Circuit Breakers – Mouser United Kingdom

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UR Circuit Breakers

Altech UR Circuit Breakers are UL 1077-recognized supplementary protectors with B-, C-, and D-trip curves. These DIN-rail-mounted modules are available in 1-, 2-, and 3-pole variants as well as an add-on neutral pole option. Altech UR Circuit Breakers feature a 17.5mm width per pole and 10kA short circuit withstand capacity. Typical applications include sensitive electronics, power supplies, and appliance circuits.

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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	Number of Poles	Actuator	Minimum Operating Temperature	Maximum Operating Temperature	Illuminated
Circuit Breakers 30A,MCB B CHAR 1 PL, 277VAC, UL1077 1B30UR Altech 1: £13.40 50Factory Stock Available	Mfr. Part No. 1B30UR Mouser Part No 845-1B30UR	Altech	Circuit Breakers 30A,MCB B CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	50Factory Stock Available More Info Available	£13.40 £13.01 £12.48 £12.14 £11.86	Min.: 1 Mult.: 1	UR			30 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 32A,MCB B CHAR 1 PL, 277VAC, UL1077 1B32UR Altech 1: £13.40 37Factory Stock Available	Mfr. Part No. 1B32UR Mouser Part No 845-1B32UR	Altech	Circuit Breakers 32A,MCB B CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	37Factory Stock Available More Info Available	£13.40 £13.01 £12.48 £12.14 £11.86	Min.: 1 Mult.: 1	UR			32 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 3A,MCB B CHAR 1 PL, 277VAC, UL1077 1B3UR Altech 1: £21.67 92Factory Stock Available	Mfr. Part No. 1B3UR Mouser Part No 845-1B3UR	Altech	Circuit Breakers 3A,MCB B CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	92Factory Stock Available More Info Available	£21.67 £20.10 £15.91 £14.05 View £13.34 £13.01 £12.75 Quote	Min.: 1 Mult.: 1	UR			3 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 40A,MCB B CHAR 1 PL, 277VAC, UL1077 1B40UR Altech 1: £17.73 17Factory Stock Available	Mfr. Part No. 1B40UR Mouser Part No 845-1B40UR	Altech	Circuit Breakers 40A,MCB B CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	17Factory Stock Available More Info Available	£17.73 £16.12 £14.65 £13.32 View £12.90 £12.55 £12.25 Quote	Min.: 1 Mult.: 1	UR			40 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 8A,MCB B CHAR 1 PL, 277VAC, UL1077 1B8UR Altech 1: £13.40 53Factory Stock Available	Mfr. Part No. 1B8UR Mouser Part No 845-1B8UR	Altech	Circuit Breakers 8A,MCB B CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	53Factory Stock Available More Info Available	£13.40 £13.01 £12.48 £12.14 £11.86	Min.: 1 Mult.: 1	UR			8 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 0.5A,MCB C CHAR 1 PL, 277VAC, UL1077 1C05UR Altech 1: £13.40 74Factory Stock Available	Mfr. Part No. 1C05UR Mouser Part No 845-1C05UR	Altech	Circuit Breakers 0.5A,MCB C CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	74Factory Stock Available More Info Available	£13.40 £13.01 £12.48 £12.14 £11.86	Min.: 1 Mult.: 1	UR			500 mA	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 15A,MCB C CHAR 1 PL, 277VAC, UL1077 1C15UR Altech 1: £13.40 19Factory Stock Available	Mfr. Part No. 1C15UR Mouser Part No 845-1C15UR	Altech	Circuit Breakers 15A,MCB C CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	19Factory Stock Available More Info Available	£13.40 £13.10 £12.55 £12.20 View £11.91 Quote	Min.: 1 Mult.: 1	UR			15 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 16A,MCB C CHAR 1 PL, 277VAC, UL1077 1C16UR Altech 1: £13.40 56Factory Stock Available	Mfr. Part No. 1C16UR Mouser Part No 845-1C16UR	Altech	Circuit Breakers 16A,MCB C CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	56Factory Stock Available More Info Available	£13.40 £13.19 £12.21 £11.70 View £11.36 £11.08	Min.: 1 Mult.: 1	UR	Circuit Breakers	C-Trip	16 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 1A,MCB C CHAR 1 PL, 277VAC, UL1077 1C1UR Altech 1: £17.54 12Factory Stock Available	Mfr. Part No. 1C1UR Mouser Part No 845-1C1UR	Altech	Circuit Breakers 1A,MCB C CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	12Factory Stock Available More Info Available	£17.54 £15.96 £14.61 £13.27 View £12.75 £12.40 £12.10	Min.: 1 Mult.: 1	UR			1 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 20A,MCB C CHAR 1 PL, 277VAC, UL1077 1C20UR Altech 1: £13.40 75Factory Stock Available	Mfr. Part No. 1C20UR Mouser Part No 845-1C20UR	Altech	Circuit Breakers 20A,MCB C CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	75Factory Stock Available More Info Available	£13.40 £13.06 £12.09 £11.66 View £11.29 £10.96	Min.: 1 Mult.: 1	UR			20 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 25A,MCB C CHAR 1 PL, 277VAC, UL1077 1C25UR Altech 1: £13.40 144Factory Stock Available	Mfr. Part No. 1C25UR Mouser Part No 845-1C25UR	Altech	Circuit Breakers 25A,MCB C CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	144Factory Stock Available More Info Available	£13.40 £13.01 £12.48 £12.14 £11.86	Min.: 1 Mult.: 1	UR			25 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 2A,MCB C CHAR 1 PL, 277VAC, UL1077 1C2UR Altech 1: £21.96 14Factory Stock Available	Mfr. Part No. 1C2UR Mouser Part No 845-1C2UR	Altech	Circuit Breakers 2A,MCB C CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	14Factory Stock Available More Info Available	£21.96 £20.26 £15.91 £14.03 View £13.23 £12.89 £12.64 Quote	Min.: 1 Mult.: 1	UR	Circuit Breakers	C-Trip	2 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 30A,MCB C CHAR 1 PL, 277VAC, UL1077 1C30UR Altech 1: £13.40 12Factory Stock Available	Mfr. Part No. 1C30UR Mouser Part No 845-1C30UR	Altech	Circuit Breakers 30A,MCB C CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	12Factory Stock Available More Info Available	£13.40 £12.74 £12.16 £11.83 View £11.54 Quote	Min.: 1 Mult.: 1	UR			30 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 32A,MCB C CHAR 1 PL, 277VAC, UL1077 1C32UR Altech 1: £13.40 44Factory Stock Available	Mfr. Part No. 1C32UR Mouser Part No 845-1C32UR	Altech	Circuit Breakers 32A,MCB C CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	44Factory Stock Available More Info Available	£13.40 £13.10 £12.55 £12.20 View £11.91 Quote	Min.: 1 Mult.: 1	UR			32 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 40A,MCB C CHAR 1 PL, 277VAC, UL1077 1C40UR Altech 1: £14.21 27Factory Stock Available	Mfr. Part No. 1C40UR Mouser Part No 845-1C40UR	Altech	Circuit Breakers 40A,MCB C CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	27Factory Stock Available More Info Available	£14.21 £13.81 £13.24 £12.89 £12.58	Min.: 1 Mult.: 1	UR			40 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 4A,MCB C CHAR 1 PL, 277VAC, UL1077 1C4UR Altech 1: £20.45 47Factory Stock Available	Mfr. Part No. 1C4UR Mouser Part No 845-1C4UR	Altech	Circuit Breakers 4A,MCB C CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	47Factory Stock Available More Info Available	£20.45 £18.87 £15.55 £14.05 View £13.30 £12.93 £12.53 Quote	Min.: 1 Mult.: 1	UR			4 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 50A,MCB C CHAR 1 PL, 277VAC, UL1077 1C50UR Altech 1: £14.21 35Factory Stock Available	Mfr. Part No. 1C50UR Mouser Part No 845-1C50UR	Altech	Circuit Breakers 50A,MCB C CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	35Factory Stock Available More Info Available	£14.21 £13.51 £12.90 £12.54 £12.24	Min.: 1 Mult.: 1	UR			50 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 5A,MCB C CHAR 1 PL, 277VAC, UL1077 1C5UR Altech 1: £13.40 40Factory Stock Available	Mfr. Part No. 1C5UR Mouser Part No 845-1C5UR	Altech	Circuit Breakers 5A,MCB C CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	40Factory Stock Available More Info Available	£13.40 £13.01 £12.68 £12.31 Quote Quote	Min.: 1 Mult.: 1	UR			5 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 63A,MCB C CHAR 1 PL, 277VAC, UL1077 1C63UR Altech 1: £14.21 60Factory Stock Available	Mfr. Part No. 1C63UR Mouser Part No 845-1C63UR	Altech	Circuit Breakers 63A,MCB C CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	60Factory Stock Available More Info Available	£14.21 £14.15 £13.80 £13.53 Quote Quote	Min.: 1 Mult.: 1	UR			63 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 8A,MCB C CHAR 1 PL, 277VAC, UL1077 1C8UR Altech 1: £17.24 4Factory Stock Available	Mfr. Part No. 1C8UR Mouser Part No 845-1C8UR	Altech	Circuit Breakers 8A,MCB C CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	4Factory Stock Available More Info Available	£17.24 £15.67 £14.19 £12.89 View £12.48 £12.14 £11.86	Min.: 1 Mult.: 1	UR			8 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 0.5A,MCB D CHAR 1 PL, 277VAC, UL1077 1D05UR Altech 1: £13.40 6Factory Stock Available	Mfr. Part No. 1D05UR Mouser Part No 845-1D05UR	Altech	Circuit Breakers 0.5A,MCB D CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	6Factory Stock Available More Info Available	£13.40 £13.04 £12.51 £12.17 View £11.89 Quote	Min.: 1 Mult.: 1	UR			500 mA	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 15A,MCB D CHAR 1 PL, 277VAC, UL1077 1D15UR Altech 1: £13.40 59Factory Stock Available	Mfr. Part No. 1D15UR Mouser Part No 845-1D15UR	Altech	Circuit Breakers 15A,MCB D CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	59Factory Stock Available More Info Available	£13.40 £13.01 £12.37 £12.04 £11.75	Min.: 1 Mult.: 1	UR			15 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 1A,MCB D CHAR 1 PL, 277VAC, UL1077 1D1UR Altech 1: £16.76 10Factory Stock Available	Mfr. Part No. 1D1UR Mouser Part No 845-1D1UR	Altech	Circuit Breakers 1A,MCB D CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	10Factory Stock Available More Info Available	£16.76 £15.26 £13.83 £12.66 View £12.26 £11.94 £11.69 Quote	Min.: 1 Mult.: 1	UR	Circuit Breakers	D-Trip	1 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 25A,MCB D CHAR 1 PL, 277VAC, UL1077 1D25UR Altech 1: £13.40 85Factory Stock Available	Mfr. Part No. 1D25UR Mouser Part No 845-1D25UR	Altech	Circuit Breakers 25A,MCB D CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	85Factory Stock Available More Info Available	£13.40 £13.01 £12.52 £12.20 View £11.94 Quote	Min.: 1 Mult.: 1	UR			25 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 30A,MCB D CHAR 1 PL, 277VAC, UL1077 1D30UR Altech 1: £16.29 1Factory Stock Available	Mfr. Part No. 1D30UR Mouser Part No 845-1D30UR	Altech	Circuit Breakers 30A,MCB D CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	1Factory Stock Available More Info Available	£16.29 £14.96 £13.72 £12.58 View £12.27 £11.95 £11.70 Quote	Min.: 1 Mult.: 1	UR			30 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated