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

3D2UR
Altech
1: $103.05
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

$103.05

$85.49

$79.51

$66.25

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
35Factory 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

35Factory Stock Available

More Info Available

$72.83

$71.36

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: $103.05
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

$103.05

$85.49

$79.51

$66.25

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: $103.05
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

$103.05

$85.49

$79.51

$66.25

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: $109.26
5Factory Stock Available

Mfr. Part No.
3D40UR

Mouser Part No
845-3D40UR

Altech

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

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Datasheet

5Factory Stock Available

More Info Available

$109.26

$90.64

$84.29

$70.24

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: $103.05
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

$103.05

$85.49

$79.51

$66.25

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: $103.05
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

$103.05

$85.49

$79.51

$66.25

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: $109.26
5Factory 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

5Factory Stock Available

More Info Available

$109.26

$90.64

$84.29

$70.24

View

Min.: 1
Mult.: 1

60 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

3D6UR
Altech
1: $79.00
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

$79.00

$74.83

$72.83

Min.: 1
Mult.: 1

6 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 5A,MCB D CHAR 2PL 480Y/277VAC, UL1077

2D5UR
Altech
1: $48.55
Non-Stocked Lead-Time 4 Weeks

Mfr. Part No.
2D5UR

Mouser Part No
845-2D5UR

Altech

Circuit Breakers 5A,MCB D CHAR 2PL 480Y/277VAC, UL1077

Learn More

Datasheet

Non-Stocked Lead-Time 4 Weeks

$48.55

$47.33

$46.42

$45.44

View

Min.: 1
Mult.: 1

Circuit Breakers

D-Trip

5 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

2D6UR
Altech
1: $48.55
Non-Stocked Lead-Time 2 Weeks

Mfr. Part No.
2D6UR

Mouser Part No
845-2D6UR

Altech

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

Learn More

Datasheet

Non-Stocked Lead-Time 2 Weeks

$48.55

$48.29

$47.49

$46.65

Quote

Min.: 1
Mult.: 1

6 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

3C63UR
Altech
1: $77.21
Non-Stocked Lead-Time 4 Weeks

Mfr. Part No.
3C63UR

Mouser Part No
845-3C63UR

Altech

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

Learn More

Datasheet

Non-Stocked Lead-Time 4 Weeks

$77.21

$77.19

$72.65

$70.33

View

Min.: 1
Mult.: 1

63 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

1B50UR
Altech
1: $40.34
Non-Stocked

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

$40.34

$33.47

$30.87

$25.58

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

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

$25.74

$24.48

$23.38

$22.58

$21.90

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

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

$25.74

$24.48

$23.38

$22.58

$21.90

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

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

$24.28

$23.08

$22.03

$21.27

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

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

$24.28

$23.08

$22.03

$21.27

View

Min.: 1
Mult.: 1

13 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 15A,MCB C CHAR 1 PL, 277VAC, UL1077

1C15UR
Altech
1: $24.28
Non-Stocked

Mfr. Part No.
1C15UR

Mouser Part No
845-1C15UR

Altech

Circuit Breakers 15A,MCB C CHAR 1 PL, 277VAC, UL1077

Learn More

Datasheet

Non-Stocked

$24.28

$23.08

$22.03

$21.27

View

Min.: 1
Mult.: 1

15 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 20A,MCB C CHAR 1 PL, 277VAC, UL1077

1C20UR
Altech
1: $24.28
Non-Stocked

Mfr. Part No.
1C20UR

Mouser Part No
845-1C20UR

Altech

Circuit Breakers 20A,MCB C CHAR 1 PL, 277VAC, UL1077

Learn More

Datasheet

Non-Stocked

$24.28

$22.82

$21.94

$21.11

View

Min.: 1
Mult.: 1

20 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

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

$24.28

$23.24

$22.15

$21.37

View

Min.: 1
Mult.: 1

3 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 4A,MCB C CHAR 1 PL, 277VAC, UL1077

1C4UR
Altech
1: $24.28
Non-Stocked Lead-Time 23 Weeks

Mfr. Part No.
1C4UR

Mouser Part No
845-1C4UR

Altech

Circuit Breakers 4A,MCB C CHAR 1 PL, 277VAC, UL1077

Learn More

Datasheet

Non-Stocked Lead-Time 23 Weeks

$24.28

Quote

Min.: 1
Mult.: 1

4 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: $40.34
Non-Stocked

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

$40.34

$33.47

$30.87

$25.58

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: $38.03
Non-Stocked

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

$38.03

$31.55

$29.10

$24.11

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: $38.03
Non-Stocked

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

$38.03

$31.55

$29.10

$24.11

View

Min.: 1
Mult.: 1

13 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 15A,MCB D CHAR 1 PL, 277VAC, UL1077

1D15UR
Altech
1: $38.03
Non-Stocked

Mfr. Part No.
1D15UR

Mouser Part No
845-1D15UR

Altech

Circuit Breakers 15A,MCB D CHAR 1 PL, 277VAC, UL1077

Learn More

Datasheet

Non-Stocked

$38.03

$31.55

$29.10

$24.11

View

Min.: 1
Mult.: 1

15 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