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

3C30UL
Altech
1: $144.84
4Expected 2026-09-14

Mfr. Part #
3C30UL

Mouser Part #
845-3C30UL

Altech

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

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Datasheet

4Expected 2026-09-14

$144.84

$142.10

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: $176.23
11Expected 2027-01-08

Mfr. Part #
3D20UL

Mouser Part #
845-3D20UL

Altech

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

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Datasheet

11Expected 2027-01-08

$176.23

$160.26

$144.84

$131.77

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: $154.18
5Expected 2026-11-16

Mfr. Part #
3D60UL

Mouser Part #
845-3D60UL

Altech

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

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Datasheet

5Expected 2026-11-16

$154.18

$154.17

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: $71.18
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

$71.18

$59.04

$54.46

$46.86

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: $48.28
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

$48.28

$46.74

$44.64

$43.91

View

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: $75.77
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

$75.77

$62.86

$57.99

$49.88

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: $75.77
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

$75.77

$62.86

$57.99

$49.88

View

Min.: 1
Mult.: 1

50 A

240 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

1D03UL
Altech
1: $71.18
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

$71.18

$59.04

$54.46

$46.86

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: $71.18
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

$71.18

$59.04

$54.46

$46.86

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: $71.18
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

$71.18

$59.04

$54.46

$46.86

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: $71.18
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

$71.18

$59.04

$54.46

$46.86

View

Min.: 1
Mult.: 1

13 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

1D32UL
Altech
1: $71.18
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

$71.18

$59.04

$54.46

$46.86

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: $48.28
119Factory Stock Available

Mfr. Part #
1D3UL

Mouser Part #
845-1D3UL

Altech

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

Learn More

Datasheet

119Factory Stock Available

More Info Available

$48.28

$48.07

$47.13

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: $51.41
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

$51.41

$51.21

$49.80

$48.38

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: $51.41
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

$51.41

$51.39

$47.72

$46.37

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: $51.41
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

$51.41

$51.39

$47.72

$46.37

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: $133.00
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

$133.00

$111.25

$105.41

$87.84

$81.98

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: $96.55
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

$96.55

$96.54

$92.85

$91.04

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: $88.30
26Factory Stock Available

Mfr. Part #
2C2UL

Mouser Part #
845-2C2UL

Altech

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

Learn More

Datasheet

26Factory Stock Available

More Info Available

$88.30

$87.68

$87.32

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: $96.45
20Factory Stock Available

Mfr. Part #
2C30UL

Mouser Part #
845-2C30UL

Altech

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

Learn More

Datasheet

20Factory Stock Available

More Info Available

$96.45

$96.11

$95.75

$95.31

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: $102.79
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

$102.79

$100.35

$92.59

$89.47

View

Min.: 1
Mult.: 1

Circuit Breakers

C-Trip

50 A

240 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

2C6UL
Altech
1: $96.55
17Factory Stock Available

Mfr. Part #
2C6UL

Mouser Part #
845-2C6UL

Altech

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

Learn More

Datasheet

17Factory Stock Available

More Info Available

$96.55

$95.85

View

Min.: 1
Mult.: 1

6 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

2D1.6UL
Altech
1: $96.55
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

$96.55

$93.96

$87.11

$84.59

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 13A, D CHAR, 2POLE 480Y/277VAC,UL489

2D13UL
Altech
1: $133.00
18Factory Stock Available

Mfr. Part #
2D13UL

Mouser Part #
845-2D13UL

Altech

Circuit Breakers 13A, D CHAR, 2POLE 480Y/277VAC,UL489

Learn More

Datasheet

18Factory Stock Available

More Info Available

$133.00

$111.25

$105.41

$87.84

$81.98

Min.: 1
Mult.: 1

15 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 16A, D CHAR, 2POLE 480Y/277VAC,UL489

2D16UL
Altech
1: $96.55
18Factory Stock Available

Mfr. Part #
2D16UL

Mouser Part #
845-2D16UL

Altech

Circuit Breakers 16A, D CHAR, 2POLE 480Y/277VAC,UL489

Learn More

Datasheet

18Factory Stock Available

More Info Available

$96.55

$93.96

$87.11

$84.59

View

Min.: 1
Mult.: 1

16 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

UL (AC) & DL (DC) Circuit Breakers

Mouser®

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