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
Actuator Type
Minimum Operating Temperature
Maximum Operating Temperature
Illuminated
Packaging
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 5A, D CHAR, 2POLE 480Y/277VAC,UL489
Datasheet
6In Stock
Min.: 1
Mult.: 1

UL Circuit Breaker D-Trip 5 A 277 VAC 2 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 30A, C CHAR, 3POLE 480Y/277VAC,UL489
Datasheet
2In Stock
Min.: 1
Mult.: 1

UL Circuit Breaker C-Trip 30 A 277 VAC 3 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 30A, D CHAR, 3POLE 480Y/277VAC,UL489
Datasheet
2In Stock
Min.: 1
Mult.: 1

UL Circuit Breaker D-Trip 30 A 277 VAC 3 Pole Handle - 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 Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 10A, C CHAR, 2POLE 480Y/277VAC,UL489
Datasheet
44Expected 5/25/2026
Min.: 1
Mult.: 1

UL 10 A 277 VAC 2 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 20A, C CHAR, 3POLE 480Y/277VAC,UL489
Datasheet
31On Order
Min.: 1
Mult.: 1

UL Circuit Breaker C-Trip 20 A 277 VAC 3 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 1A, C CHAR, 2POLE 480Y/277VAC,UL489
Datasheet
5Expected 2/19/2026
Min.: 1
Mult.: 1

UL 1 A 277 VAC 2 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 1C03UL, 0.3A, CIRCUIT BREAKER
Datasheet
1Expected 3/11/2026
Min.: 1
Mult.: 1
UL 300 mA 277 VAC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 20A, C CHAR, 2POLE 480Y/277VAC,UL489
Datasheet
5Expected 4/3/2026
Min.: 1
Mult.: 1

UL 20 A 277 VAC 2 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 4A, C CHAR, 2POLE 480Y/277VAC,UL489
Datasheet
10On Order
Min.: 1
Mult.: 1

UL 4 A 277 VAC 2 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 8A, C CHAR, 2POLE 480Y/277VAC,UL489
Datasheet
19Expected 5/11/2026
Min.: 1
Mult.: 1

UL Circuit Breaker C-Trip 8 A 277 VAC 2 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 20A, D CHAR, 2POLE 480Y/277VAC,UL489
Datasheet
19On Order
Min.: 1
Mult.: 1

UL Circuit Breaker D-Trip 20 A 277 VAC 2 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 3A, D CHAR, 2POLE 480Y/277VAC,UL489
Datasheet
18Expected 5/4/2026
Min.: 1
Mult.: 1

UL 3 A 277 VAC 2 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 50A, D CHAR, 2POLE 240VAC,UL489
Datasheet
13Expected 3/23/2026
Min.: 1
Mult.: 1

UL 50 A 240 VAC 2 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 6A, D CHAR, 2POLE 480Y/277VAC,UL489
Datasheet
10Expected 4/3/2026
Min.: 1
Mult.: 1

UL 6 A 277 VAC 2 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 25A, C CHAR, 3POLE 480Y/277VAC,UL489
Datasheet
6Expected 6/29/2026
Min.: 1
Mult.: 1

UL Circuit Breaker C-Trip 25 A 277 VAC 3 Pole Handle - 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 Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 10A, D CHAR, 3POLE 480Y/277VAC,UL489
Datasheet
5Expected 6/23/2026
Min.: 1
Mult.: 1

UL Circuit Breaker D-Trip 10 A 277 VAC 3 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 30A, C CHAR, 1POLE 277VAC, UL489
Datasheet
41Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

UL Circuit Breaker C-Trip 30 A 277 VAC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 8A, D CHAR, 1POLE 277VAC, UL489
Datasheet
64Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

UL 8 A 277 VAC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 2C13UL, 13A, CIRCUIT BREAKER
Datasheet
18Factory Stock Available
More Info Available
Min.: 1
Mult.: 1
UL 13 A 277 VAC 2 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 15A, C CHAR, 3POLE 480Y/277VAC,UL489
Datasheet
5Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

UL 15 A 277 VAC 3 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 6A, D CHAR, 3POLE 480Y/277VAC,UL489
Datasheet
27Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

UL 6 A 277 VAC 3 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 1.6A, C CHAR, 1POLE 277VAC, UL489
Datasheet
7Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

UL Circuit Breaker C-Trip 1.6 A 277 VAC 1 Pole Handle - 25 C + 55 C Non-Illuminated