508 1 POLE Learn More about Altech um v ea circuit breakers	Datasheet	8In Stock	£25.54 £23.59 £17.86 £17.31 View £16.68 £16.32 £16.00 Quote	Min.: 1 Mult.: 1	UM			20 A	277 VAC	42 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 20A,MCB D CHAR 1 PL, 277VAC, UL1077 1D20UR Altech 1: £19.12 19In Stock	Mfr. Part No. 1D20UR Mouser Part No 845-1D20UR	Altech	Circuit Breakers 20A,MCB D CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	19In Stock	£19.12 £16.08 £16.06 £12.79 View £12.27 £11.77 £11.45 Quote	Min.: 1 Mult.: 1	UR	Circuit Breakers	D-Trip	20 A	277 VAC		1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 25A, D CHAR, 1POLE 277VAC, UL489 1D25UL Altech 1: £37.11 5In Stock	Mfr. Part No. 1D25UL Mouser Part No 845-1D25UL	Altech	Circuit Breakers 25A, D CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	5In Stock	£37.11 £30.78 £26.49 £24.50 View £23.83 £23.11 Quote	Min.: 1 Mult.: 1	UL			25 A	277 VAC		1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 2A, D CHAR, 1POLE 277VAC, UL489 1D2UL Altech 1: £30.63 7In Stock	Mfr. Part No. 1D2UL Mouser Part No 845-1D2UL	Altech	Circuit Breakers 2A, D CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	7In Stock	£30.63 £27.46 £24.76 £23.49 View £22.91 £22.18 Quote	Min.: 1 Mult.: 1	UL			2 A	277 VAC		1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 2A D Characteristic UL 508 1 POLE 1D2UM Altech 1: £17.86 1In Stock	Mfr. Part No. 1D2UM Mouser Part No 845-1D2UM	Altech	Circuit Breakers 2A D Characteristic UL 508 1 POLE Learn More about Altech um v ea circuit breakers	Datasheet	1In Stock	£17.86 £17.67 £16.50 £15.90 View £15.45 £15.10 Quote	Min.: 1 Mult.: 1	UM	Circuit Breakers	D-Trip	2 A	277 VAC	42 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 30A D Characteristic UL 508 1 POLE 1D30UM Altech 1: £17.86 6In Stock	Mfr. Part No. 1D30UM Mouser Part No 845-1D30UM	Altech	Circuit Breakers 30A D Characteristic UL 508 1 POLE Learn More about Altech um v ea circuit breakers	Datasheet	6In Stock	£17.86 £16.97 £16.19 £15.46 View £15.09 Quote	Min.: 1 Mult.: 1	UM	Circuit Breakers	D-Trip	30 A	277 VAC	24 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 4A,MCB D CHAR 1 PL, 277VAC, UL1077 1D4UR Altech 1: £21.00 6In Stock	Mfr. Part No. 1D4UR Mouser Part No 845-1D4UR	Altech	Circuit Breakers 4A,MCB D CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	6In Stock	£21.00 £17.42 £14.46 £13.16 View £12.68 £12.27 £12.00 Quote	Min.: 1 Mult.: 1	UR			4 A	277 VAC		1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 5A D Characteristic UL 508 1 POLE 1D5UM Altech 1: £25.63 1In Stock 33On Order	Mfr. Part No. 1D5UM Mouser Part No 845-1D5UM	Altech	Circuit Breakers 5A D Characteristic UL 508 1 POLE Learn More about Altech um v ea circuit breakers	Datasheet	1In Stock 33On Order On Order Ship Dates Mfr. No: 1D5UM Stock: 1 Can Dispatch Immediately On Order: 14 Expected 08/01/2027 19 Expected 11/01/2027 Factory Lead Time: 18 Weeks	£25.63 £17.86 £17.81 £16.59 View £15.95 £15.47 £15.11 Quote	Min.: 1 Mult.: 1	UM	Circuit Breakers	D-Trip	5 A	277 VAC	42 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 63A, D CHAR, 1POLE 240VAC, UL489 1D63UL Altech 1: £26.80 5In Stock	Mfr. Part No. 1D63UL Mouser Part No 845-1D63UL	Altech	Circuit Breakers 63A, D CHAR, 1POLE 240VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	5In Stock	£26.80 £26.67 £25.98 £25.28 View Quote	Min.: 1 Mult.: 1	UL			63 A	240 VAC		1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 6A, D CHAR, 1POLE 277VAC, UL489 1D6UL Altech 1: £25.18 7In Stock	Mfr. Part No. 1D6UL Mouser Part No 845-1D6UL	Altech	Circuit Breakers 6A, D CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	7In Stock	£25.18 £24.67 £24.02 £23.36 View Quote	Min.: 1 Mult.: 1	UL			6 A	277 VAC		1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 8A,MCB D CHAR 1 PL, 277VAC, UL1077 1D8UR Altech 1: £21.00 2In Stock	Mfr. Part No. 1D8UR Mouser Part No 845-1D8UR	Altech	Circuit Breakers 8A,MCB D CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	2In Stock	£21.00 £14.55 £13.11 £11.83 View £11.71 £11.33 £11.04 Quote	Min.: 1 Mult.: 1	UR			8 A	277 VAC		1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 15A CRT BKR ECHAR 277VAC UL508 1E15UM Altech 1: £25.63 5In Stock	Mfr. Part No. 1E15UM Mouser Part No 845-1E15UM	Altech	Circuit Breakers 15A CRT BKR ECHAR 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	5In Stock	£25.63 £21.42 £17.86 £17.25 View £16.61 £16.12 £15.74 Quote	Min.: 1 Mult.: 1	UM	Circuit Breakers	E-Trip	15 A	277 VAC	42 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 4A CRT BRKR ECHAR 277VAC UL508 1E4UM Altech 1: £25.63 6In Stock	Mfr. Part No. 1E4UM Mouser Part No 845-1E4UM	Altech	Circuit Breakers 4A CRT BRKR ECHAR 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	6In Stock	£25.63 £21.42 £17.86 £17.25 View £16.50 £16.00 £15.63 Quote	Min.: 1 Mult.: 1	UM	Circuit Breakers	E-Trip	4 A	277 VAC	42 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 50A CRT BKR ECHAR 277VAC UL508 1E50UM Altech 1: £28.84 6In Stock 6Expected 13/10/2026	Mfr. Part No. 1E50UM Mouser Part No 845-1E50UM	Altech	Circuit Breakers 50A CRT BKR ECHAR 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	6In Stock 6Expected 13/10/2026	£28.84 £20.31 £19.63 £18.98 View £18.39 £17.95 Quote	Min.: 1 Mult.: 1	UM	Circuit Breakers	E-Trip	50 A	277 VAC	24 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 20A G Characteristic UL 508 1 POLE 1G20UM Altech 1: £27.51 4In Stock 6Expected 29/01/2027	Mfr. Part No. 1G20UM Mouser Part No 845-1G20UM	Altech	Circuit Breakers 20A G Characteristic UL 508 1 POLE Learn More about Altech um v ea circuit breakers	Datasheet	4In Stock 6Expected 29/01/2027	£27.51 £19.47 £18.02 £16.50 View £16.13 £15.67 £15.30 Quote	Min.: 1 Mult.: 1	UM	Circuit Breakers	G-Trip	20 A	277 VAC	42 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 25A G Characteristic UL 508 1 POLE 1G25UM Altech 1: £27.51 1In Stock	Mfr. Part No. 1G25UM Mouser Part No 845-1G25UM	Altech	Circuit Breakers 25A G Characteristic UL 508 1 POLE Learn More about Altech um v ea circuit breakers	Datasheet	1In Stock	£27.51 £19.22 £17.34 £15.65 View £15.57 £15.09 £14.72 Quote	Min.: 1 Mult.: 1	UM	Circuit Breakers	G-Trip	25 A	277 VAC	42 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 3.5A MCB GCHAR 1pl 277VAC UL508 1G3.5UM Altech 1: £25.63 3In Stock	Mfr. Part No. 1G3.5UM Mouser Part No 845-1G3.5UM	Altech	Circuit Breakers 3.5A MCB GCHAR 1pl 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	3In Stock	£25.63 £17.86 £17.25 £16.50 View £16.00 £15.63 Quote	Min.: 1 Mult.: 1	UM	Circuit Breakers	G-Trip	3.5 A	277 VAC	42 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 30A G Characteristic UL 508 1 POLE 1G30UM Altech 1: £25.63 1In Stock	Mfr. Part No. 1G30UM Mouser Part No 845-1G30UM	Altech	Circuit Breakers 30A G Characteristic UL 508 1 POLE Learn More about Altech um v ea circuit breakers	Datasheet	1In Stock	£25.63 £17.86 £16.97 £16.19 View £15.46 £15.09 Quote	Min.: 1 Mult.: 1	UM	Circuit Breakers	G-Trip	30 A	277 VAC	24 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 5A G Characteristic UL 508 1 POLE 1G5UM Altech 1: £17.86 21In Stock	Mfr. Part No. 1G5UM Mouser Part No 845-1G5UM	Altech	Circuit Breakers 5A G Characteristic UL 508 1 POLE Learn More about Altech um v ea circuit breakers	Datasheet	21In Stock	£17.86 £17.62 £16.97 £16.36 View £15.82 Quote	Min.: 1 Mult.: 1	UM			5 A	277 VAC	42 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 6A G Characteristic UL 508 1 POLE 1G6UM Altech 1: £27.51 1In Stock	Mfr. Part No. 1G6UM Mouser Part No 845-1G6UM	Altech	Circuit Breakers 6A G Characteristic UL 508 1 POLE Learn More about Altech um v ea circuit breakers	Datasheet	1In Stock	£27.51 £22.82 £21.05 £16.47 View £16.27 £15.74 £15.31 Quote	Min.: 1 Mult.: 1	UM			6 A	277 VAC	42 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 16A Z Characteristic UL 508 1 POLE 1Z16UM Altech 1: £44.18 2In Stock	Mfr. Part No. 1Z16UM Mouser Part No 845-1Z16UM	Altech	Circuit Breakers 16A Z Characteristic UL 508 1 POLE Learn More about Altech um v ea circuit breakers	Datasheet	2In Stock	£44.18 £31.99 £29.79 £28.88 View £28.07 Quote	Min.: 1 Mult.: 1	UM			16 A	277 VAC	42 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 1A,MCB B CHAR 2PL 480Y/277VAC, UL1077 2B1UR Altech 1: £37.63 22In Stock	Mfr. Part No. 2B1UR Mouser Part No 845-2B1UR	Altech	Circuit Breakers 1A,MCB B CHAR 2PL 480Y/277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	22In Stock	£37.63 £32.16 £30.22 £25.93 View £25.12 £24.37 Quote	Min.: 1 Mult.: 1	UR			1 A	277 VAC		2 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 10A, C CHAR, 2POLE 480Y/277VAC,UL489 2C10UL Altech 1: £50.34 12In Stock 63On Order	Mfr. Part No. 2C10UL Mouser Part No 845-2C10UL	Altech	Circuit Breakers 10A, C CHAR, 2POLE 480Y/277VAC,UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	12In Stock 63On Order On Order Ship Dates Mfr. No: 2C10UL Stock: 12 Can Dispatch Immediately On Order: 22 Expected 04/01/2027 41 Expected 12/02/2027 Factory Lead Time: 18 Weeks	£50.34 £47.81 £46.12 View Quote	Min.: 1 Mult.: 1	UL			10 A	277 VAC		2 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated