Circuit Breakers – Mouser Japan

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

3C8UL
Altech
1: ¥21,877
11In Stock

Mfr. Part #
3C8UL

Mouser Part #
845-3C8UL

Altech

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

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Datasheet

11In Stock

¥21,877

¥18,485.3

¥17,224.6

¥15,309.4

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: ¥16,706.3
5In Stock

Mfr. Part #
3D15UL

Mouser Part #
845-3D15UL

Altech

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

Learn More

Datasheet

5In Stock

¥16,706.3

¥16,193.1

¥15,121.7

¥14,777.9

View

Min.: 1
Mult.: 1

Circuit Breakers

D-Trip

15 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

3D3UL
Altech
1: ¥21,877
1In Stock

Mfr. Part #
3D3UL

Mouser Part #
845-3D3UL

Altech

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

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Datasheet

1In Stock

¥21,877

¥16,706.3

¥16,395.7

¥15,282.9

View

Min.: 1
Mult.: 1

3 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers N32UL, Neutral Pole, UL489

N32UL
Altech
1: ¥9,785
1In Stock

Mfr. Part #
N32UL

Mouser Part #
845-N32UL

Altech

Circuit Breakers N32UL, Neutral Pole, UL489

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Datasheet

1In Stock

¥9,785

¥8,115.6

¥7,486.1

¥6,439.7

View

Min.: 1
Mult.: 1

32 A

277 VAC

Handle

- 25 C

+ 55 C

Non-Illuminated

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

1C3UL
Altech
1: ¥5,569.3
245On Order

Mfr. Part #
1C3UL

Mouser Part #
845-1C3UL

Altech

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

Learn More

Datasheet

245On Order

¥5,569.3

¥5,524.5

¥5,198.9

¥5,069.4

View

Min.: 1
Mult.: 1

Circuit Breakers

C-Trip

3 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 10A, C CHAR, 2POLE 480Y/277VAC,UL489

2C10UL
Altech
1: ¥11,137
49On Order

Mfr. Part #
2C10UL

Mouser Part #
845-2C10UL

Altech

Circuit Breakers 10A, C CHAR, 2POLE 480Y/277VAC,UL489

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Datasheet

49On Order

¥11,137

¥11,135.3

¥10,464.3

¥10,203.5

View

Min.: 1
Mult.: 1

10 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

3C20UL
Altech
1: ¥16,706.3
39Expected 12/14/2026

Mfr. Part #
3C20UL

Mouser Part #
845-3C20UL

Altech

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

Learn More

Datasheet

39Expected 12/14/2026

¥16,706.3

¥14,404.2

¥14,123.5

View

Min.: 1
Mult.: 1

Circuit Breakers

C-Trip

20 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 1C03UL, 0.3A, CIRCUIT BREAKER

1C03UL
Altech
1: ¥5,569.3
6Expected 11/10/2026

Mfr. Part #
1C03UL

Mouser Part #
845-1C03UL

Altech

Circuit Breakers 1C03UL, 0.3A, CIRCUIT BREAKER

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Datasheet

6Expected 11/10/2026

¥5,569.3

¥5,536.1

¥5,385

View

Min.: 1
Mult.: 1

300 mA

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

1C05UL
Altech
1: ¥5,569.3
6Expected 1/11/2027

Mfr. Part #
1C05UL

Mouser Part #
845-1C05UL

Altech

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

Learn More

Datasheet

6Expected 1/11/2027

¥5,569.3

¥5,305.2

¥5,164

¥5,011.2

View

Min.: 1
Mult.: 1

500 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: ¥5,569.3
5In Stock

Mfr. Part #
1C1.6UL

Mouser Part #
845-1C1.6UL

Altech

Circuit Breakers 1.6A, C CHAR, 1POLE 277VAC, UL489

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Datasheet

5In Stock

¥5,569.3

¥5,471.3

¥5,112.6

¥4,974.7

View

Min.: 1
Mult.: 1

Circuit Breakers

C-Trip

1.6 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

1C2UL
Altech
1: ¥5,569.3
35Expected 11/9/2026

Mfr. Part #
1C2UL

Mouser Part #
845-1C2UL

Altech

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

Learn More

Datasheet

35Expected 11/9/2026

¥5,569.3

¥5,315.2

¥5,147.4

¥5,012.9

View

Min.: 1
Mult.: 1

Circuit Breakers

C-Trip

2 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

1C30UL
Altech
1: ¥5,569.3
11On Order

Mfr. Part #
1C30UL

Mouser Part #
845-1C30UL

Altech

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

Learn More

Datasheet

11On Order

¥5,569.3

¥5,549.4

¥5,396.6

View

Min.: 1
Mult.: 1

Circuit Breakers

C-Trip

30 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

1C6UL
Altech
1: ¥5,569.3
9Expected 12/7/2026

Mfr. Part #
1C6UL

Mouser Part #
845-1C6UL

Altech

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

Learn More

Datasheet

9Expected 12/7/2026

¥5,569.3

¥5,524.5

¥5,198.9

¥5,067.7

View

Min.: 1
Mult.: 1

Circuit Breakers

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: ¥5,569.3
45On Order

Mfr. Part #
1D15UL

Mouser Part #
845-1D15UL

Altech

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

Learn More

Datasheet

45On Order

¥5,569.3

¥5,404.9

¥5,167.4

¥5,051.1

View

Min.: 1
Mult.: 1

Circuit Breakers

D-Trip

15 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 25A, D CHAR, 1POLE 277VAC, UL489

1D25UL
Altech
1: ¥5,569.3
5Expected 12/14/2026

Mfr. Part #
1D25UL

Mouser Part #
845-1D25UL

Altech

Circuit Breakers 25A, D CHAR, 1POLE 277VAC, UL489

Learn More

Datasheet

5Expected 12/14/2026

¥5,569.3

¥5,419.8

¥5,272

¥5,112.6

View

Min.: 1
Mult.: 1

25 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

1D2UL
Altech
1: ¥5,569.3
7Expected 12/18/2026

Mfr. Part #
1D2UL

Mouser Part #
845-1D2UL

Altech

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

Learn More

Datasheet

7Expected 12/18/2026

¥5,569.3

¥5,474.7

¥5,174

¥5,017.9

View

Min.: 1
Mult.: 1

2 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 63A, D CHAR, 1POLE 240VAC, UL489

1D63UL
Altech
1: ¥5,929.8
5Expected 9/4/2026

Mfr. Part #
1D63UL

Mouser Part #
845-1D63UL

Altech

Circuit Breakers 63A, D CHAR, 1POLE 240VAC, UL489

Learn More

Datasheet

5Expected 9/4/2026

¥5,929.8

¥5,924.8

¥5,772

¥5,617.5

View

Min.: 1
Mult.: 1

63 A

240 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

1D6UL
Altech
1: ¥5,569.3
7Expected 12/7/2026

Mfr. Part #
1D6UL

Mouser Part #
845-1D6UL

Altech

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

Learn More

Datasheet

7Expected 12/7/2026

¥5,569.3

¥5,481.3

¥5,336.8

¥5,192.3

View

Min.: 1
Mult.: 1

6 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

1D8UL
Altech
1: ¥5,569.3
23Expected 1/4/2027

Mfr. Part #
1D8UL

Mouser Part #
845-1D8UL

Altech

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

Learn More

Datasheet

23Expected 1/4/2027

¥5,569.3

¥5,567.7

¥5,529.5

¥5,370

View

Min.: 1
Mult.: 1

8 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 20A, C CHAR, 2POLE 480Y/277VAC,UL489

2C20UL
Altech
1: ¥11,137
12On Order

Mfr. Part #
2C20UL

Mouser Part #
845-2C20UL

Altech

Circuit Breakers 20A, C CHAR, 2POLE 480Y/277VAC,UL489

Learn More

Datasheet

12On Order

¥11,137

¥10,000.9

¥9,522.5

View

Min.: 1
Mult.: 1

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: ¥11,137
5Expected 9/10/2026

Mfr. Part #
2C25UL

Mouser Part #
845-2C25UL

Altech

Circuit Breakers 25A, C CHAR, 2POLE 480Y/277VAC,UL489

Learn More

Datasheet

5Expected 9/10/2026

¥11,137

¥11,072.2

¥10,764.9

View

Min.: 1
Mult.: 1

25 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

2D15UL
Altech
1: ¥11,137
8Expected 12/21/2026

Mfr. Part #
2D15UL

Mouser Part #
845-2D15UL

Altech

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

Learn More

Datasheet

8Expected 12/21/2026

¥11,137

¥10,570.6

Min.: 1
Mult.: 1

15 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

2D3UL
Altech
1: ¥11,137
15Expected 1/11/2027

Mfr. Part #
2D3UL

Mouser Part #
845-2D3UL

Altech

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

Learn More

Datasheet

15Expected 1/11/2027

¥11,137

¥11,065.6

¥10,848

View

Min.: 1
Mult.: 1

3 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 50A, D CHAR, 2POLE 240VAC,UL489

2D50UL
Altech
1: ¥11,856.2
6Expected 10/19/2026

Mfr. Part #
2D50UL

Mouser Part #
845-2D50UL

Altech

Circuit Breakers 50A, D CHAR, 2POLE 240VAC,UL489

Learn More

Datasheet

6Expected 10/19/2026

¥11,856.2

¥11,794.8

¥11,495.8

View

Min.: 1
Mult.: 1

50 A

240 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 25A, C CHAR, 3POLE 480Y/277VAC,UL489

3C25UL
Altech
1: ¥16,706.3
5Expected 12/21/2026

Mfr. Part #
3C25UL

Mouser Part #
845-3C25UL

Altech

Circuit Breakers 25A, C CHAR, 3POLE 480Y/277VAC,UL489

Learn More

Datasheet

5Expected 12/21/2026

¥16,706.3

¥16,704.7

¥16,395.7

View

Min.: 1
Mult.: 1

Circuit Breakers

C-Trip

25 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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