Circuit Breakers – Mouser Norway

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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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Part #

Circuit Breakers 3A, C CHAR, 2POLE 480Y/277VAC,UL489

2C3UL
Altech
1: kr 522,23
15In Stock

Mfr. Part No.
2C3UL

Mouser Part No
845-2C3UL

Altech

Circuit Breakers 3A, C CHAR, 2POLE 480Y/277VAC,UL489

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Datasheet

15In Stock

kr 522,23

Min.: 1
Mult.: 1

3 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 8A, C CHAR, 1POLE 277VAC, UL489

1C8UL
Altech
1: kr 443,24
1In Stock
6On Order

Mfr. Part No.
1C8UL

Mouser Part No
845-1C8UL

Altech

Circuit Breakers 8A, C CHAR, 1POLE 277VAC, UL489

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Datasheet

1In Stock

6On Order

kr 443,24

kr 334,54

kr 317,49

kr 294,99

View

Min.: 1
Mult.: 1

Circuit Breaker

C-Trip

8 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 3A, C CHAR, 1POLE 277VAC, UL489

1C3UL
Altech
1: kr 334,54
208In Stock

Mfr. Part No.
1C3UL

Mouser Part No
845-1C3UL

Altech

Circuit Breakers 3A, C CHAR, 1POLE 277VAC, UL489

Learn More

Datasheet

208In Stock

kr 334,54

kr 324,57

kr 304,38

kr 278,40

View

Min.: 1
Mult.: 1

Circuit Breaker

C-Trip

3 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 12A, C CHAR, 2POLE 480Y/277VAC,UL489

2C12UL
Altech
1: kr 821,74
66In Stock

Mfr. Part No.
2C12UL

Mouser Part No
845-2C12UL

Altech

Circuit Breakers 12A, C CHAR, 2POLE 480Y/277VAC,UL489

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Datasheet

66In Stock

kr 821,74

kr 728,25

kr 694,38

kr 682,31

View

Min.: 1
Mult.: 1

Circuit Breaker

C-Trip

12 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 0.5A, C CHAR, 1POLE 277VAC, UL489

1C05UL
Altech
1: kr 493,12
5In Stock

Mfr. Part No.
1C05UL

Mouser Part No
845-1C05UL

Altech

Circuit Breakers 0.5A, C CHAR, 1POLE 277VAC, UL489

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Datasheet

5In Stock

kr 493,12

kr 409,02

kr 377,35

kr 324,57

View

Min.: 1
Mult.: 1

500 mA

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 10A, C CHAR, 1POLE 277VAC, UL489

1C10UL
Altech
1: kr 334,54
49In Stock
25Expected 5/22/2026

Mfr. Part No.
1C10UL

Mouser Part No
845-1C10UL

Altech

Circuit Breakers 10A, C CHAR, 1POLE 277VAC, UL489

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Datasheet

49In Stock

25Expected 5/22/2026

kr 334,54

kr 334,43

kr 328,98

kr 299,98

View

Min.: 1
Mult.: 1

10 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 4A, C CHAR, 1POLE 277VAC, UL489

1C4UL
Altech
1: kr 493,00
26In Stock

Mfr. Part No.
1C4UL

Mouser Part No
845-1C4UL

Altech

Circuit Breakers 4A, C CHAR, 1POLE 277VAC, UL489

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Datasheet

26In Stock

kr 493,00

kr 409,02

kr 377,35

kr 333,73

View

Min.: 1
Mult.: 1

Circuit Breaker

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: kr 493,12
20In Stock

Mfr. Part No.
1C5UL

Mouser Part No
845-1C5UL

Altech

Circuit Breakers 5A, C CHAR, 1POLE 277VAC, UL489

Learn More

Datasheet

20In Stock

kr 493,12

kr 409,02

kr 377,35

kr 324,57

View

Min.: 1
Mult.: 1

Circuit Breaker

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: kr 334,54
9In Stock

Mfr. Part No.
1D10UL

Mouser Part No
845-1D10UL

Altech

Circuit Breakers 10A, D CHAR, 1POLE 277VAC, UL489

Learn More

Datasheet

9In Stock

kr 334,54

kr 324,57

kr 314,71

kr 308,44

View

Min.: 1
Mult.: 1

Circuit Breaker

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: kr 334,54
10In Stock

Mfr. Part No.
1D20UL

Mouser Part No
845-1D20UL

Altech

Circuit Breakers 20A, D CHAR, 1POLE 277VAC, UL489

Learn More

Datasheet

10In Stock

kr 334,54

kr 332,57

kr 324,57

Quote

Min.: 1
Mult.: 1

20 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 15A, C CHAR, 2POLE 480Y/277VAC,UL489

2C15UL
Altech
1: kr 668,86
8In Stock

Mfr. Part No.
2C15UL

Mouser Part No
845-2C15UL

Altech

Circuit Breakers 15A, C CHAR, 2POLE 480Y/277VAC,UL489

Learn More

Datasheet

8In Stock

kr 668,86

kr 668,74

kr 596,70

View

Min.: 1
Mult.: 1

Circuit Breaker

C-Trip

15 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 32A, C CHAR, 2POLE 480Y/277VAC,UL489

2C32UL
Altech
1: kr 848,54
10In Stock

Mfr. Part No.
2C32UL

Mouser Part No
845-2C32UL

Altech

Circuit Breakers 32A, C CHAR, 2POLE 480Y/277VAC,UL489

Learn More

Datasheet

10In Stock

kr 848,54

kr 773,84

kr 720,24

kr 636,26

View

Min.: 1
Mult.: 1

32 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 0.3A, D CHAR, 2POLE 480Y/277VAC,UL489

2D03UL
Altech
1: kr 921,39
6In Stock

Mfr. Part No.
2D03UL

Mouser Part No
845-2D03UL

Altech

Circuit Breakers 0.3A, D CHAR, 2POLE 480Y/277VAC,UL489

Learn More

Datasheet

6In Stock

kr 921,39

kr 770,70

kr 730,22

kr 608,54

View

Min.: 1
Mult.: 1

300 mA

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 32A, C CHAR, 3POLE 480Y/277VAC,UL489

3C32UL
Altech
1: kr 1 296,88
6In Stock

Mfr. Part No.
3C32UL

Mouser Part No
845-3C32UL

Altech

Circuit Breakers 32A, C CHAR, 3POLE 480Y/277VAC,UL489

Learn More

Datasheet

6In Stock

kr 1 296,88

kr 1 023,58

kr 957,46

kr 939,14

View

Min.: 1
Mult.: 1

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: kr 1 003,40
11In Stock

Mfr. Part No.
3C8UL

Mouser Part No
845-3C8UL

Altech

Circuit Breakers 8A, C CHAR, 3POLE 480Y/277VAC,UL489

Learn More

Datasheet

11In Stock

kr 1 003,40

kr 1 003,28

kr 953,98

kr 879,86

View

Min.: 1
Mult.: 1

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: kr 1 003,40
12In Stock

Mfr. Part No.
3D15UL

Mouser Part No
845-3D15UL

Altech

Circuit Breakers 15A, D CHAR, 3POLE 480Y/277VAC,UL489

Learn More

Datasheet

12In Stock

kr 1 003,40

kr 1 003,28

kr 953,75

kr 944,12

View

Min.: 1
Mult.: 1

Circuit Breaker

D-Trip

15 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 20A, D CHAR, 3POLE 480Y/277VAC,UL489

3D20UL
Altech
1: kr 1 003,40
6In Stock

Mfr. Part No.
3D20UL

Mouser Part No
845-3D20UL

Altech

Circuit Breakers 20A, D CHAR, 3POLE 480Y/277VAC,UL489

Learn More

Datasheet

6In Stock

kr 1 003,40

kr 1 003,17

kr 926,26

kr 911,18

View

Min.: 1
Mult.: 1

Circuit Breaker

D-Trip

20 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 16A, C CHAR, 1POLE 277VAC, UL489

1C16UL
Altech
1: kr 493,12
5In Stock

Mfr. Part No.
1C16UL

Mouser Part No
845-1C16UL

Altech

Circuit Breakers 16A, C CHAR, 1POLE 277VAC, UL489

Learn More

Datasheet

5In Stock

kr 493,12

kr 409,02

kr 377,35

kr 324,57

View

Min.: 1
Mult.: 1

16 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 20A, C CHAR, 1POLE 277VAC, UL489

1C20UL
Altech
1: kr 334,54
4In Stock
8Expected 5/22/2026

Mfr. Part No.
1C20UL

Mouser Part No
845-1C20UL

Altech

Circuit Breakers 20A, C CHAR, 1POLE 277VAC, UL489

Learn More

Datasheet

4In Stock

8Expected 5/22/2026

kr 334,54

kr 321,78

kr 315,52

kr 309,37

View

Min.: 1
Mult.: 1

20 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 2A, C CHAR, 1POLE 277VAC, UL489

1C2UL
Altech
1: kr 433,72
9In Stock

Mfr. Part No.
1C2UL

Mouser Part No
845-1C2UL

Altech

Circuit Breakers 2A, C CHAR, 1POLE 277VAC, UL489

Learn More

Datasheet

9In Stock

kr 433,72

kr 401,36

kr 334,54

kr 294,99

View

Min.: 1
Mult.: 1

Circuit Breaker

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: kr 493,12
5In Stock

Mfr. Part No.
1C32UL

Mouser Part No
845-1C32UL

Altech

Circuit Breakers 32A, C CHAR, 1POLE 277VAC, UL489

Learn More

Datasheet

5In Stock

kr 493,12

kr 409,02

kr 377,35

kr 324,57

View

Min.: 1
Mult.: 1

32 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 6A, C CHAR, 1POLE 277VAC, UL489

1C6UL
Altech
1: kr 433,72
5In Stock

Mfr. Part No.
1C6UL

Mouser Part No
845-1C6UL

Altech

Circuit Breakers 6A, C CHAR, 1POLE 277VAC, UL489

Learn More

Datasheet

5In Stock

kr 433,72

kr 401,36

kr 317,49

kr 294,99

View

Min.: 1
Mult.: 1

Circuit Breaker

C-Trip

6 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 15A, D CHAR, 1POLE 277VAC, UL489

1D15UL
Altech
1: kr 334,54
12In Stock

Mfr. Part No.
1D15UL

Mouser Part No
845-1D15UL

Altech

Circuit Breakers 15A, D CHAR, 1POLE 277VAC, UL489

Learn More

Datasheet

12In Stock

kr 334,54

kr 328,98

kr 317,72

kr 294,41

View

Min.: 1
Mult.: 1

Circuit Breaker

D-Trip

15 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 30A, D CHAR, 1POLE 277VAC, UL489

1D30UL
Altech
1: kr 493,12
1In Stock

Mfr. Part No.
1D30UL

Mouser Part No
845-1D30UL

Altech

Circuit Breakers 30A, D CHAR, 1POLE 277VAC, UL489

Learn More

Datasheet

1In Stock

kr 493,12

kr 409,02

kr 377,35

kr 324,57

View

Min.: 1
Mult.: 1

30 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 5A, D CHAR, 1POLE 277VAC, UL489

1D5UL
Altech
1: kr 334,54
5In Stock

Mfr. Part No.
1D5UL

Mouser Part No
845-1D5UL

Altech

Circuit Breakers 5A, D CHAR, 1POLE 277VAC, UL489

Learn More

Datasheet

5In Stock

kr 334,54

kr 320,97

kr 314,71

kr 308,44

View

Min.: 1
Mult.: 1

5 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

UL (AC) & DL (DC) Circuit Breakers

Customer Service Office

Company

Resources

Support

300 mA
500 mA
1 A
1.6 A
2 A
3 A
4 A
5 A
6 A
8 A
10 A
12 A
13 A
15 A
16 A
20 A
25 A
30 A
32 A
40 A