Circuit Breakers – Mouser Singapore

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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 (SGD) 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: $136.79 9In Stock	Mfr. Part No. 3C10UL Mouser Part No 845-3C10UL	Altech	Circuit Breakers 10A, C CHAR, 3POLE 480Y/277VAC,UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	9In Stock	$136.79 $134.53 $128.30 $125.31 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: $179.13 6In Stock	Mfr. Part No. 3C32UL Mouser Part No 845-3C32UL	Altech	Circuit Breakers 32A, C CHAR, 3POLE 480Y/277VAC,UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	6In Stock	$179.13 $151.35 $136.79 $131.13 View $127.24 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: $182.53 11In Stock	Mfr. Part No. 3C8UL Mouser Part No 845-3C8UL	Altech	Circuit Breakers 8A, C CHAR, 3POLE 480Y/277VAC,UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	11In Stock	$182.53 $159.19 $141.03 $125.35 View $122.20 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: $136.79 1In Stock 5Expected 2/2/2027	Mfr. Part No. 3D15UL Mouser Part No 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	$136.79 $136.76 $136.73 $130.57 View $129.24 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: $179.13 1In Stock	Mfr. Part No. 3D3UL Mouser Part No 845-3D3UL	Altech	Circuit Breakers 3A, D CHAR, 3POLE 480Y/277VAC,UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	1In Stock	$179.13 $136.79 $134.25 $125.13 View $121.98 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: $80.12 1In Stock	Mfr. Part No. N32UL Mouser Part No 845-N32UL	Altech	Circuit Breakers N32UL, Neutral Pole, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	1In Stock	$80.12 $58.40 $54.41 $50.44 View $49.03 $47.49 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: $63.82 66On Order	Mfr. Part No. 1C2UL Mouser Part No 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. No: 1C2UL Stock: 0 On Order: 25 Expected 26/2/2027 41 Expected 1/3/2027 Factory Lead Time: 18 Weeks	$63.82 $54.71 $51.44 $44.13 View $42.74 $41.63 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: $45.60 276On Order	Mfr. Part No. 1C3UL Mouser Part No 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. No: 1C3UL Stock: 0 On Order: 79 Expected 22/12/2026 94 Expected 11/1/2027 103 Expected 29/1/2027 Factory Lead Time: 18 Weeks	$45.60 $41.87 $40.53 $39.37 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 5A, C CHAR, 1POLE 277VAC, UL489 1C5UL Altech 1: $45.60 56On Order	Mfr. Part No. 1C5UL Mouser Part No 845-1C5UL	Altech	Circuit Breakers 5A, C CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	56On Order On Order Ship Dates Mfr. No: 1C5UL Stock: 0 On Order: 15 Expected 1/1/2027 24 Expected 22/2/2027 17 Expected 26/2/2027 Factory Lead Time: 18 Weeks	$45.60 $44.50 $43.32 $42.13 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 2C13UL, 13A, CIRCUIT BREAKER 2C13UL Altech 1: $108.11 28On Order	Mfr. Part No. 2C13UL Mouser Part No 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. No: 2C13UL Stock: 0 On Order: 5 Expected 15/2/2027 13 Expected 26/2/2027 10 Expected 5/3/2027 Factory Lead Time: 18 Weeks	$108.11 $97.38 $91.19 $86.37 View $84.21 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: $136.79 51On Order	Mfr. Part No. 3C20UL Mouser Part No 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. No: 3C20UL Stock: 0 On Order: 31 Expected 14/12/2026 20 Expected 22/2/2027 Factory Lead Time: 18 Weeks	$136.79 $136.07 $127.02 $124.56 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: $45.60 11On Order	Mfr. Part No. 1C30UL Mouser Part No 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. No: 1C30UL Stock: 0 On Order: 6 Expected 4/1/2027 5 Expected 8/1/2027 Factory Lead Time: 7 Weeks	$45.60 $45.59 $45.14 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: $145.62 5Expected 15/2/2027	Mfr. Part No. 3C50UL Mouser Part No 845-3C50UL	Altech	Circuit Breakers 50A, C CHAR, 3POLE 240VAC,UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	5Expected 15/2/2027	$145.62 $145.03 $140.83 $139.20 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: $56.92 6Expected 28/10/2026	Mfr. Part No. 1C05UL Mouser Part No 845-1C05UL	Altech	Circuit Breakers 0.5A, C CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	6Expected 28/10/2026	$56.92 $50.18 $46.58 $43.44 View $42.28 $41.03 Quote	Min.: 1 Mult.: 1	UL			500 mA	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 6A, C CHAR, 1POLE 277VAC, UL489 1C6UL Altech 1: $45.60 9On Order	Mfr. Part No. 1C6UL Mouser Part No 845-1C6UL	Altech	Circuit Breakers 6A, C CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	9On Order On Order Ship Dates Mfr. No: 1C6UL Stock: 0 On Order: 4 Expected 26/10/2026 5 Expected 3/11/2026 Factory Lead Time: 20 Weeks	$45.60 $45.45 $42.68 $41.49 View $40.19 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: $45.60 16Expected 6/11/2026	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	16Expected 6/11/2026	$45.60 $44.69 $43.51 $42.32 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: $72.87 41On Order	Mfr. Part No. 1D8UL Mouser Part No 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. No: 1D8UL Stock: 0 On Order: 23 Expected 4/1/2027 18 Expected 15/3/2027 Factory Lead Time: 18 Weeks	$72.87 $56.06 $51.75 $45.60 View $45.48 $44.17 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: $122.21 19On Order	Mfr. Part No. 2C15UL Mouser Part No 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. No: 2C15UL Stock: 0 On Order: 10 Expected 29/1/2027 9 Expected 5/3/2027 Factory Lead Time: 15 Weeks	$122.21 $105.07 $99.55 $83.12 View $80.91 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: $91.19 5Expected 18/2/2027	Mfr. Part No. 2C25UL Mouser Part No 845-2C25UL	Altech	Circuit Breakers 25A, C CHAR, 2POLE 480Y/277VAC,UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	5Expected 18/2/2027	$91.19 $90.66 $88.14 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: $91.19 8Expected 21/12/2026	Mfr. Part No. 2D15UL Mouser Part No 845-2D15UL	Altech	Circuit Breakers 15A, D CHAR, 2POLE 480Y/277VAC,UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	8Expected 21/12/2026	$91.19 $91.17 $86.33	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: $123.81 15Expected 11/1/2027	Mfr. Part No. 2D3UL Mouser Part No 845-2D3UL	Altech	Circuit Breakers 3A, D CHAR, 2POLE 480Y/277VAC,UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	15Expected 11/1/2027	$123.81 $106.68 $91.19 $90.60 View $88.82 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: $121.69 6On Order	Mfr. Part No. 2D50UL Mouser Part No 845-2D50UL	Altech	Circuit Breakers 50A, D CHAR, 2POLE 240VAC,UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	6On Order	$121.69 $109.44 $97.08 $96.67 View $94.22 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: $136.79 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	$136.79 $131.09 $128.04 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: $136.79 4On Order	Mfr. Part No. 3C30UL Mouser Part No 845-3C30UL	Altech	Circuit Breakers 30A, C CHAR, 3POLE 480Y/277VAC,UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	4On Order	$136.79 $136.78 $118.03 Quote Quote	Min.: 1 Mult.: 1	UL	Circuit Breakers	C-Trip	30 A	277 VAC	3 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 20A, D CHAR, 3POLE 480Y/277VAC,UL489 3D20UL Altech 1: $136.79 11Expected 8/1/2027	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 8/1/2027	$136.79 $136.78 $123.94 $121.28 View Quote	Min.: 1 Mult.: 1	UL	Circuit Breakers	D-Trip	20 A	277 VAC	3 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated

UL (AC) & DL (DC) Circuit Breakers

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