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
Select Image Part #
 Mfr.
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
Actuator Type
Minimum Operating Temperature
Maximum Operating Temperature
Illuminated
Packaging
Altech Circuit Breakers 12A, C CHAR, 2POLE 480Y/277VAC,UL489
Datasheet
32In Stock
Min.: 1
Mult.: 1

UL Circuit Breakers C-Trip 12 A 277 VAC 2 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 4A, C CHAR, 2POLE 480Y/277VAC,UL489
Datasheet
36In Stock
Min.: 1
Mult.: 1

UL 4 A 277 VAC 2 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 10A, C CHAR, 1POLE 277VAC, UL489
Datasheet
17In Stock
37Expected 8/28/2026
Min.: 1
Mult.: 1

UL 10 A 277 VAC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 15A, C CHAR, 1POLE 277VAC, UL489
Datasheet
37In Stock
40Expected 1/1/2027
Min.: 1
Mult.: 1

UL Circuit Breakers C-Trip 15 A 277 VAC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 16A, C CHAR, 1POLE 277VAC, UL489
Datasheet
3In Stock
Min.: 1
Mult.: 1

UL 16 A 277 VAC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 20A, C CHAR, 1POLE 277VAC, UL489
Datasheet
4In Stock
8Expected 12/18/2026
Min.: 1
Mult.: 1

UL 20 A 277 VAC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 25A, C CHAR, 1POLE 277VAC, UL489
Datasheet
7In Stock
Min.: 1
Mult.: 1

UL 25 A 277 VAC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 32A, C CHAR, 1POLE 277VAC, UL489
Datasheet
4In Stock
Min.: 1
Mult.: 1

UL 32 A 277 VAC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 3A, C CHAR, 1POLE 277VAC, UL489
Datasheet
24In Stock
163Expected 12/22/2026
Min.: 1
Mult.: 1

UL Circuit Breakers C-Trip 3 A 277 VAC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 4A, C CHAR, 1POLE 277VAC, UL489
Datasheet
18In Stock
Min.: 1
Mult.: 1

UL Circuit Breakers C-Trip 4 A 277 VAC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 5A, C CHAR, 1POLE 277VAC, UL489
Datasheet
8In Stock
26On Order
Min.: 1
Mult.: 1

UL Circuit Breakers C-Trip 5 A 277 VAC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 10A, D CHAR, 1POLE 277VAC, UL489
Datasheet
18In Stock
Min.: 1
Mult.: 1

UL Circuit Breakers D-Trip 10 A 277 VAC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 20A, D CHAR, 1POLE 277VAC, UL489
Datasheet
5In Stock
Min.: 1
Mult.: 1

UL 20 A 277 VAC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 5A, D CHAR, 1POLE 277VAC, UL489
Datasheet
2In Stock
Min.: 1
Mult.: 1

UL 5 A 277 VAC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 2C13UL, 13A, CIRCUIT BREAKER
Datasheet
7In Stock
7Expected 12/1/2026
Min.: 1
Mult.: 1
UL 13 A 277 VAC 2 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 15A, C CHAR, 2POLE 480Y/277VAC,UL489
Datasheet
21In Stock
Min.: 1
Mult.: 1

UL Circuit Breakers C-Trip 15 A 277 VAC 2 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 20A, C CHAR, 2POLE 480Y/277VAC,UL489
Datasheet
7In Stock
Min.: 1
Mult.: 1

UL 20 A 277 VAC 2 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 32A, C CHAR, 2POLE 480Y/277VAC,UL489
Datasheet
2In Stock
Min.: 1
Mult.: 1

UL 32 A 277 VAC 2 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 3A, C CHAR, 2POLE 480Y/277VAC,UL489
Datasheet
3In Stock
Min.: 1
Mult.: 1

UL 3 A 277 VAC 2 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 5A, C CHAR, 2POLE 480Y/277VAC,UL489
Datasheet
4In Stock
Min.: 1
Mult.: 1

UL 5 A 277 VAC 2 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 0.3A, D CHAR, 2POLE 480Y/277VAC,UL489
Datasheet
6In Stock
Min.: 1
Mult.: 1

UL 300 mA 277 VAC 2 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 0.5A, D CHAR, 2POLE 480Y/277VAC,UL489
Datasheet
5In Stock
Min.: 1
Mult.: 1

UL 500 mA 277 VAC 2 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 20A, D CHAR, 2POLE 480Y/277VAC,UL489
Datasheet
14In Stock
Min.: 1
Mult.: 1

UL Circuit Breakers D-Trip 20 A 277 VAC 2 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 4A, D CHAR, 2POLE 480Y/277VAC,UL489
Datasheet
6In Stock
Min.: 1
Mult.: 1

UL 4 A 277 VAC 2 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 8A, D CHAR, 2POLE 480Y/277VAC,UL489
Datasheet
19In Stock
Min.: 1
Mult.: 1

UL 8 A 277 VAC 2 Pole Handle - 25 C + 55 C Non-Illuminated