Circuit Breakers – Mouser United Kingdom

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UL (AC) & DL (DC) Circuit Breakers

Altech UL (AC) and DL (DC) Circuit Breakers are available in both AC and DC models and offer 10kA short-circuit interrupting capacity. These thermal magnetic modules feature a 17.5mm width, a miniature size, and DIN-rail mounting. The series has a 0.3 to 63A current range and 6000 switching cycles of electrical life. Applications for Altech UL (AC) and DL (DC) Circuit Breakers include lighting, wiring protection, appliances, transformers, and telecommunication.

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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 25A, C CHAR, 3POLE 480Y/277VAC,UL489 3C25UL Altech 1: £75.51 5Expected 21/12/2026	Mfr. Part No. 3C25UL Mouser Part No 845-3C25UL	Altech	Circuit Breakers 25A, C CHAR, 3POLE 480Y/277VAC,UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	5Expected 21/12/2026	£75.51 £72.05 £70.69 View Quote	Min.: 1 Mult.: 1	UL	Circuit Breakers	C-Trip	25 A	277 VAC	3 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 20A, D CHAR, 3POLE 480Y/277VAC,UL489 3D20UL Altech 1: £75.51 11Expected 08/01/2027	Mfr. Part No. 3D20UL Mouser Part No 845-3D20UL	Altech	Circuit Breakers 20A, D CHAR, 3POLE 480Y/277VAC,UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	11Expected 08/01/2027	£75.51 £68.42 £66.95 View Quote	Min.: 1 Mult.: 1	UL	Circuit Breakers	D-Trip	20 A	277 VAC	3 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 30A, D CHAR, 3POLE 480Y/277VAC,UL489 3D30UL Altech 1: £75.51 5Expected 17/11/2026	Mfr. Part No. 3D30UL Mouser Part No 845-3D30UL	Altech	Circuit Breakers 30A, D CHAR, 3POLE 480Y/277VAC,UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	5Expected 17/11/2026	£75.51 £69.60 £68.35 View Quote	Min.: 1 Mult.: 1	UL	Circuit Breakers	D-Trip	30 A	277 VAC	3 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 60A, D CHAR, 3POLE 240VAC,UL489 3D60UL Altech 1: £80.39 5Expected 16/11/2026	Mfr. Part No. 3D60UL Mouser Part No 845-3D60UL	Altech	Circuit Breakers 60A, D CHAR, 3POLE 240VAC,UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	5Expected 16/11/2026	£80.39 £80.38 £80.15 View Quote	Min.: 1 Mult.: 1	UL			60 A	240 VAC	3 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 63A, D CHAR, 3POLE 240VAC,UL489 3D63UL Altech 1: £85.84 9Factory Stock Available	Mfr. Part No. 3D63UL Mouser Part No 845-3D63UL	Altech	Circuit Breakers 63A, D CHAR, 3POLE 240VAC,UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	9Factory Stock Available More Info Available	£85.84 £76.09 £73.27 £68.40 View £66.95 Quote	Min.: 1 Mult.: 1	UL			63 A	240 VAC	3 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 12A, C CHAR, 1POLE 277VAC, UL489 1C12UL Altech 1: £25.18 11Factory Stock Available	Mfr. Part No. 1C12UL Mouser Part No 845-1C12UL	Altech	Circuit Breakers 12A, C CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	11Factory Stock Available More Info Available	£25.18 £24.22 £23.48 £22.81 View Quote	Min.: 1 Mult.: 1	UL			12 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 1A, C CHAR, 1POLE 277VAC, UL489 1C1UL Altech 1: £25.18 84Factory Stock Available	Mfr. Part No. 1C1UL Mouser Part No 845-1C1UL	Altech	Circuit Breakers 1A, C CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	84Factory Stock Available More Info Available	£25.18 £24.58 £23.14 £22.56 View £22.03 Quote	Min.: 1 Mult.: 1	UL			1 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 50A, C CHAR, 1POLE 240VAC, UL489 1C50UL Altech 1: £26.80 3Factory Stock Available	Mfr. Part No. 1C50UL Mouser Part No 845-1C50UL	Altech	Circuit Breakers 50A, C CHAR, 1POLE 240VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	3Factory Stock Available More Info Available	£26.80 £25.08 £24.22 £23.60 View Quote	Min.: 1 Mult.: 1	UL			50 A	240 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 63A, C CHAR, 1POLE 240VAC, UL489 1C63UL Altech 1: £26.80 7Factory Stock Available	Mfr. Part No. 1C63UL Mouser Part No 845-1C63UL	Altech	Circuit Breakers 63A, C CHAR, 1POLE 240VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	7Factory Stock Available More Info Available	£26.80 £25.54 £24.85 £24.23 Quote Quote	Min.: 1 Mult.: 1	UL			63 A	240 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 0.3A, D CHAR, 1POLE 277VAC, UL489 1D03UL Altech 1: £25.18 10Factory Stock Available	Mfr. Part No. 1D03UL Mouser Part No 845-1D03UL	Altech	Circuit Breakers 0.3A, D CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	10Factory Stock Available More Info Available	£25.18 £25.02 £24.35 View Quote	Min.: 1 Mult.: 1	UL			300 mA	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 0.5A, D CHAR, 1POLE 277VAC, UL489 1D05UL Altech 1: £25.18 24Factory Stock Available	Mfr. Part No. 1D05UL Mouser Part No 845-1D05UL	Altech	Circuit Breakers 0.5A, D CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	24Factory Stock Available More Info Available	£25.18 £24.36 £23.70 £23.00 View Quote	Min.: 1 Mult.: 1	UL			500 mA	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 1.6A, D CHAR, 1POLE 277VAC, UL489 1D1.6UL Altech 1: £28.45 1Factory Stock Available	Mfr. Part No. 1D1.6UL Mouser Part No 845-1D1.6UL	Altech	Circuit Breakers 1.6A, D CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	1Factory Stock Available More Info Available	£28.45 £25.93 £24.21 £23.30 View £22.70 £22.04 Quote	Min.: 1 Mult.: 1	UL	Circuit Breakers	D-Trip	1.6 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 12A, D CHAR, 1POLE 277VAC, UL489 1D12UL Altech 1: £43.43 13Factory Stock Available	Mfr. Part No. 1D12UL Mouser Part No 845-1D12UL	Altech	Circuit Breakers 12A, D CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	13Factory Stock Available More Info Available	£43.43 £32.75 £29.66 £25.18 View £25.02 £24.34 Quote	Min.: 1 Mult.: 1	UL			12 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 13A, D CHAR, 1POLE 277VAC, UL489 1D13UL Altech 1: £25.18 10Factory Stock Available	Mfr. Part No. 1D13UL Mouser Part No 845-1D13UL	Altech	Circuit Breakers 13A, D CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	10Factory Stock Available More Info Available	£25.18 £23.98 £23.34 £22.65 Quote Quote	Min.: 1 Mult.: 1	UL			13 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 16A, D CHAR, 1POLE 277VAC, UL489 1D16UL Altech 1: £25.18 1Factory Stock Available	Mfr. Part No. 1D16UL Mouser Part No 845-1D16UL	Altech	Circuit Breakers 16A, D CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	1Factory Stock Available More Info Available	£25.18 £23.98 £23.23 £22.54 View Quote	Min.: 1 Mult.: 1	UL			16 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 1A, D CHAR, 1POLE 277VAC, UL489 1D1UL Altech 1: £25.18 15Factory Stock Available	Mfr. Part No. 1D1UL Mouser Part No 845-1D1UL	Altech	Circuit Breakers 1A, D CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	15Factory Stock Available More Info Available	£25.18 £24.94 £23.37 £22.72 View £22.13 Quote	Min.: 1 Mult.: 1	UL			1 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 32A, D CHAR, 1POLE 277VAC, UL489 1D32UL Altech 1: £25.18 18Factory Stock Available	Mfr. Part No. 1D32UL Mouser Part No 845-1D32UL	Altech	Circuit Breakers 32A, D CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	18Factory Stock Available More Info Available	£25.18 £23.98 £23.34 £22.76 Quote Quote	Min.: 1 Mult.: 1	UL			32 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 40A, D CHAR, 1POLE 240VAC, UL489 1D40UL Altech 1: £26.80 59Factory Stock Available	Mfr. Part No. 1D40UL Mouser Part No 845-1D40UL	Altech	Circuit Breakers 40A, D CHAR, 1POLE 240VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	59Factory Stock Available More Info Available	£26.80 £25.42 £24.74 £24.14 View Quote	Min.: 1 Mult.: 1	UL			40 A	240 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 5A, D CHAR, 1POLE 277VAC, UL489 1D5UL Altech 1: £25.18 30Factory Stock Available	Mfr. Part No. 1D5UL Mouser Part No 845-1D5UL	Altech	Circuit Breakers 5A, D CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	30Factory Stock Available More Info Available	£25.18 £24.43 £23.57 £23.04 Quote Quote	Min.: 1 Mult.: 1	UL			5 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 60A, D CHAR, 1POLE 240VAC, UL489 1D60UL Altech 1: £26.80 26Factory Stock Available	Mfr. Part No. 1D60UL Mouser Part No 845-1D60UL	Altech	Circuit Breakers 60A, D CHAR, 1POLE 240VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	26Factory Stock Available More Info Available	£26.80 £26.64 £24.88 £24.17 View £23.56 Quote	Min.: 1 Mult.: 1	UL			60 A	240 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 16A, C CHAR, 2POLE 480Y/277VAC,UL489 2C16UL Altech 1: £50.34 100Factory Stock Available	Mfr. Part No. 2C16UL Mouser Part No 845-2C16UL	Altech	Circuit Breakers 16A, C CHAR, 2POLE 480Y/277VAC,UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	100Factory Stock Available More Info Available	£50.34 £48.15 £47.10 View Quote	Min.: 1 Mult.: 1	UL			16 A	277 VAC	2 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 2A, C CHAR, 2POLE 480Y/277VAC,UL489 2C2UL Altech 1: £64.30 1Factory Stock Available	Mfr. Part No. 2C2UL Mouser Part No 845-2C2UL	Altech	Circuit Breakers 2A, C CHAR, 2POLE 480Y/277VAC,UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	1Factory Stock Available More Info Available	£64.30 £57.74 £50.34 £49.99 View £49.08 Quote	Min.: 1 Mult.: 1	UL	Circuit Breakers	C-Trip	2 A	277 VAC	2 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 30A, C CHAR, 2POLE 480Y/277VAC,UL489 2C30UL Altech 1: £50.34 57Factory Stock Available	Mfr. Part No. 2C30UL Mouser Part No 845-2C30UL	Altech	Circuit Breakers 30A, C CHAR, 2POLE 480Y/277VAC,UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	57Factory Stock Available More Info Available	£50.34 £50.08 £47.49 £46.63 View Quote	Min.: 1 Mult.: 1	UL			30 A	277 VAC	2 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 50A, C CHAR, 2POLE 240VAC, UL489 2C50UL Altech 1: £53.59 12Factory Stock Available	Mfr. Part No. 2C50UL Mouser Part No 845-2C50UL	Altech	Circuit Breakers 50A, C CHAR, 2POLE 240VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	12Factory Stock Available More Info Available	£53.59 £51.97 £50.95 View Quote	Min.: 1 Mult.: 1	UL	Circuit Breakers	C-Trip	50 A	240 VAC	2 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 1.6A, D CHAR, 2POLE 480Y/277VAC,UL489 2D1.6UL Altech 1: £50.34 1Factory Stock Available	Mfr. Part No. 2D1.6UL Mouser Part No 845-2D1.6UL	Altech	Circuit Breakers 1.6A, D CHAR, 2POLE 480Y/277VAC,UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	1Factory Stock Available More Info Available	£50.34 £49.48 £46.96 £43.82 View £42.75 Quote	Min.: 1 Mult.: 1	UL	Circuit Breakers	D-Trip	1.6 A	277 VAC	2 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated