Circuit Breakers – Mouser Japan

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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 (JPY) 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 10A, C CHAR, 3POLE 480Y/277VAC,UL489 3C10UL Altech 1: ¥16,706.3 9In Stock	Mfr. Part # 3C10UL Mouser Part # 845-3C10UL	Altech	Circuit Breakers 10A, C CHAR, 3POLE 480Y/277VAC,UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	9In Stock	¥16,706.3 ¥16,430.6 ¥15,669.9 ¥15,304.5 View Quote	Min.: 1 Mult.: 1	UL			10 A	277 VAC	3 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 32A, C CHAR, 3POLE 480Y/277VAC,UL489 3C32UL Altech 1: ¥21,877 6In Stock	Mfr. Part # 3C32UL Mouser Part # 845-3C32UL	Altech	Circuit Breakers 32A, C CHAR, 3POLE 480Y/277VAC,UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	6In Stock	¥21,877 ¥18,485.3 ¥16,706.3 ¥16,015.4 View ¥15,540.3 Quote	Min.: 1 Mult.: 1	UL			32 A	277 VAC	3 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 8A, C CHAR, 3POLE 480Y/277VAC,UL489 3C8UL Altech 1: ¥22,292.3 11In Stock	Mfr. Part # 3C8UL Mouser Part # 845-3C8UL	Altech	Circuit Breakers 8A, C CHAR, 3POLE 480Y/277VAC,UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	11In Stock	¥22,292.3 ¥19,442 ¥17,224.6 ¥15,309.4 View ¥14,924.1 Quote	Min.: 1 Mult.: 1	UL			8 A	277 VAC	3 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 15A, D CHAR, 3POLE 480Y/277VAC,UL489 3D15UL Altech 1: ¥16,706.3 1In Stock 5Expected 2/2/2027	Mfr. Part # 3D15UL Mouser Part # 845-3D15UL	Altech	Circuit Breakers 15A, D CHAR, 3POLE 480Y/277VAC,UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	1In Stock 5Expected 2/2/2027	¥16,706.3 ¥16,703 ¥16,699.7 ¥15,947.3 View ¥15,784.5 Quote	Min.: 1 Mult.: 1	UL	Circuit Breakers	D-Trip	15 A	277 VAC	3 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 3A, D CHAR, 3POLE 480Y/277VAC,UL489 3D3UL Altech 1: ¥21,877 1In Stock	Mfr. Part # 3D3UL Mouser Part # 845-3D3UL	Altech	Circuit Breakers 3A, D CHAR, 3POLE 480Y/277VAC,UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	1In Stock	¥21,877 ¥16,706.3 ¥16,395.7 ¥15,282.9 View ¥14,897.5 Quote	Min.: 1 Mult.: 1	UL			3 A	277 VAC	3 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers N32UL, Neutral Pole, UL489 N32UL Altech 1: ¥9,785 1In Stock	Mfr. Part # N32UL Mouser Part # 845-N32UL	Altech	Circuit Breakers N32UL, Neutral Pole, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	1In Stock	¥9,785 ¥7,132.3 ¥6,645.7 ¥6,160.6 View ¥5,987.9 ¥5,800.2 Quote	Min.: 1 Mult.: 1	UL			32 A	277 VAC		Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 2A, C CHAR, 1POLE 277VAC, UL489 1C2UL Altech 1: ¥7,795.1 66On Order	Mfr. Part # 1C2UL Mouser Part # 845-1C2UL	Altech	Circuit Breakers 2A, C CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	66On Order On Order Ship Dates Mfr. #: 1C2UL Stock: 0 On Order: 25 Expected 2/26/2027 41 Expected 3/1/2027 Factory Lead-Time: 18 Weeks	¥7,795.1 ¥6,682.2 ¥6,281.9 ¥5,389.9 View ¥5,220.5 ¥5,084.3 Quote	Min.: 1 Mult.: 1	UL	Circuit Breakers	C-Trip	2 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 3A, C CHAR, 1POLE 277VAC, UL489 1C3UL Altech 1: ¥5,569.3 276On Order	Mfr. Part # 1C3UL Mouser Part # 845-1C3UL	Altech	Circuit Breakers 3A, C CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	276On Order On Order Ship Dates Mfr. #: 1C3UL Stock: 0 On Order: 79 Expected 12/22/2026 94 Expected 1/11/2027 103 Expected 1/29/2027 Factory Lead-Time: 18 Weeks	¥5,569.3 ¥5,114.2 ¥4,949.8 ¥4,808.6 View Quote	Min.: 1 Mult.: 1	UL	Circuit Breakers	C-Trip	3 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 10A, C CHAR, 2POLE 480Y/277VAC,UL489 2C10UL Altech 1: ¥11,137 14In Stock 137On Order	Mfr. Part # 2C10UL Mouser Part # 845-2C10UL	Altech	Circuit Breakers 10A, C CHAR, 2POLE 480Y/277VAC,UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	14In Stock 137On Order On Order Ship Dates Mfr. #: 2C10UL Stock: 14 Can Ship Immediately On Order: 41 Expected 2/12/2027 96 Expected 2/26/2027 Factory Lead-Time: 18 Weeks	¥11,137 ¥10,578.9 ¥10,203.5 View Quote	Min.: 1 Mult.: 1	UL			10 A	277 VAC	2 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 2C13UL, 13A, CIRCUIT BREAKER 2C13UL Altech 1: ¥13,203.3 28On Order	Mfr. Part # 2C13UL Mouser Part # 845-2C13UL	Altech	Circuit Breakers 2C13UL, 13A, CIRCUIT BREAKER Learn More about Altech ulac dldc circuit breakers	Datasheet	28On Order On Order Ship Dates Mfr. #: 2C13UL Stock: 0 On Order: 5 Expected 2/15/2027 13 Expected 2/26/2027 10 Expected 3/5/2027 Factory Lead-Time: 18 Weeks	¥13,203.3 ¥11,892.8 ¥11,137 ¥10,549 View ¥10,284.9 Quote	Min.: 1 Mult.: 1	UL			13 A	277 VAC	2 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 20A, C CHAR, 3POLE 480Y/277VAC,UL489 3C20UL Altech 1: ¥16,706.3 51On Order	Mfr. Part # 3C20UL Mouser Part # 845-3C20UL	Altech	Circuit Breakers 20A, C CHAR, 3POLE 480Y/277VAC,UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	51On Order On Order Ship Dates Mfr. #: 3C20UL Stock: 0 On Order: 31 Expected 12/14/2026 20 Expected 2/22/2027 Factory Lead-Time: 18 Weeks	¥16,706.3 ¥16,618.3 ¥15,513.7 ¥15,213.1 View Quote	Min.: 1 Mult.: 1	UL	Circuit Breakers	C-Trip	20 A	277 VAC	3 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 30A, C CHAR, 1POLE 277VAC, UL489 1C30UL Altech 1: ¥5,569.3 11On Order	Mfr. Part # 1C30UL Mouser Part # 845-1C30UL	Altech	Circuit Breakers 30A, C CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	11On Order On Order Ship Dates Mfr. #: 1C30UL Stock: 0 On Order: 6 Expected 1/4/2027 5 Expected 1/8/2027 Factory Lead-Time: 7 Weeks	¥5,569.3 ¥5,567.7 ¥5,512.9 View Quote	Min.: 1 Mult.: 1	UL	Circuit Breakers	C-Trip	30 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 50A, C CHAR, 3POLE 240VAC,UL489 3C50UL Altech 1: ¥17,784.3 5Expected 2/15/2027	Mfr. Part # 3C50UL Mouser Part # 845-3C50UL	Altech	Circuit Breakers 50A, C CHAR, 3POLE 240VAC,UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	5Expected 2/15/2027	¥17,784.3 ¥17,712.9 ¥17,199.7 ¥17,000.3 View Quote	Min.: 1 Mult.: 1	UL			50 A	240 VAC	3 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 0.5A, C CHAR, 1POLE 277VAC, UL489 1C05UL Altech 1: ¥6,951.3 6Expected 10/28/2026	Mfr. Part # 1C05UL Mouser Part # 845-1C05UL	Altech	Circuit Breakers 0.5A, C CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	6Expected 10/28/2026	¥6,951.3 ¥6,129.1 ¥5,688.9 ¥5,305.2 View ¥5,164 ¥5,011.2 Quote	Min.: 1 Mult.: 1	UL			500 mA	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 5A, C CHAR, 1POLE 277VAC, UL489 1C5UL Altech 1: ¥5,569.3 32On Order	Mfr. Part # 1C5UL Mouser Part # 845-1C5UL	Altech	Circuit Breakers 5A, C CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	32On Order On Order Ship Dates Mfr. #: 1C5UL Stock: 0 On Order: 15 Expected 1/1/2027 17 Expected 2/26/2027 Factory Lead-Time: 18 Weeks	¥5,569.3 ¥5,434.8 ¥5,290.3 ¥5,145.8 View Quote	Min.: 1 Mult.: 1	UL	Circuit Breakers	C-Trip	5 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 6A, C CHAR, 1POLE 277VAC, UL489 1C6UL Altech 1: ¥5,569.3 9Expected 10/26/2026	Mfr. Part # 1C6UL Mouser Part # 845-1C6UL	Altech	Circuit Breakers 6A, C CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	9Expected 10/26/2026	¥5,569.3 ¥5,551.1 ¥5,212.2 ¥5,067.7 View ¥4,908.3 Quote	Min.: 1 Mult.: 1	UL	Circuit Breakers	C-Trip	6 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 6A, D CHAR, 1POLE 277VAC, UL489 1D6UL Altech 1: ¥5,569.3 16Expected 11/6/2026	Mfr. Part # 1D6UL Mouser Part # 845-1D6UL	Altech	Circuit Breakers 6A, D CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	16Expected 11/6/2026	¥5,569.3 ¥5,458 ¥5,313.5 ¥5,169 View Quote	Min.: 1 Mult.: 1	UL			6 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 8A, D CHAR, 1POLE 277VAC, UL489 1D8UL Altech 1: ¥8,899.6 41On Order	Mfr. Part # 1D8UL Mouser Part # 845-1D8UL	Altech	Circuit Breakers 8A, D CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	41On Order On Order Ship Dates Mfr. #: 1D8UL Stock: 0 On Order: 23 Expected 1/4/2027 18 Expected 3/15/2027 Factory Lead-Time: 18 Weeks	¥8,899.6 ¥6,846.6 ¥6,320.1 ¥5,569.3 View ¥5,554.4 ¥5,394.9 Quote	Min.: 1 Mult.: 1	UL			8 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 15A, C CHAR, 2POLE 480Y/277VAC,UL489 2C15UL Altech 1: ¥14,925.7 19On Order	Mfr. Part # 2C15UL Mouser Part # 845-2C15UL	Altech	Circuit Breakers 15A, C CHAR, 2POLE 480Y/277VAC,UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	19On Order On Order Ship Dates Mfr. #: 2C15UL Stock: 0 On Order: 10 Expected 1/29/2027 9 Expected 3/5/2027 Factory Lead-Time: 15 Weeks	¥14,925.7 ¥12,832.9 ¥12,158.5 ¥10,152 View ¥9,881.3 Quote	Min.: 1 Mult.: 1	UL	Circuit Breakers	C-Trip	15 A	277 VAC	2 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 25A, C CHAR, 2POLE 480Y/277VAC,UL489 2C25UL Altech 1: ¥11,137 5Expected 2/18/2027	Mfr. Part # 2C25UL Mouser Part # 845-2C25UL	Altech	Circuit Breakers 25A, C CHAR, 2POLE 480Y/277VAC,UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	5Expected 2/18/2027	¥11,137 ¥11,072.2 ¥10,764.9 View Quote	Min.: 1 Mult.: 1	UL			25 A	277 VAC	2 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 15A, D CHAR, 2POLE 480Y/277VAC,UL489 2D15UL Altech 1: ¥11,137 8Expected 12/21/2026	Mfr. Part # 2D15UL Mouser Part # 845-2D15UL	Altech	Circuit Breakers 15A, D CHAR, 2POLE 480Y/277VAC,UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	8Expected 12/21/2026	¥11,137 ¥11,135.3 ¥10,544	Min.: 1 Mult.: 1	UL			15 A	277 VAC	2 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 3A, D CHAR, 2POLE 480Y/277VAC,UL489 2D3UL Altech 1: ¥15,121.7 15Expected 1/11/2027	Mfr. Part # 2D3UL Mouser Part # 845-2D3UL	Altech	Circuit Breakers 3A, D CHAR, 2POLE 480Y/277VAC,UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	15Expected 1/11/2027	¥15,121.7 ¥13,028.9 ¥11,137 ¥11,065.6 View ¥10,848 Quote	Min.: 1 Mult.: 1	UL			3 A	277 VAC	2 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 50A, D CHAR, 2POLE 240VAC,UL489 2D50UL Altech 1: ¥14,862.6 6On Order	Mfr. Part # 2D50UL Mouser Part # 845-2D50UL	Altech	Circuit Breakers 50A, D CHAR, 2POLE 240VAC,UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	6On Order	¥14,862.6 ¥13,366.1 ¥11,856.2 ¥11,806.4 View ¥11,507.4 Quote	Min.: 1 Mult.: 1	UL			50 A	240 VAC	2 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 25A, C CHAR, 3POLE 480Y/277VAC,UL489 3C25UL Altech 1: ¥16,706.3 5Expected 12/21/2026	Mfr. Part # 3C25UL Mouser Part # 845-3C25UL	Altech	Circuit Breakers 25A, C CHAR, 3POLE 480Y/277VAC,UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	5Expected 12/21/2026	¥16,706.3 ¥16,010.4 ¥15,638.3 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 30A, C CHAR, 3POLE 480Y/277VAC,UL489 3C30UL Altech 1: ¥16,706.3 4Expected 10/20/2026	Mfr. Part # 3C30UL Mouser Part # 845-3C30UL	Altech	Circuit Breakers 30A, C CHAR, 3POLE 480Y/277VAC,UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	4Expected 10/20/2026	¥16,706.3 ¥16,704.7 ¥14,415.8 Quote Quote	Min.: 1 Mult.: 1	UL	Circuit Breakers	C-Trip	30 A	277 VAC	3 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated

300 mA
500 mA
1 A
1.6 A
2 A
3 A
4 A
5 A
6 A
8 A
10 A
12 A
13 A
15 A
16 A
20 A
25 A
30 A
32 A
40 A