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.

Results: 140
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Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Series
Product
Type
Current Rating
Voltage Rating AC
Number of Poles
Minimum Operating Temperature
Maximum Operating Temperature
Illuminated
Packaging
Altech Circuit Breakers 10A, C CHAR, 3POLE 480Y/277VAC,UL489
Datasheet
9In Stock
Min.: 1
Mult.: 1

UL 10 A 277 VAC 3 Pole - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 32A, C CHAR, 3POLE 480Y/277VAC,UL489
Datasheet
6In Stock
Min.: 1
Mult.: 1

UL 32 A 277 VAC 3 Pole - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 8A, C CHAR, 3POLE 480Y/277VAC,UL489
Datasheet
11In Stock
Min.: 1
Mult.: 1

UL 8 A 277 VAC 3 Pole - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 15A, D CHAR, 3POLE 480Y/277VAC,UL489
Datasheet
5In Stock
Min.: 1
Mult.: 1

UL Circuit Breakers D-Trip 15 A 277 VAC 3 Pole - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 3A, D CHAR, 3POLE 480Y/277VAC,UL489
Datasheet
1In Stock
Min.: 1
Mult.: 1

UL 3 A 277 VAC 3 Pole - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers N32UL, Neutral Pole, UL489
Datasheet
1In Stock
Min.: 1
Mult.: 1
UL 32 A 277 VAC - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 2A, C CHAR, 1POLE 277VAC, UL489
Datasheet
53On Order
Min.: 1
Mult.: 1

UL Circuit Breakers C-Trip 2 A 277 VAC 1 Pole - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 3A, C CHAR, 1POLE 277VAC, UL489
Datasheet
233On Order
Min.: 1
Mult.: 1

UL Circuit Breakers C-Trip 3 A 277 VAC 1 Pole - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 10A, C CHAR, 2POLE 480Y/277VAC,UL489
Datasheet
49On Order
Min.: 1
Mult.: 1

UL 10 A 277 VAC 2 Pole - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 20A, C CHAR, 3POLE 480Y/277VAC,UL489
Datasheet
39Expected 14/12/2026
Min.: 1
Mult.: 1

UL Circuit Breakers C-Trip 20 A 277 VAC 3 Pole - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 1C03UL, 0.3A, CIRCUIT BREAKER
Datasheet
6Expected 10/11/2026
Min.: 1
Mult.: 1
UL 300 mA 277 VAC 1 Pole - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 0.5A, C CHAR, 1POLE 277VAC, UL489
Datasheet
6Expected 11/01/2027
Min.: 1
Mult.: 1

UL 500 mA 277 VAC 1 Pole - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 30A, C CHAR, 1POLE 277VAC, UL489
Datasheet
11On Order
Min.: 1
Mult.: 1

UL Circuit Breakers C-Trip 30 A 277 VAC 1 Pole - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 6A, C CHAR, 1POLE 277VAC, UL489
Datasheet
9Expected 07/12/2026
Min.: 1
Mult.: 1

UL Circuit Breakers C-Trip 6 A 277 VAC 1 Pole - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 15A, D CHAR, 1POLE 277VAC, UL489
Datasheet
27On Order
Min.: 1
Mult.: 1

UL Circuit Breakers D-Trip 15 A 277 VAC 1 Pole - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 25A, D CHAR, 1POLE 277VAC, UL489
Datasheet
5Expected 14/12/2026
Min.: 1
Mult.: 1

UL 25 A 277 VAC 1 Pole - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 2A, D CHAR, 1POLE 277VAC, UL489
Datasheet
7Expected 18/12/2026
Min.: 1
Mult.: 1

UL 2 A 277 VAC 1 Pole - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 6A, D CHAR, 1POLE 277VAC, UL489
Datasheet
7Expected 07/12/2026
Min.: 1
Mult.: 1

UL 6 A 277 VAC 1 Pole - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 8A, D CHAR, 1POLE 277VAC, UL489
Datasheet
23Expected 04/01/2027
Min.: 1
Mult.: 1

UL 8 A 277 VAC 1 Pole - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 20A, C CHAR, 2POLE 480Y/277VAC,UL489
Datasheet
12On Order
Min.: 1
Mult.: 1

UL 20 A 277 VAC 2 Pole - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 25A, C CHAR, 2POLE 480Y/277VAC,UL489
Datasheet
5Expected 10/09/2026
Min.: 1
Mult.: 1

UL 25 A 277 VAC 2 Pole - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 15A, D CHAR, 2POLE 480Y/277VAC,UL489
Datasheet
8Expected 21/12/2026
Min.: 1
Mult.: 1

UL 15 A 277 VAC 2 Pole - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 3A, D CHAR, 2POLE 480Y/277VAC,UL489
Datasheet
15Expected 11/01/2027
Min.: 1
Mult.: 1

UL 3 A 277 VAC 2 Pole - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 50A, D CHAR, 2POLE 240VAC,UL489
Datasheet
6Expected 19/10/2026
Min.: 1
Mult.: 1

UL 50 A 240 VAC 2 Pole - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 25A, C CHAR, 3POLE 480Y/277VAC,UL489
Datasheet
5Expected 21/12/2026
Min.: 1
Mult.: 1

UL Circuit Breakers C-Trip 25 A 277 VAC 3 Pole - 25 C + 55 C Non-Illuminated