Circuit Breakers – Mouser Liechtenstein

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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 (CHF) 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, 1POLE 277VAC, UL489 1C10UL Altech 1: CHF 26.99 97In Stock	Mfr. Part No. 1C10UL Mouser Part No 845-1C10UL	Altech	Circuit Breakers 10A, C CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	97In Stock	CHF 26.99 CHF 26.54 CHF 24.56 CHF 23.69 View Quote	Min.: 1 Mult.: 1	UL			10 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 15A, C CHAR, 1POLE 277VAC, UL489 1C15UL Altech 1: CHF 26.99 71In Stock	Mfr. Part No. 1C15UL Mouser Part No 845-1C15UL	Altech	Circuit Breakers 15A, C CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	71In Stock	CHF 26.99 CHF 24.98 CHF 24.26 View Quote	Min.: 1 Mult.: 1	UL	Circuit Breakers	C-Trip	15 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 4A, C CHAR, 2POLE 480Y/277VAC,UL489 2C4UL Altech 1: CHF 74.35 26In Stock	Mfr. Part No. 2C4UL Mouser Part No 845-2C4UL	Altech	Circuit Breakers 4A, C CHAR, 2POLE 480Y/277VAC,UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	26In Stock	CHF 74.35 CHF 67.06 CHF 58.92 CHF 51.86 View CHF 50.41 Quote	Min.: 1 Mult.: 1	UL			4 A	277 VAC	2 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 1C03UL, 0.3A, CIRCUIT BREAKER 1C03UL Altech 1: CHF 37.78 6In Stock	Mfr. Part No. 1C03UL Mouser Part No 845-1C03UL	Altech	Circuit Breakers 1C03UL, 0.3A, CIRCUIT BREAKER Learn More about Altech ulac dldc circuit breakers	Datasheet	6In Stock	CHF 37.78 CHF 32.39 CHF 26.99 CHF 26.88 View CHF 26.04 Quote	Min.: 1 Mult.: 1	UL			300 mA	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 1.6A, C CHAR, 1POLE 277VAC, UL489 1C1.6UL Altech 1: CHF 37.78 5In Stock	Mfr. Part No. 1C1.6UL Mouser Part No 845-1C1.6UL	Altech	Circuit Breakers 1.6A, C CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	5In Stock	CHF 37.78 CHF 32.39 CHF 26.52 CHF 24.78 View CHF 24.11 CHF 23.26 Quote	Min.: 1 Mult.: 1	UL	Circuit Breakers	C-Trip	1.6 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 16A, C CHAR, 1POLE 277VAC, UL489 1C16UL Altech 1: CHF 39.79 3In Stock	Mfr. Part No. 1C16UL Mouser Part No 845-1C16UL	Altech	Circuit Breakers 16A, C CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	3In Stock	CHF 39.79 CHF 30.28 CHF 28.11 CHF 26.11 View CHF 25.41 CHF 24.67 Quote	Min.: 1 Mult.: 1	UL			16 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 20A, C CHAR, 1POLE 277VAC, UL489 1C20UL Altech 1: CHF 33.72 4In Stock 8Expected 12/18/2026	Mfr. Part No. 1C20UL Mouser Part No 845-1C20UL	Altech	Circuit Breakers 20A, C CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	4In Stock 8Expected 12/18/2026	CHF 33.72 CHF 26.99 CHF 26.78 CHF 25.18 View CHF 24.38 CHF 23.90 Quote	Min.: 1 Mult.: 1	UL			20 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 25A, C CHAR, 1POLE 277VAC, UL489 1C25UL Altech 1: CHF 36.32 7In Stock	Mfr. Part No. 1C25UL Mouser Part No 845-1C25UL	Altech	Circuit Breakers 25A, C CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	7In Stock	CHF 36.32 CHF 31.97 CHF 26.99 CHF 25.62 View CHF 24.88 CHF 24.21 Quote	Min.: 1 Mult.: 1	UL			25 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 2A, C CHAR, 1POLE 277VAC, UL489 1C2UL Altech 1: CHF 37.78 30In Stock 18Expected 1/25/2027	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	30In Stock 18Expected 1/25/2027	CHF 37.78 CHF 32.39 CHF 30.45 CHF 26.12 View CHF 25.30 CHF 24.64 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 32A, C CHAR, 1POLE 277VAC, UL489 1C32UL Altech 1: CHF 37.78 4In Stock	Mfr. Part No. 1C32UL Mouser Part No 845-1C32UL	Altech	Circuit Breakers 32A, C CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	4In Stock	CHF 37.78 CHF 26.99 CHF 25.71 CHF 24.91 View CHF 24.17 Quote	Min.: 1 Mult.: 1	UL			32 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 4A, C CHAR, 1POLE 277VAC, UL489 1C4UL Altech 1: CHF 26.99 13In Stock	Mfr. Part No. 1C4UL Mouser Part No 845-1C4UL	Altech	Circuit Breakers 4A, C CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	13In Stock	CHF 26.99 CHF 26.56 CHF 25.79 CHF 25.01 View Quote	Min.: 1 Mult.: 1	UL	Circuit Breakers	C-Trip	4 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 5A, C CHAR, 1POLE 277VAC, UL489 1C5UL Altech 1: CHF 26.99 13In Stock 15Expected 1/1/2027	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	13In Stock 15Expected 1/1/2027	CHF 26.99 CHF 26.34 CHF 25.64 CHF 24.94 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 10A, D CHAR, 1POLE 277VAC, UL489 1D10UL Altech 1: CHF 26.99 10In Stock 21Expected 1/11/2027	Mfr. Part No. 1D10UL Mouser Part No 845-1D10UL	Altech	Circuit Breakers 10A, D CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	10In Stock 21Expected 1/11/2027	CHF 26.99 CHF 24.21 CHF 23.65 CHF 23.15 View Quote	Min.: 1 Mult.: 1	UL	Circuit Breakers	D-Trip	10 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 20A, D CHAR, 1POLE 277VAC, UL489 1D20UL Altech 1: CHF 36.81 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	CHF 36.81 CHF 31.62 CHF 28.04 CHF 25.88 View CHF 24.47 CHF 23.98	Min.: 1 Mult.: 1	UL			20 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 25A, D CHAR, 1POLE 277VAC, UL489 1D25UL Altech 1: CHF 39.79 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	CHF 39.79 CHF 33.00 CHF 28.40 CHF 26.26 View CHF 25.55 CHF 24.78 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: CHF 32.84 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	CHF 32.84 CHF 29.44 CHF 26.54 CHF 25.19 View CHF 24.56 CHF 23.78 Quote	Min.: 1 Mult.: 1	UL			2 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 63A, D CHAR, 1POLE 240VAC, UL489 1D63UL Altech 1: CHF 28.74 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	CHF 28.74 CHF 28.59 CHF 27.86 CHF 27.11 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: CHF 26.99 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	CHF 26.99 CHF 26.45 CHF 25.75 CHF 25.05 View Quote	Min.: 1 Mult.: 1	UL			6 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 10A, C CHAR, 2POLE 480Y/277VAC,UL489 2C10UL Altech 1: CHF 53.97 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 1/4/2027 41 Expected 2/12/2027 Factory Lead Time: 18 Weeks	CHF 53.97 CHF 51.26 CHF 49.45 View Quote	Min.: 1 Mult.: 1	UL			10 A	277 VAC	2 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 12A, C CHAR, 2POLE 480Y/277VAC,UL489 2C12UL Altech 1: CHF 68.90 4In Stock 8Expected 2/2/2027	Mfr. Part No. 2C12UL Mouser Part No 845-2C12UL	Altech	Circuit Breakers 12A, C CHAR, 2POLE 480Y/277VAC,UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	4In Stock 8Expected 2/2/2027	CHF 68.90 CHF 60.34 CHF 57.02 CHF 50.59 View CHF 49.89 Quote	Min.: 1 Mult.: 1	UL	Circuit Breakers	C-Trip	12 A	277 VAC	2 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 15A, C CHAR, 2POLE 480Y/277VAC,UL489 2C15UL Altech 1: CHF 72.33 15In Stock 10Expected 1/29/2027	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	15In Stock 10Expected 1/29/2027	CHF 72.33 CHF 62.19 CHF 58.92 CHF 49.20 View CHF 47.99 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 20A, C CHAR, 2POLE 480Y/277VAC,UL489 2C20UL Altech 1: CHF 64.77 7In Stock 10On Order	Mfr. Part No. 2C20UL Mouser Part No 845-2C20UL	Altech	Circuit Breakers 20A, C CHAR, 2POLE 480Y/277VAC,UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	7In Stock 10On Order On Order Ship Dates Mfr. No: 2C20UL Stock: 7 Can Dispatch Immediately On Order: 5 Expected 10/7/2026 5 Expected 2/2/2027 Factory Lead Time: 18 Weeks	CHF 64.77 CHF 58.13 CHF 53.97 CHF 47.80 View CHF 46.70 Quote	Min.: 1 Mult.: 1	UL			20 A	277 VAC	2 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 25A, C CHAR, 2POLE 480Y/277VAC,UL489 2C25UL Altech 1: CHF 53.97 5In Stock	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	5In Stock	CHF 53.97 CHF 53.66 CHF 52.17 View Quote	Min.: 1 Mult.: 1	UL			25 A	277 VAC	2 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 32A, C CHAR, 2POLE 480Y/277VAC,UL489 2C32UL Altech 1: CHF 77.53 2In Stock	Mfr. Part No. 2C32UL Mouser Part No 845-2C32UL	Altech	Circuit Breakers 32A, C CHAR, 2POLE 480Y/277VAC,UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	2In Stock	CHF 77.53 CHF 62.37 CHF 53.97 CHF 51.99 View CHF 50.76 Quote	Min.: 1 Mult.: 1	UL			32 A	277 VAC	2 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 3A, C CHAR, 2POLE 480Y/277VAC,UL489 2C3UL Altech 1: CHF 71.35 2In Stock 5Expected 1/18/2027	Mfr. Part No. 2C3UL Mouser Part No 845-2C3UL	Altech	Circuit Breakers 3A, C CHAR, 2POLE 480Y/277VAC,UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	2In Stock 5Expected 1/18/2027	CHF 71.35 CHF 53.97 CHF 53.96 CHF 52.55 View Quote	Min.: 1 Mult.: 1	UL			3 A	277 VAC	2 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated

UL (AC) & DL (DC) Circuit Breakers

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