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 30A, C CHAR, 3POLE 480Y/277VAC,UL489

3C30UL
Altech
1: ¥16,706.3
4Expected 9/14/2026

Mfr. Part #
3C30UL

Mouser Part #
845-3C30UL

Altech

Circuit Breakers 30A, C CHAR, 3POLE 480Y/277VAC,UL489

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Datasheet

4Expected 9/14/2026

¥16,706.3

¥16,390.7

Min.: 1
Mult.: 1

Circuit Breakers

C-Trip

30 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

3D20UL
Altech
1: ¥20,327.3
11Expected 1/8/2027

Mfr. Part #
3D20UL

Mouser Part #
845-3D20UL

Altech

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

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Datasheet

11Expected 1/8/2027

¥20,327.3

¥18,485.3

¥16,706.3

¥15,199.8

View

Min.: 1
Mult.: 1

Circuit Breakers

D-Trip

20 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 60A, D CHAR, 3POLE 240VAC,UL489

3D60UL
Altech
1: ¥17,784.3
5Expected 11/16/2026

Mfr. Part #
3D60UL

Mouser Part #
845-3D60UL

Altech

Circuit Breakers 60A, D CHAR, 3POLE 240VAC,UL489

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Datasheet

5Expected 11/16/2026

¥17,784.3

¥17,782.7

Min.: 1
Mult.: 1

60 A

240 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 12A, C CHAR, 1POLE 277VAC, UL489

1C12UL
Altech
1: ¥8,210.3
11Factory Stock Available

Mfr. Part #
1C12UL

Mouser Part #
845-1C12UL

Altech

Circuit Breakers 12A, C CHAR, 1POLE 277VAC, UL489

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Datasheet

11Factory Stock Available

More Info Available

¥8,210.3

¥6,810.1

¥6,281.9

¥5,404.9

View

Min.: 1
Mult.: 1

12 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

1C1UL
Altech
1: ¥5,569.3
47Factory Stock Available

Mfr. Part #
1C1UL

Mouser Part #
845-1C1UL

Altech

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

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Datasheet

47Factory Stock Available

More Info Available

¥5,569.3

¥5,268.7

¥5,127.5

¥4,974.7

Quote

Min.: 1
Mult.: 1

1 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 40A, C CHAR, 1POLE 277VAC, UL489

1C40UL
Altech
1: ¥8,740.2
23Factory Stock Available

Mfr. Part #
1C40UL

Mouser Part #
845-1C40UL

Altech

Circuit Breakers 40A, C CHAR, 1POLE 277VAC, UL489

Learn More

Datasheet

23Factory Stock Available

More Info Available

¥8,740.2

¥7,250.3

¥6,688.8

¥5,753.7

View

Min.: 1
Mult.: 1

40 A

240 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 50A, C CHAR, 1POLE 240VAC, UL489

1C50UL
Altech
1: ¥8,740.2
3Factory Stock Available

Mfr. Part #
1C50UL

Mouser Part #
845-1C50UL

Altech

Circuit Breakers 50A, C CHAR, 1POLE 240VAC, UL489

Learn More

Datasheet

3Factory Stock Available

More Info Available

¥8,740.2

¥7,250.3

¥6,688.8

¥5,753.7

View

Min.: 1
Mult.: 1

50 A

240 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

1C63UL
Altech
1: ¥8,740.2
7Factory Stock Available

Mfr. Part #
1C63UL

Mouser Part #
845-1C63UL

Altech

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

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Datasheet

7Factory Stock Available

More Info Available

¥8,740.2

¥7,250.3

¥6,688.8

¥5,753.7

View

Min.: 1
Mult.: 1

63 A

240 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 0.3A, D CHAR, 1POLE 277VAC, UL489

1D03UL
Altech
1: ¥8,210.3
10Factory Stock Available

Mfr. Part #
1D03UL

Mouser Part #
845-1D03UL

Altech

Circuit Breakers 0.3A, D CHAR, 1POLE 277VAC, UL489

Learn More

Datasheet

10Factory Stock Available

More Info Available

¥8,210.3

¥6,810.1

¥6,281.9

¥5,404.9

View

Min.: 1
Mult.: 1

300 mA

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

1D1.6UL
Altech
1: ¥8,210.3
1Factory Stock Available

Mfr. Part #
1D1.6UL

Mouser Part #
845-1D1.6UL

Altech

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

Learn More

Datasheet

1Factory Stock Available

More Info Available

¥8,210.3

¥6,810.1

¥6,281.9

¥5,404.9

View

Min.: 1
Mult.: 1

Circuit Breakers

D-Trip

1.6 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 12A, D CHAR, 1POLE 277VAC, UL489

1D12UL
Altech
1: ¥8,210.3
16Factory Stock Available

Mfr. Part #
1D12UL

Mouser Part #
845-1D12UL

Altech

Circuit Breakers 12A, D CHAR, 1POLE 277VAC, UL489

Learn More

Datasheet

16Factory Stock Available

More Info Available

¥8,210.3

¥6,810.1

¥6,281.9

¥5,404.9

View

Min.: 1
Mult.: 1

12 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 13A, D CHAR, 1POLE 277VAC, UL489

1D13UL
Altech
1: ¥8,210.3
10Factory Stock Available

Mfr. Part #
1D13UL

Mouser Part #
845-1D13UL

Altech

Circuit Breakers 13A, D CHAR, 1POLE 277VAC, UL489

Learn More

Datasheet

10Factory Stock Available

More Info Available

¥8,210.3

¥6,810.1

¥6,281.9

¥5,404.9

View

Min.: 1
Mult.: 1

13 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

1D16UL
Altech
1: ¥8,210.3
2Factory Stock Available

Mfr. Part #
1D16UL

Mouser Part #
845-1D16UL

Altech

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

Learn More

Datasheet

2Factory Stock Available

More Info Available

¥8,210.3

¥6,810.1

¥6,281.9

¥5,404.9

View

Min.: 1
Mult.: 1

16 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

1D32UL
Altech
1: ¥8,210.3
18Factory Stock Available

Mfr. Part #
1D32UL

Mouser Part #
845-1D32UL

Altech

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

Learn More

Datasheet

18Factory Stock Available

More Info Available

¥8,210.3

¥6,810.1

¥6,281.9

¥5,404.9

View

Min.: 1
Mult.: 1

32 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

1D3UL
Altech
1: ¥5,569.3
20Factory Stock Available

Mfr. Part #
1D3UL

Mouser Part #
845-1D3UL

Altech

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

Learn More

Datasheet

20Factory Stock Available

More Info Available

¥5,569.3

¥5,544.4

¥5,436.5

View

Min.: 1
Mult.: 1

3 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 40A, D CHAR, 1POLE 240VAC, UL489

1D40UL
Altech
1: ¥5,929.8
59Factory Stock Available

Mfr. Part #
1D40UL

Mouser Part #
845-1D40UL

Altech

Circuit Breakers 40A, D CHAR, 1POLE 240VAC, UL489

Learn More

Datasheet

59Factory Stock Available

More Info Available

¥5,929.8

¥5,906.5

¥5,743.7

¥5,581

Quote

Min.: 1
Mult.: 1

40 A

240 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 50A, D CHAR, 1POLE 240VAC, UL489

1D50UL
Altech
1: ¥5,929.8
30Factory Stock Available

Mfr. Part #
1D50UL

Mouser Part #
845-1D50UL

Altech

Circuit Breakers 50A, D CHAR, 1POLE 240VAC, UL489

Learn More

Datasheet

30Factory Stock Available

More Info Available

¥5,929.8

¥5,928.1

¥5,504.6

¥5,348.4

View

Min.: 1
Mult.: 1

50 A

240 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 60A, D CHAR, 1POLE 240VAC, UL489

1D60UL
Altech
1: ¥5,929.8
26Factory Stock Available

Mfr. Part #
1D60UL

Mouser Part #
845-1D60UL

Altech

Circuit Breakers 60A, D CHAR, 1POLE 240VAC, UL489

Learn More

Datasheet

26Factory Stock Available

More Info Available

¥5,929.8

¥5,928.1

¥5,504.6

¥5,348.4

View

Min.: 1
Mult.: 1

60 A

240 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

2C03UL
Altech
1: ¥15,341
25Factory Stock Available

Mfr. Part #
2C03UL

Mouser Part #
845-2C03UL

Altech

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

Learn More

Datasheet

25Factory Stock Available

More Info Available

¥15,341

¥12,832.9

¥12,158.5

¥10,132.1

¥9,456.1

Min.: 1
Mult.: 1

300 mA

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 1.6A, C CHAR, 2POLE 480Y/277VAC,UL489

2C1.6UL
Altech
1: ¥11,137
6Factory Stock Available

Mfr. Part #
2C1.6UL

Mouser Part #
845-2C1.6UL

Altech

Circuit Breakers 1.6A, C CHAR, 2POLE 480Y/277VAC,UL489

Learn More

Datasheet

6Factory Stock Available

More Info Available

¥11,137

¥11,135.3

¥10,710.1

¥10,500.8

View

Min.: 1
Mult.: 1

Circuit Breakers

C-Trip

1.6 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

2C2UL
Altech
1: ¥10,185.3
144Factory Stock Available

Mfr. Part #
2C2UL

Mouser Part #
845-2C2UL

Altech

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

Learn More

Datasheet

144Factory Stock Available

More Info Available

¥10,185.3

¥10,113.8

¥10,072.3

View

Min.: 1
Mult.: 1

Circuit Breakers

C-Trip

2 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 30A, C CHAR, 2POLE 480Y/277VAC,UL489

2C30UL
Altech
1: ¥11,125.4
17Factory Stock Available

Mfr. Part #
2C30UL

Mouser Part #
845-2C30UL

Altech

Circuit Breakers 30A, C CHAR, 2POLE 480Y/277VAC,UL489

Learn More

Datasheet

17Factory Stock Available

More Info Available

¥11,125.4

¥11,085.5

¥11,044

¥10,994.2

View

Min.: 1
Mult.: 1

30 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

2C50UL
Altech
1: ¥11,856.2
14Factory Stock Available

Mfr. Part #
2C50UL

Mouser Part #
845-2C50UL

Altech

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

Learn More

Datasheet

14Factory Stock Available

More Info Available

¥11,856.2

¥11,575.5

¥10,680.2

¥10,319.8

View

Min.: 1
Mult.: 1

Circuit Breakers

C-Trip

50 A

240 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 1.6A, D CHAR, 2POLE 480Y/277VAC,UL489

2D1.6UL
Altech
1: ¥11,137
1Factory Stock Available

Mfr. Part #
2D1.6UL

Mouser Part #
845-2D1.6UL

Altech

Circuit Breakers 1.6A, D CHAR, 2POLE 480Y/277VAC,UL489

Learn More

Datasheet

1Factory Stock Available

More Info Available

¥11,137

¥10,838

¥10,047.4

¥9,756.7

View

Min.: 1
Mult.: 1

Circuit Breakers

D-Trip

1.6 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

2D10UL
Altech
1: ¥11,137
51Factory Stock Available

Mfr. Part #
2D10UL

Mouser Part #
845-2D10UL

Altech

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

Learn More

Datasheet

51Factory Stock Available

More Info Available

¥11,137

¥10,298.2

¥10,100.5

View

Min.: 1
Mult.: 1

Circuit Breakers

D-Trip

10 A

277 VAC

2 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