Circuit Breakers – Mouser Canada

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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: $103.93
16In Stock

Mfr. Part #
2C5UL

Mouser Part #
845-2C5UL

Altech

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

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Datasheet

16In Stock

$103.93

$101.54

$98.70

$89.11

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: $103.76
6In Stock

Mfr. Part #
2D4UL

Mouser Part #
845-2D4UL

Altech

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

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Datasheet

6In Stock

$103.76

$103.29

$100.29

$95.57

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: $103.76
6In Stock

Mfr. Part #
2D5UL

Mouser Part #
845-2D5UL

Altech

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

Learn More

Datasheet

6In Stock

$103.76

$103.29

$102.56

$102.33

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: $155.90
2In Stock

Mfr. Part #
3C30UL

Mouser Part #
845-3C30UL

Altech

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

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Datasheet

2In Stock

$155.90

$154.16

$150.24

$146.66

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: $208.03
2In Stock

Mfr. Part #
3D30UL

Mouser Part #
845-3D30UL

Altech

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

Learn More

Datasheet

2In Stock

$208.03

$172.50

$160.74

$132.37

$122.92

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: $208.03
1In Stock

Mfr. Part #
3D3UL

Mouser Part #
845-3D3UL

Altech

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

Learn More

Datasheet

1In Stock

$208.03

$172.50

$160.74

$132.37

$122.92

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: $101.68
44Expected 2026-05-25

Mfr. Part #
2C10UL

Mouser Part #
845-2C10UL

Altech

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

Learn More

Datasheet

44Expected 2026-05-25

$101.68

$100.16

$99.51

$99.26

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: $154.29
31On Order

Mfr. Part #
3C20UL

Mouser Part #
845-3C20UL

Altech

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

Learn More

Datasheet

31On Order

$154.29

$154.19

$149.22

$144.04

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: $143.16
5Expected 2026-03-03

Mfr. Part #
2C1UL

Mouser Part #
845-2C1UL

Altech

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

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Datasheet

5Expected 2026-03-03

$143.16

$119.75

$113.46

$94.55

$88.24

Min.: 1
Mult.: 1

1 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 1C03UL, 0.3A, CIRCUIT BREAKER

1C03UL
Altech
1: $61.27
1Expected 2026-03-11

Mfr. Part #
1C03UL

Mouser Part #
845-1C03UL

Altech

Circuit Breakers 1C03UL, 0.3A, CIRCUIT BREAKER

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Datasheet

1Expected 2026-03-11

$61.27

$54.70

$52.02

$51.97

Min.: 1
Mult.: 1

300 mA

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

2C20UL
Altech
1: $103.93
5Expected 2026-04-03

Mfr. Part #
2C20UL

Mouser Part #
845-2C20UL

Altech

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

Learn More

Datasheet

5Expected 2026-04-03

$103.93

$100.05

$92.40

$90.10

View

Min.: 1
Mult.: 1

20 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

2C4UL
Altech
1: $103.93
1In Stock
9Expected 2026-02-24

Mfr. Part #
2C4UL

Mouser Part #
845-2C4UL

Altech

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

Learn More

Datasheet

1In Stock

9Expected 2026-02-24

$103.93

$103.26

$98.32

$97.88

View

Min.: 1
Mult.: 1

4 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

2C8UL
Altech
1: $103.93
19Expected 2026-05-11

Mfr. Part #
2C8UL

Mouser Part #
845-2C8UL

Altech

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

Learn More

Datasheet

19Expected 2026-05-11

$103.93

$102.33

$97.65

$94.02

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: $103.93
19On Order

Mfr. Part #
2D20UL

Mouser Part #
845-2D20UL

Altech

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

Learn More

Datasheet

19On Order

$103.93

$102.21

$101.20

$98.66

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: $103.93
18Expected 2026-05-04

Mfr. Part #
2D3UL

Mouser Part #
845-2D3UL

Altech

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

Learn More

Datasheet

18Expected 2026-05-04

$103.93

$102.97

$102.04

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: $110.64
13Expected 2026-03-23

Mfr. Part #
2D50UL

Mouser Part #
845-2D50UL

Altech

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

Learn More

Datasheet

13Expected 2026-03-23

$110.64

$108.62

$101.00

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: $103.93
10Expected 2026-04-03

Mfr. Part #
2D6UL

Mouser Part #
845-2D6UL

Altech

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

Learn More

Datasheet

10Expected 2026-04-03

$103.93

$100.86

$97.20

$96.08

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: $151.47
6Expected 2026-06-29

Mfr. Part #
3C25UL

Mouser Part #
845-3C25UL

Altech

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

Learn More

Datasheet

6Expected 2026-06-29

$151.47

$146.03

$143.30

$141.13

View

Min.: 1
Mult.: 1

Circuit Breaker

C-Trip

25 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

3D10UL
Altech
1: $152.83
5Expected 2026-03-03

Mfr. Part #
3D10UL

Mouser Part #
845-3D10UL

Altech

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

Learn More

Datasheet

5Expected 2026-03-03

$152.83

$150.04

$143.41

$136.59

View

Min.: 1
Mult.: 1

Circuit Breaker

D-Trip

10 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

1C30UL
Altech
1: $51.97
41Factory Stock Available

Mfr. Part #
1C30UL

Mouser Part #
845-1C30UL

Altech

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

Learn More

Datasheet

41Factory Stock Available

More Info Available

$51.97

$51.96

$48.25

$46.89

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: $51.97
64Factory Stock Available

Mfr. Part #
1D8UL

Mouser Part #
845-1D8UL

Altech

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

Learn More

Datasheet

64Factory Stock Available

More Info Available

$51.97

$48.44

$46.86

$45.15

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: $101.73
18Factory Stock Available

Mfr. Part #
2C13UL

Mouser Part #
845-2C13UL

Altech

Circuit Breakers 2C13UL, 13A, CIRCUIT BREAKER

Learn More

Datasheet

18Factory Stock Available

More Info Available

$101.73

$97.39

$92.78

$90.68

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: $155.90
5Factory Stock Available

Mfr. Part #
3C15UL

Mouser Part #
845-3C15UL

Altech

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

Learn More

Datasheet

5Factory Stock Available

More Info Available

$155.90

$155.88

$155.64

$154.38

View

Min.: 1
Mult.: 1

15 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 4A, D CHAR, 3POLE 480Y/277VAC,UL489

3D4UL
Altech
1: $155.90
12Factory Stock Available

Mfr. Part #
3D4UL

Mouser Part #
845-3D4UL

Altech

Circuit Breakers 4A, D CHAR, 3POLE 480Y/277VAC,UL489

Learn More

Datasheet

12Factory Stock Available

More Info Available

$155.90

$155.88

$148.23

$136.71

View

Min.: 1
Mult.: 1

4 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 6A, D CHAR, 3POLE 480Y/277VAC,UL489

3D6UL
Altech
1: $208.03
27Factory Stock Available

Mfr. Part #
3D6UL

Mouser Part #
845-3D6UL

Altech

Circuit Breakers 6A, D CHAR, 3POLE 480Y/277VAC,UL489

Learn More

Datasheet

27Factory Stock Available

More Info Available

$208.03

$172.50

$160.74

$132.37

$122.92

Min.: 1
Mult.: 1

6 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

UL (AC) & DL (DC) Circuit Breakers

Mouser Electronics®

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