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 25A,MCB D CHAR 3PL 480Y/277VAC, UL1077

3D25UR
Altech
1: $72.83
18Factory Stock Available

Mfr. Part No.
3D25UR

Mouser Part No
845-3D25UR

Altech

Circuit Breakers 25A,MCB D CHAR 3PL 480Y/277VAC, UL1077

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Datasheet

18Factory Stock Available

More Info Available

$72.83

$69.12

$67.06

$65.20

View

Min.: 1
Mult.: 1

25 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

3D2UR
Altech
1: $72.83
5Factory Stock Available

Mfr. Part No.
3D2UR

Mouser Part No
845-3D2UR

Altech

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

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Datasheet

5Factory Stock Available

More Info Available

$72.83

$72.81

$68.04

$66.01

View

Min.: 1
Mult.: 1

Circuit Breakers

D-Trip

2 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 30A,MCB D CHAR 3PL 480Y/277VAC, UL1077

3D30UR
Altech
1: $72.83
29Factory Stock Available

Mfr. Part No.
3D30UR

Mouser Part No
845-3D30UR

Altech

Circuit Breakers 30A,MCB D CHAR 3PL 480Y/277VAC, UL1077

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Datasheet

29Factory Stock Available

More Info Available

$72.83

$72.68

View

Min.: 1
Mult.: 1

30 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 32A,MCB D CHAR 3PL 480Y/277VAC, UL1077

3D32UR
Altech
1: $72.83
34Factory Stock Available

Mfr. Part No.
3D32UR

Mouser Part No
845-3D32UR

Altech

Circuit Breakers 32A,MCB D CHAR 3PL 480Y/277VAC, UL1077

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Datasheet

34Factory Stock Available

More Info Available

$72.83

$72.81

$68.04

$66.01

View

Min.: 1
Mult.: 1

32 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

3D3UR
Altech
1: $72.83
11Factory Stock Available

Mfr. Part No.
3D3UR

Mouser Part No
845-3D3UR

Altech

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

Learn More

Datasheet

11Factory Stock Available

More Info Available

$72.83

$69.44

$63.97

$61.58

View

Min.: 1
Mult.: 1

3 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 40A,MCB D CHAR 3PL 480Y/277VAC, UL1077

3D40UR
Altech
1: $77.21
3Factory Stock Available

Mfr. Part No.
3D40UR

Mouser Part No
845-3D40UR

Altech

Circuit Breakers 40A,MCB D CHAR 3PL 480Y/277VAC, UL1077

Learn More

Datasheet

3Factory Stock Available

More Info Available

$77.21

$73.28

$71.10

View

Min.: 1
Mult.: 1

40 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

3D4UR
Altech
1: $72.83
1Factory Stock Available

Mfr. Part No.
3D4UR

Mouser Part No
845-3D4UR

Altech

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

Learn More

Datasheet

1Factory Stock Available

More Info Available

$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 5A,MCB D CHAR 3PL 480Y/277VAC, UL1077

3D5UR
Altech
1: $72.83
20Factory Stock Available

Mfr. Part No.
3D5UR

Mouser Part No
845-3D5UR

Altech

Circuit Breakers 5A,MCB D CHAR 3PL 480Y/277VAC, UL1077

Learn More

Datasheet

20Factory Stock Available

More Info Available

$72.83

$69.12

$67.06

$65.20

View

Min.: 1
Mult.: 1

5 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 60A,MCB D CHAR 3PL 480Y/277VAC, UL1077

3D60UR
Altech
1: $77.21
1Factory Stock Available

Mfr. Part No.
3D60UR

Mouser Part No
845-3D60UR

Altech

Circuit Breakers 60A,MCB D CHAR 3PL 480Y/277VAC, UL1077

Learn More

Datasheet

1Factory Stock Available

More Info Available

$77.21

$73.28

$71.10

View

Min.: 1
Mult.: 1

60 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 63A,MCB D CHAR 3PL 480Y/277VAC, UL1077

3D63UR
Altech
1: $77.21
1Factory Stock Available

Mfr. Part No.
3D63UR

Mouser Part No
845-3D63UR

Altech

Circuit Breakers 63A,MCB D CHAR 3PL 480Y/277VAC, UL1077

Learn More

Datasheet

1Factory Stock Available

More Info Available

$77.21

$77.19

$72.13

$69.99

View

Min.: 1
Mult.: 1

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

3D6UR
Altech
1: $72.83
8Factory Stock Available

Mfr. Part No.
3D6UR

Mouser Part No
845-3D6UR

Altech

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

Learn More

Datasheet

8Factory Stock Available

More Info Available

$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 2A,MCB B CHAR 1 PL, 277VAC, UL1077

1B2UR
Altech
1: $24.28
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
1B2UR

Mouser Part No
845-1B2UR

Altech

Circuit Breakers 2A,MCB B CHAR 1 PL, 277VAC, UL1077

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

$24.28

$24.02

$23.11

$22.43

View

Min.: 1
Mult.: 1

2 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 50A,MCB B CHAR 1 PL, 277VAC, UL1077

1B50UR
Altech
1: $25.74
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
1B50UR

Mouser Part No
845-1B50UR

Altech

Circuit Breakers 50A,MCB B CHAR 1 PL, 277VAC, UL1077

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

$25.74

$25.01

$23.99

$23.23

View

Min.: 1
Mult.: 1

50 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 60A,MCB B CHAR 1 PL, 277VAC, UL1077

1B60UR
Altech
1: $25.74
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
1B60UR

Mouser Part No
845-1B60UR

Altech

Circuit Breakers 60A,MCB B CHAR 1 PL, 277VAC, UL1077

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

$25.74

$25.01

$23.99

$23.23

View

Min.: 1
Mult.: 1

60 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 63A,MCB B CHAR 1 PL, 277VAC, UL1077

1B63UR
Altech
1: $25.74
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
1B63UR

Mouser Part No
845-1B63UR

Altech

Circuit Breakers 63A,MCB B CHAR 1 PL, 277VAC, UL1077

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

$25.74

$24.48

$23.38

$22.58

View

Min.: 1
Mult.: 1

63 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 12A,MCB C CHAR 1 PL, 277VAC, UL1077

1C12UR
Altech
1: $24.28
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
1C12UR

Mouser Part No
845-1C12UR

Altech

Circuit Breakers 12A,MCB C CHAR 1 PL, 277VAC, UL1077

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

$24.28

$23.08

$22.03

$21.28

View

Min.: 1
Mult.: 1

12 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 13A,MCB C CHAR 1 PL, 277VAC, UL1077

1C13UR
Altech
1: $24.28
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
1C13UR

Mouser Part No
845-1C13UR

Altech

Circuit Breakers 13A,MCB C CHAR 1 PL, 277VAC, UL1077

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

$24.28

$23.57

$22.62

$21.90

View

Min.: 1
Mult.: 1

13 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 3A,MCB C CHAR 1 PL, 277VAC, UL1077

1C3UR
Altech
1: $24.28
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
1C3UR

Mouser Part No
845-1C3UR

Altech

Circuit Breakers 3A,MCB C CHAR 1 PL, 277VAC, UL1077

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

$24.28

$23.72

$22.73

$21.99

View

Min.: 1
Mult.: 1

3 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 60A,MCB C CHAR 1 PL, 277VAC, UL1077

1C60UR
Altech
1: $25.74
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
1C60UR

Mouser Part No
845-1C60UR

Altech

Circuit Breakers 60A,MCB C CHAR 1 PL, 277VAC, UL1077

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

$25.74

$25.01

$23.99

$23.23

View

Min.: 1
Mult.: 1

60 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 12A,MCB D CHAR 1 PL, 277VAC, UL1077

1D12UR
Altech
1: $24.28
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
1D12UR

Mouser Part No
845-1D12UR

Altech

Circuit Breakers 12A,MCB D CHAR 1 PL, 277VAC, UL1077

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

$24.28

$23.57

$22.62

$21.90

View

Min.: 1
Mult.: 1

12 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 13A,MCB D CHAR 1 PL, 277VAC, UL1077

1D13UR
Altech
1: $24.28
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
1D13UR

Mouser Part No
845-1D13UR

Altech

Circuit Breakers 13A,MCB D CHAR 1 PL, 277VAC, UL1077

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

$24.28

$23.72

$22.73

$21.99

View

Min.: 1
Mult.: 1

13 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 1A,MCB D CHAR 1 PL, 277VAC, UL1077

1D1UR
Altech
1: $24.28
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
1D1UR

Mouser Part No
845-1D1UR

Altech

Circuit Breakers 1A,MCB D CHAR 1 PL, 277VAC, UL1077

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

$24.28

$23.56

$22.67

$22.02

View

Min.: 1
Mult.: 1

Circuit Breakers

D-Trip

1 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 50A,MCB D CHAR 1 PL, 277VAC, UL1077

1D50UR
Altech
1: $25.74
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
1D50UR

Mouser Part No
845-1D50UR

Altech

Circuit Breakers 50A,MCB D CHAR 1 PL, 277VAC, UL1077

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

$25.74

$25.01

$23.99

$23.23

View

Min.: 1
Mult.: 1

50 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 60A,MCB D CHAR 1 PL, 277VAC, UL1077

1D60UR
Altech
1: $25.74
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
1D60UR

Mouser Part No
845-1D60UR

Altech

Circuit Breakers 60A,MCB D CHAR 1 PL, 277VAC, UL1077

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

$25.74

$25.01

$23.99

$23.23

View

Min.: 1
Mult.: 1

60 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 63A,MCB D CHAR 1 PL, 277VAC, UL1077

1D63UR
Altech
1: $25.74
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
1D63UR

Mouser Part No
845-1D63UR

Altech

Circuit Breakers 63A,MCB D CHAR 1 PL, 277VAC, UL1077

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

$25.74

$25.01

$23.99

$23.23

View

Min.: 1
Mult.: 1

63 A

277 VAC

1 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