Circuit Breakers – Mouser Hong Kong

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

3C32UL
Altech
1: HK$1,082.66
6In Stock

Mfr. Part No.
3C32UL

Mouser Part No
845-3C32UL

Altech

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

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Datasheet

6In Stock

HK$1,082.66

HK$914.80

HK$826.77

HK$789.61

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: HK$1,082.66
11In Stock

Mfr. Part No.
3C8UL

Mouser Part No
845-3C8UL

Altech

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

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Datasheet

11In Stock

HK$1,082.66

HK$914.72

HK$852.33

HK$756.32

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: HK$826.77
1In Stock
5Expected 2/2/2027

Mfr. Part No.
3D15UL

Mouser Part No
845-3D15UL

Altech

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

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Datasheet

1In Stock

5Expected 2/2/2027

HK$826.77

HK$801.37

HK$748.35

HK$731.33

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: HK$1,082.66
1In Stock

Mfr. Part No.
3D3UL

Mouser Part No
845-3D3UL

Altech

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

Learn More

Datasheet

1In Stock

HK$1,082.66

HK$826.77

HK$811.40

HK$756.32

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: HK$484.24
1In Stock

Mfr. Part No.
N32UL

Mouser Part No
845-N32UL

Altech

Circuit Breakers N32UL, Neutral Pole, UL489

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Datasheet

1In Stock

HK$484.24

HK$401.63

HK$370.48

HK$318.69

View

Min.: 1
Mult.: 1

32 A

277 VAC

Handle

- 25 C

+ 55 C

Non-Illuminated

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

1C2UL
Altech
1: HK$275.62
52On Order

Mfr. Part No.
1C2UL

Mouser Part No
845-1C2UL

Altech

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

Learn More

Datasheet

52On Order

HK$275.62

HK$263.04

HK$253.59

HK$246.93

View

Min.: 1
Mult.: 1

Circuit Breakers

C-Trip

2 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

1C3UL
Altech
1: HK$275.62
312On Order

Mfr. Part No.
1C3UL

Mouser Part No
845-1C3UL

Altech

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

Learn More

Datasheet

312On Order

HK$275.62

HK$273.40

HK$257.29

HK$250.87

View

Min.: 1
Mult.: 1

Circuit Breakers

C-Trip

3 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

3C20UL
Altech
1: HK$826.77
39Expected 14/12/2026

Mfr. Part No.
3C20UL

Mouser Part No
845-3C20UL

Altech

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

Learn More

Datasheet

39Expected 14/12/2026

HK$826.77

HK$712.84

HK$698.95

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: HK$275.62
6Expected 21/9/2026

Mfr. Part No.
1C03UL

Mouser Part No
845-1C03UL

Altech

Circuit Breakers 1C03UL, 0.3A, CIRCUIT BREAKER

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Datasheet

6Expected 21/9/2026

HK$275.62

HK$275.53

HK$272.74

HK$265.26

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: HK$275.62
6Expected 11/1/2027

Mfr. Part No.
1C05UL

Mouser Part No
845-1C05UL

Altech

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

Learn More

Datasheet

6Expected 11/1/2027

HK$275.62

HK$262.55

HK$254.33

HK$246.76

View

Min.: 1
Mult.: 1

500 mA

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

1C30UL
Altech
1: HK$275.62
11On Order

Mfr. Part No.
1C30UL

Mouser Part No
845-1C30UL

Altech

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

Learn More

Datasheet

11On Order

HK$275.62

HK$274.63

HK$267.07

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: HK$275.62
9Expected 7/12/2026

Mfr. Part No.
1C6UL

Mouser Part No
845-1C6UL

Altech

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

Learn More

Datasheet

9Expected 7/12/2026

HK$275.62

HK$274.71

HK$257.94

HK$250.79

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: HK$275.62
49On Order

Mfr. Part No.
1D15UL

Mouser Part No
845-1D15UL

Altech

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

Learn More

Datasheet

49On Order

HK$275.62

HK$267.48

HK$255.72

HK$249.97

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: HK$275.62
5Expected 23/9/2026

Mfr. Part No.
1D25UL

Mouser Part No
845-1D25UL

Altech

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

Learn More

Datasheet

5Expected 23/9/2026

HK$275.62

HK$268.22

HK$260.90

HK$253.01

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: HK$275.62
7Expected 23/9/2026

Mfr. Part No.
1D2UL

Mouser Part No
845-1D2UL

Altech

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

Learn More

Datasheet

7Expected 23/9/2026

HK$275.62

HK$270.93

HK$256.05

HK$248.33

View

Min.: 1
Mult.: 1

2 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

1D6UL
Altech
1: HK$275.62
7Expected 7/12/2026

Mfr. Part No.
1D6UL

Mouser Part No
845-1D6UL

Altech

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

Learn More

Datasheet

7Expected 7/12/2026

HK$275.62

HK$270.11

HK$262.96

HK$255.81

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: HK$275.62
23Expected 4/1/2027

Mfr. Part No.
1D8UL

Mouser Part No
845-1D8UL

Altech

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

Learn More

Datasheet

23Expected 4/1/2027

HK$275.62

HK$275.53

HK$273.64

HK$265.75

View

Min.: 1
Mult.: 1

8 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

2C12UL
Altech
1: HK$703.55
7Expected 2/2/2027

Mfr. Part No.
2C12UL

Mouser Part No
845-2C12UL

Altech

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

Learn More

Datasheet

7Expected 2/2/2027

HK$703.55

HK$616.17

HK$582.30

HK$516.63

View

Min.: 1
Mult.: 1

Circuit Breakers

C-Trip

12 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

2C20UL
Altech
1: HK$551.15
17On Order

Mfr. Part No.
2C20UL

Mouser Part No
845-2C20UL

Altech

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

Learn More

Datasheet

17On Order

HK$551.15

HK$494.93

HK$471.25

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: HK$551.15
5Expected 15/9/2026

Mfr. Part No.
2C25UL

Mouser Part No
845-2C25UL

Altech

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

Learn More

Datasheet

5Expected 15/9/2026

HK$551.15

HK$547.95

HK$532.74

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: HK$551.15
8Expected 21/12/2026

Mfr. Part No.
2D15UL

Mouser Part No
845-2D15UL

Altech

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

Learn More

Datasheet

8Expected 21/12/2026

HK$551.15

HK$551.07

HK$521.81

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: HK$551.15
15Expected 11/1/2027

Mfr. Part No.
2D3UL

Mouser Part No
845-2D3UL

Altech

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

Learn More

Datasheet

15Expected 11/1/2027

HK$551.15

HK$545.31

HK$535.70

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: HK$586.74
6Expected 19/10/2026

Mfr. Part No.
2D50UL

Mouser Part No
845-2D50UL

Altech

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

Learn More

Datasheet

6Expected 19/10/2026

HK$586.74

HK$583.70

HK$568.91

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: HK$826.77
5Expected 21/12/2026

Mfr. Part No.
3C25UL

Mouser Part No
845-3C25UL

Altech

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

Learn More

Datasheet

5Expected 21/12/2026

HK$826.77

HK$826.69

HK$811.40

View

Min.: 1
Mult.: 1

Circuit Breakers

C-Trip

25 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

3C30UL
Altech
1: HK$826.77
4Expected 14/9/2026

Mfr. Part No.
3C30UL

Mouser Part No
845-3C30UL

Altech

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

Learn More

Datasheet

4Expected 14/9/2026

HK$826.77

HK$826.69

HK$790.35

Min.: 1
Mult.: 1

Circuit Breakers

C-Trip

30 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

UL (AC) & DL (DC) Circuit Breakers

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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