Circuit Breakers – Mouser Singapore

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UR Circuit Breakers

Altech UR Circuit Breakers are UL 1077-recognized supplementary protectors with B-, C-, and D-trip curves. These DIN-rail-mounted modules are available in 1-, 2-, and 3-pole variants as well as an add-on neutral pole option. Altech UR Circuit Breakers feature a 17.5mm width per pole and 10kA short circuit withstand capacity. Typical applications include sensitive electronics, power supplies, and appliance circuits.

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Part #

Circuit Breakers 12A,MCB B CHAR 2PL 480Y/277VAC, UL1077

2B12UR
Altech
1: $48.55
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
2B12UR

Mouser Part No
845-2B12UR

Altech

Circuit Breakers 12A,MCB B CHAR 2PL 480Y/277VAC, UL1077

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

$48.55

$46.25

$45.02

$43.68

View

Min.: 1
Mult.: 1

12 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 13A,MCB B CHAR 2PL 480Y/277VAC, UL1077

2B13UR
Altech
1: $48.55
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
2B13UR

Mouser Part No
845-2B13UR

Altech

Circuit Breakers 13A,MCB B CHAR 2PL 480Y/277VAC, UL1077

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

$48.55

$46.25

$45.02

$43.68

View

Min.: 1
Mult.: 1

13 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 32A,MCB B CHAR 2PL 480Y/277VAC, UL1077

2B32UR
Altech
1: $48.55
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
2B32UR

Mouser Part No
845-2B32UR

Altech

Circuit Breakers 32A,MCB B CHAR 2PL 480Y/277VAC, UL1077

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Datasheet

Non-Stocked Lead-Time 18 Weeks

$48.55

$48.25

$46.95

View

Min.: 1
Mult.: 1

32 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 63A,MCB B CHAR 2PL 480Y/277VAC, UL1077

2B63UR
Altech
1: $51.46
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
2B63UR

Mouser Part No
845-2B63UR

Altech

Circuit Breakers 63A,MCB B CHAR 2PL 480Y/277VAC, UL1077

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

$51.46

$49.01

$47.71

$46.29

View

Min.: 1
Mult.: 1

63 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 0.5A,MCB C CHAR 2PL 480Y/277VAC, UL1077

2C05UR
Altech
1: $48.55
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
2C05UR

Mouser Part No
845-2C05UR

Altech

Circuit Breakers 0.5A,MCB C CHAR 2PL 480Y/277VAC, UL1077

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

$48.55

$46.25

$45.02

$43.68

View

Min.: 1
Mult.: 1

500 mA

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 13A,MCB C CHAR 2PL 480Y/277VAC, UL1077

2C13UR
Altech
1: $48.55
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
2C13UR

Mouser Part No
845-2C13UR

Altech

Circuit Breakers 13A,MCB C CHAR 2PL 480Y/277VAC, UL1077

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

$48.55

$46.25

$45.02

$43.68

View

Min.: 1
Mult.: 1

13 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 30A,MCB C CHAR 2PL 480Y/277VAC, UL1077

2C30UR
Altech
1: $48.55
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
2C30UR

Mouser Part No
845-2C30UR

Altech

Circuit Breakers 30A,MCB C CHAR 2PL 480Y/277VAC, UL1077

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

$48.55

$46.25

$45.02

$43.68

View

Min.: 1
Mult.: 1

Circuit Breakers

C-Trip

30 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 40A,MCB C CHAR 2PL 480Y/277VAC, UL1077

2C40UR
Altech
1: $51.46
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
2C40UR

Mouser Part No
845-2C40UR

Altech

Circuit Breakers 40A,MCB C CHAR 2PL 480Y/277VAC, UL1077

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

$51.46

$50.09

$46.42

$44.83

View

Min.: 1
Mult.: 1

40 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 50A,MCB C CHAR 2PL 480Y/277VAC, UL1077

2C50UR
Altech
1: $51.46
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
2C50UR

Mouser Part No
845-2C50UR

Altech

Circuit Breakers 50A,MCB C CHAR 2PL 480Y/277VAC, UL1077

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

$51.46

$50.09

$46.42

$44.83

View

Min.: 1
Mult.: 1

Circuit Breakers 63A,MCB C CHAR 2PL 480Y/277VAC, UL1077

2C63UR
Altech
1: $51.46
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
2C63UR

Mouser Part No
845-2C63UR

Altech

Circuit Breakers 63A,MCB C CHAR 2PL 480Y/277VAC, UL1077

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

$51.46

$49.01

$47.71

$46.29

View

Min.: 1
Mult.: 1

63 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 6A,MCB C CHAR 2PL 480Y/277VAC, UL1077

2C6UR
Altech
1: $48.55
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
2C6UR

Mouser Part No
845-2C6UR

Altech

Circuit Breakers 6A,MCB C CHAR 2PL 480Y/277VAC, UL1077

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

$48.55

$48.25

$46.95

View

Min.: 1
Mult.: 1

6 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 8A,MCB C CHAR 2PL 480Y/277VAC, UL1077

2C8UR
Altech
1: $48.55
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
2C8UR

Mouser Part No
845-2C8UR

Altech

Circuit Breakers 8A,MCB C CHAR 2PL 480Y/277VAC, UL1077

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

$48.55

$46.96

$45.71

$44.36

View

Min.: 1
Mult.: 1

8 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 12A,MCB D CHAR 2PL 480Y/277VAC, UL1077

2D12UR
Altech
1: $48.55
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
2D12UR

Mouser Part No
845-2D12UR

Altech

Circuit Breakers 12A,MCB D CHAR 2PL 480Y/277VAC, UL1077

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

$48.55

$48.16

$47.10

View

Min.: 1
Mult.: 1

12 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 13A,MCB D CHAR 2PL 480Y/277VAC, UL1077

2D13UR
Altech
1: $48.55
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
2D13UR

Mouser Part No
845-2D13UR

Altech

Circuit Breakers 13A,MCB D CHAR 2PL 480Y/277VAC, UL1077

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

$48.55

$46.25

$45.02

$43.68

View

Min.: 1
Mult.: 1

13 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 3A,MCB D CHAR 2PL 480Y/277VAC, UL1077

2D3UR
Altech
1: $48.55
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
2D3UR

Mouser Part No
845-2D3UR

Altech

Circuit Breakers 3A,MCB D CHAR 2PL 480Y/277VAC, UL1077

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

$48.55

$46.38

$44.96

$43.45

View

Min.: 1
Mult.: 1

3 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 0.5A,MCB B CHAR 3PL 480Y/277VAC, UL1077

3B05UR
Altech
1: $72.83
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
3B05UR

Mouser Part No
845-3B05UR

Altech

Circuit Breakers 0.5A,MCB B CHAR 3PL 480Y/277VAC, UL1077

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

$72.83

$72.81

$68.04

$66.01

View

Min.: 1
Mult.: 1

500 mA

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 12A,MCB B CHAR 3PL 480Y/277VAC, UL1077

3B12UR
Altech
1: $72.83
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
3B12UR

Mouser Part No
845-3B12UR

Altech

Circuit Breakers 12A,MCB B CHAR 3PL 480Y/277VAC, UL1077

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

$72.83

$72.81

$68.04

$66.01

View

Min.: 1
Mult.: 1

12 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 16A,MCB B CHAR 3PL 480Y/277VAC, UL1077

3B16UR
Altech
1: $72.83
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
3B16UR

Mouser Part No
845-3B16UR

Altech

Circuit Breakers 16A,MCB B CHAR 3PL 480Y/277VAC, UL1077

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

$72.83

$71.86

$66.01

$63.48

View

Min.: 1
Mult.: 1

16 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 1A,MCB B CHAR 3PL 480Y/277VAC, UL1077

3B1UR
Altech
1: $72.83
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
3B1UR

Mouser Part No
845-3B1UR

Altech

Circuit Breakers 1A,MCB B CHAR 3PL 480Y/277VAC, UL1077

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

$72.83

$72.81

$68.04

$66.01

View

Min.: 1
Mult.: 1

1 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 2A,MCB B CHAR 3PL 480Y/277VAC, UL1077

3B2UR
Altech
1: $72.83
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
3B2UR

Mouser Part No
845-3B2UR

Altech

Circuit Breakers 2A,MCB B CHAR 3PL 480Y/277VAC, UL1077

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

$72.83

$71.86

$66.01

$63.48

View

Min.: 1
Mult.: 1

2 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 3A,MCB B CHAR 3PL 480Y/277VAC, UL1077

3B3UR
Altech
1: $72.83
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
3B3UR

Mouser Part No
845-3B3UR

Altech

Circuit Breakers 3A,MCB B CHAR 3PL 480Y/277VAC, UL1077

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

$72.83

$72.81

$68.04

$66.01

View

Min.: 1
Mult.: 1

3 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 4A,MCB B CHAR 3PL 480Y/277VAC, UL1077

3B4UR
Altech
1: $72.83
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
3B4UR

Mouser Part No
845-3B4UR

Altech

Circuit Breakers 4A,MCB B CHAR 3PL 480Y/277VAC, UL1077

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

$72.83

$72.81

$68.04

$66.01

View

Min.: 1
Mult.: 1

4 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 6A,MCB B CHAR 3PL 480Y/277VAC, UL1077

3B6UR
Altech
1: $72.83
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
3B6UR

Mouser Part No
845-3B6UR

Altech

Circuit Breakers 6A,MCB B CHAR 3PL 480Y/277VAC, UL1077

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

$72.83

$72.81

$68.04

$66.01

View

Min.: 1
Mult.: 1

6 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 8A,MCB B CHAR 3PL 480Y/277VAC, UL1077

3B8UR
Altech
1: $72.83
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
3B8UR

Mouser Part No
845-3B8UR

Altech

Circuit Breakers 8A,MCB B CHAR 3PL 480Y/277VAC, UL1077

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

$72.83

$72.81

$68.04

$66.01

View

Min.: 1
Mult.: 1

8 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 0.5A,MCB C CHAR 3PL 480Y/277VAC, UL1077

3C05UR
Altech
1: $72.83
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
3C05UR

Mouser Part No
845-3C05UR

Altech

Circuit Breakers 0.5A,MCB C CHAR 3PL 480Y/277VAC, UL1077

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

$72.83

$72.81

$68.04

$66.01

View

Min.: 1
Mult.: 1

500 mA

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

UR Circuit Breakers

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500 mA
1 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
50 A
60 A