Circuit Breakers – Mouser United Kingdom

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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 5A, C CHAR, 2POLE 480Y/277VAC,UL489

2C5UL
Altech
1: £50.34
16In Stock

Mfr. Part No.
2C5UL

Mouser Part No
845-2C5UL

Altech

Circuit Breakers 5A, C CHAR, 2POLE 480Y/277VAC,UL489

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Datasheet

16In Stock

£50.34

£49.18

£47.81

£43.16

View

Min.: 1
Mult.: 1

5 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 4A, D CHAR, 2POLE 480Y/277VAC,UL489

2D4UL
Altech
1: £50.26
6In Stock

Mfr. Part No.
2D4UL

Mouser Part No
845-2D4UL

Altech

Circuit Breakers 4A, D CHAR, 2POLE 480Y/277VAC,UL489

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Datasheet

6In Stock

£50.26

£50.03

£48.57

£46.30

View

Min.: 1
Mult.: 1

4 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 5A, D CHAR, 2POLE 480Y/277VAC,UL489

2D5UL
Altech
1: £50.34
6In Stock

Mfr. Part No.
2D5UL

Mouser Part No
845-2D5UL

Altech

Circuit Breakers 5A, D CHAR, 2POLE 480Y/277VAC,UL489

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Datasheet

6In Stock

£50.34

£47.43

View

Min.: 1
Mult.: 1

Circuit Breaker

D-Trip

5 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

3C30UL
Altech
1: £75.51
2In Stock

Mfr. Part No.
3C30UL

Mouser Part No
845-3C30UL

Altech

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

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Datasheet

2In Stock

£75.51

£75.29

View

Min.: 1
Mult.: 1

Circuit Breaker

C-Trip

30 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

3D30UL
Altech
1: £90.61
2In Stock

Mfr. Part No.
3D30UL

Mouser Part No
845-3D30UL

Altech

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

Learn More

Datasheet

2In Stock

£90.61

£75.51

£75.08

View

Min.: 1
Mult.: 1

Circuit Breaker

D-Trip

30 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

3D3UL
Altech
1: £100.76
1In Stock

Mfr. Part No.
3D3UL

Mouser Part No
845-3D3UL

Altech

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

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Datasheet

1In Stock

£100.76

£83.55

£77.85

£64.11

£59.54

Min.: 1
Mult.: 1

3 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

2C10UL
Altech
1: £49.25
44Expected 25/05/2026

Mfr. Part No.
2C10UL

Mouser Part No
845-2C10UL

Altech

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

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Datasheet

44Expected 25/05/2026

£49.25

£48.51

£48.20

£48.08

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: £74.73
31On Order

Mfr. Part No.
3C20UL

Mouser Part No
845-3C20UL

Altech

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

Learn More

Datasheet

31On Order

£74.73

£74.69

£72.28

£69.77

View

Min.: 1
Mult.: 1

Circuit Breaker

C-Trip

20 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 1A, C CHAR, 2POLE 480Y/277VAC,UL489

2C1UL
Altech
1: £69.34
5Expected 03/03/2026

Mfr. Part No.
2C1UL

Mouser Part No
845-2C1UL

Altech

Circuit Breakers 1A, C CHAR, 2POLE 480Y/277VAC,UL489

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Datasheet

5Expected 03/03/2026

£69.34

£58.00

£54.96

£45.80

£42.74

Min.: 1
Mult.: 1

1 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 10A, D CHAR, 3POLE 480Y/277VAC,UL489

3D10UL
Altech
1: £75.51
5Expected 03/03/2026

Mfr. Part No.
3D10UL

Mouser Part No
845-3D10UL

Altech

Circuit Breakers 10A, D CHAR, 3POLE 480Y/277VAC,UL489

Learn More

Datasheet

5Expected 03/03/2026

£75.51

£69.79

£68.65

View

Min.: 1
Mult.: 1

Circuit Breaker

D-Trip

10 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 1C03UL, 0.3A, CIRCUIT BREAKER

1C03UL
Altech
1: £29.68
1Expected 06/03/2026

Mfr. Part No.
1C03UL

Mouser Part No
845-1C03UL

Altech

Circuit Breakers 1C03UL, 0.3A, CIRCUIT BREAKER

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Datasheet

1Expected 06/03/2026

£29.68

£26.50

£25.19

£25.18

Min.: 1
Mult.: 1

300 mA

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

1C15UL
Altech
1: £25.18
11On Order

Mfr. Part No.
1C15UL

Mouser Part No
845-1C15UL

Altech

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

Learn More

Datasheet

11On Order

£25.18

£23.73

£23.26

£22.79

View

Min.: 1
Mult.: 1

Circuit Breaker

C-Trip

15 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

2C20UL
Altech
1: £50.34
5Expected 10/03/2026

Mfr. Part No.
2C20UL

Mouser Part No
845-2C20UL

Altech

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

Learn More

Datasheet

5Expected 10/03/2026

£50.34

£46.50

£45.63

View

Min.: 1
Mult.: 1

20 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 8A, C CHAR, 2POLE 480Y/277VAC,UL489

2C8UL
Altech
1: £50.34
19Expected 11/05/2026

Mfr. Part No.
2C8UL

Mouser Part No
845-2C8UL

Altech

Circuit Breakers 8A, C CHAR, 2POLE 480Y/277VAC,UL489

Learn More

Datasheet

19Expected 11/05/2026

£50.34

£49.57

£47.30

£45.54

View

Min.: 1
Mult.: 1

Circuit Breaker

C-Trip

8 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

2D20UL
Altech
1: £50.34
19On Order

Mfr. Part No.
2D20UL

Mouser Part No
845-2D20UL

Altech

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

Learn More

Datasheet

19On Order

£50.34

£49.15

£48.18

View

Min.: 1
Mult.: 1

Circuit Breaker

D-Trip

20 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

2D3UL
Altech
1: £50.34
18Expected 04/05/2026

Mfr. Part No.
2D3UL

Mouser Part No
845-2D3UL

Altech

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

Learn More

Datasheet

18Expected 04/05/2026

£50.34

£49.89

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: £53.59
13Expected 23/03/2026

Mfr. Part No.
2D50UL

Mouser Part No
845-2D50UL

Altech

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

Learn More

Datasheet

13Expected 23/03/2026

£53.59

£52.41

£51.30

View

Min.: 1
Mult.: 1

50 A

240 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 6A, D CHAR, 2POLE 480Y/277VAC,UL489

2D6UL
Altech
1: £50.34
10Expected 03/04/2026

Mfr. Part No.
2D6UL

Mouser Part No
845-2D6UL

Altech

Circuit Breakers 6A, D CHAR, 2POLE 480Y/277VAC,UL489

Learn More

Datasheet

10Expected 03/04/2026

£50.34

£49.53

£48.45

View

Min.: 1
Mult.: 1

6 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

3C25UL
Altech
1: £75.51
6Expected 29/06/2026

Mfr. Part No.
3C25UL

Mouser Part No
845-3C25UL

Altech

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

Learn More

Datasheet

6Expected 29/06/2026

£75.51

£74.62

£73.59

View

Min.: 1
Mult.: 1

Circuit Breaker

C-Trip

25 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

1C1UL
Altech
1: £25.18
111Factory Stock Available

Mfr. Part No.
1C1UL

Mouser Part No
845-1C1UL

Altech

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

Learn More

Datasheet

111Factory Stock Available

More Info Available

£25.18

£25.17

£23.89

£22.20

View

Min.: 1
Mult.: 1

1 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

1C30UL
Altech
1: £25.18
45Factory Stock Available

Mfr. Part No.
1C30UL

Mouser Part No
845-1C30UL

Altech

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

Learn More

Datasheet

45Factory Stock Available

More Info Available

£25.18

£25.17

£23.37

£22.72

View

Min.: 1
Mult.: 1

Circuit Breaker

C-Trip

30 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

1D8UL
Altech
1: £25.18
64Factory Stock Available

Mfr. Part No.
1D8UL

Mouser Part No
845-1D8UL

Altech

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

Learn More

Datasheet

64Factory Stock Available

More Info Available

£25.18

£23.47

£22.70

£21.87

View

Min.: 1
Mult.: 1

8 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 2C13UL, 13A, CIRCUIT BREAKER

2C13UL
Altech
1: £50.34
18Factory Stock Available

Mfr. Part No.
2C13UL

Mouser Part No
845-2C13UL

Altech

Circuit Breakers 2C13UL, 13A, CIRCUIT BREAKER

Learn More

Datasheet

18Factory Stock Available

More Info Available

£50.34

£48.41

£45.88

£44.90

View

Min.: 1
Mult.: 1

13 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

3C15UL
Altech
1: £75.51
45Factory Stock Available

Mfr. Part No.
3C15UL

Mouser Part No
845-3C15UL

Altech

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

Learn More

Datasheet

45Factory Stock Available

More Info Available

£75.51

£75.38

£74.78

£74.24

View

Min.: 1
Mult.: 1

15 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

3C32UL
Altech
1: £97.60
22Factory Stock Available

Mfr. Part No.
3C32UL

Mouser Part No
845-3C32UL

Altech

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

Learn More

Datasheet

22Factory Stock Available

More Info Available

£97.60

£77.03

£72.06

£70.68

View

Min.: 1
Mult.: 1

32 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

UL (AC) & DL (DC) Circuit Breakers

Customer Service Office

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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