Circuit Breakers – Mouser United Kingdom

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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 B CHAR 1 PL, 277VAC, UL1077

1B25UR
Altech
1: £21.00
67Factory Stock Available

Mfr. Part No.
1B25UR

Mouser Part No
845-1B25UR

Altech

Circuit Breakers 25A,MCB B CHAR 1 PL, 277VAC, UL1077

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Datasheet

67Factory Stock Available

More Info Available

£21.00

£17.42

£16.06

£13.31

View

Min.: 1
Mult.: 1

25 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

1B2UR
Altech
1: £13.40
57Factory Stock Available

Mfr. Part No.
1B2UR

Mouser Part No
845-1B2UR

Altech

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

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Datasheet

57Factory Stock Available

More Info Available

£13.40

£13.13

£12.55

£12.17

View

Min.: 1
Mult.: 1

2 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 30A,MCB B CHAR 1 PL, 277VAC, UL1077

1B30UR
Altech
1: £21.00
60Factory Stock Available

Mfr. Part No.
1B30UR

Mouser Part No
845-1B30UR

Altech

Circuit Breakers 30A,MCB B CHAR 1 PL, 277VAC, UL1077

Learn More

Datasheet

60Factory Stock Available

More Info Available

£21.00

£17.42

£16.06

£13.31

View

Min.: 1
Mult.: 1

30 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 32A,MCB B CHAR 1 PL, 277VAC, UL1077

1B32UR
Altech
1: £21.00
37Factory Stock Available

Mfr. Part No.
1B32UR

Mouser Part No
845-1B32UR

Altech

Circuit Breakers 32A,MCB B CHAR 1 PL, 277VAC, UL1077

Learn More

Datasheet

37Factory Stock Available

More Info Available

£21.00

£17.42

£16.06

£13.31

View

Min.: 1
Mult.: 1

32 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

1B3UR
Altech
1: £21.00
73Factory Stock Available

Mfr. Part No.
1B3UR

Mouser Part No
845-1B3UR

Altech

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

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Datasheet

73Factory Stock Available

More Info Available

£21.00

£17.42

£16.06

£13.31

View

Min.: 1
Mult.: 1

3 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 40A,MCB B CHAR 1 PL, 277VAC, UL1077

1B40UR
Altech
1: £22.27
17Factory Stock Available

Mfr. Part No.
1B40UR

Mouser Part No
845-1B40UR

Altech

Circuit Breakers 40A,MCB B CHAR 1 PL, 277VAC, UL1077

Learn More

Datasheet

17Factory Stock Available

More Info Available

£22.27

£18.47

£17.04

£14.13

View

Min.: 1
Mult.: 1

40 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

1B4UR
Altech
1: £21.00
3Factory Stock Available

Mfr. Part No.
1B4UR

Mouser Part No
845-1B4UR

Altech

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

Learn More

Datasheet

3Factory Stock Available

More Info Available

£21.00

£17.42

£16.06

£13.31

View

Min.: 1
Mult.: 1

4 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 8A,MCB B CHAR 1 PL, 277VAC, UL1077

1B8UR
Altech
1: £13.40
53Factory Stock Available

Mfr. Part No.
1B8UR

Mouser Part No
845-1B8UR

Altech

Circuit Breakers 8A,MCB B CHAR 1 PL, 277VAC, UL1077

Learn More

Datasheet

53Factory Stock Available

More Info Available

£13.40

£12.74

£12.16

£11.74

View

Min.: 1
Mult.: 1

8 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 0.5A,MCB C CHAR 1 PL, 277VAC, UL1077

1C05UR
Altech
1: £13.40
74Factory Stock Available

Mfr. Part No.
1C05UR

Mouser Part No
845-1C05UR

Altech

Circuit Breakers 0.5A,MCB C CHAR 1 PL, 277VAC, UL1077

Learn More

Datasheet

74Factory Stock Available

More Info Available

£13.40

£12.74

£12.16

£11.74

View

Min.: 1
Mult.: 1

500 mA

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 10A,MCB C CHAR 1 PL, 277VAC, UL1077

1C10UR
Altech
1: £13.40
182Factory Stock Available

Mfr. Part No.
1C10UR

Mouser Part No
845-1C10UR

Altech

Circuit Breakers 10A,MCB C CHAR 1 PL, 277VAC, UL1077

Learn More

Datasheet

182Factory Stock Available

More Info Available

£13.40

£12.83

£12.23

£11.79

View

Min.: 1
Mult.: 1

10 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: £13.40
7Factory Stock Available

Mfr. Part No.
1C15UR

Mouser Part No
845-1C15UR

Altech

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

Learn More

Datasheet

7Factory Stock Available

More Info Available

£13.40

£12.74

£12.16

£11.74

View

Min.: 1
Mult.: 1

15 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 16A,MCB C CHAR 1 PL, 277VAC, UL1077

1C16UR
Altech
1: £13.40
111Factory Stock Available

Mfr. Part No.
1C16UR

Mouser Part No
845-1C16UR

Altech

Circuit Breakers 16A,MCB C CHAR 1 PL, 277VAC, UL1077

Learn More

Datasheet

111Factory Stock Available

More Info Available

£13.40

£13.39

£12.89

£12.53

View

Min.: 1
Mult.: 1

Circuit Breaker

C-Trip

16 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

1C1UR
Altech
1: £13.40
34Factory Stock Available

Mfr. Part No.
1C1UR

Mouser Part No
845-1C1UR

Altech

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

Learn More

Datasheet

34Factory Stock Available

More Info Available

£13.40

£12.83

£12.23

£11.79

View

Min.: 1
Mult.: 1

1 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: £13.40
64Factory Stock Available

Mfr. Part No.
1C20UR

Mouser Part No
845-1C20UR

Altech

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

Learn More

Datasheet

64Factory Stock Available

More Info Available

£13.40

£12.60

£12.11

£11.65

View

Min.: 1
Mult.: 1

20 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 25A,MCB C CHAR 1 PL, 277VAC, UL1077

1C25UR
Altech
1: £13.40
162Factory Stock Available

Mfr. Part No.
1C25UR

Mouser Part No
845-1C25UR

Altech

Circuit Breakers 25A,MCB C CHAR 1 PL, 277VAC, UL1077

Learn More

Datasheet

162Factory Stock Available

More Info Available

£13.40

£12.74

£12.16

£11.74

View

Min.: 1
Mult.: 1

25 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

1C2UR
Altech
1: £21.00
6Factory Stock Available

Mfr. Part No.
1C2UR

Mouser Part No
845-1C2UR

Altech

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

Learn More

Datasheet

6Factory Stock Available

More Info Available

£21.00

£17.42

£16.06

£13.31

View

Min.: 1
Mult.: 1

Circuit Breaker

C-Trip

2 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 30A,MCB C CHAR 1 PL, 277VAC, UL1077

1C30UR
Altech
1: £13.40
14Factory Stock Available

Mfr. Part No.
1C30UR

Mouser Part No
845-1C30UR

Altech

Circuit Breakers 30A,MCB C CHAR 1 PL, 277VAC, UL1077

Learn More

Datasheet

14Factory Stock Available

More Info Available

£13.40

£12.74

£12.16

£11.74

View

Min.: 1
Mult.: 1

30 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 32A,MCB C CHAR 1 PL, 277VAC, UL1077

1C32UR
Altech
1: £13.40
44Factory Stock Available

Mfr. Part No.
1C32UR

Mouser Part No
845-1C32UR

Altech

Circuit Breakers 32A,MCB C CHAR 1 PL, 277VAC, UL1077

Learn More

Datasheet

44Factory Stock Available

More Info Available

£13.40

£12.83

£12.23

£11.79

View

Min.: 1
Mult.: 1

32 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 40A,MCB C CHAR 1 PL, 277VAC, UL1077

1C40UR
Altech
1: £14.21
27Factory Stock Available

Mfr. Part No.
1C40UR

Mouser Part No
845-1C40UR

Altech

Circuit Breakers 40A,MCB C CHAR 1 PL, 277VAC, UL1077

Learn More

Datasheet

27Factory Stock Available

More Info Available

£14.21

£13.51

£12.90

£12.47

£12.09

Min.: 1
Mult.: 1

40 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: £13.40
12Factory Stock Available

Mfr. Part No.
1C4UR

Mouser Part No
845-1C4UR

Altech

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

Learn More

Datasheet

12Factory Stock Available

More Info Available

£13.40

£12.79

£12.27

£11.78

£11.36

Min.: 1
Mult.: 1

4 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

1C50UR
Altech
1: £14.21
35Factory Stock Available

Mfr. Part No.
1C50UR

Mouser Part No
845-1C50UR

Altech

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

Learn More

Datasheet

35Factory Stock Available

More Info Available

£14.21

£13.51

£12.90

£12.47

£12.09

Min.: 1
Mult.: 1

50 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 5A,MCB C CHAR 1 PL, 277VAC, UL1077

1C5UR
Altech
1: £13.40
31Factory Stock Available

Mfr. Part No.
1C5UR

Mouser Part No
845-1C5UR

Altech

Circuit Breakers 5A,MCB C CHAR 1 PL, 277VAC, UL1077

Learn More

Datasheet

31Factory Stock Available

More Info Available

£13.40

£12.36

£12.11

£11.65

View

Min.: 1
Mult.: 1

5 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

1C63UR
Altech
1: £22.27
60Factory Stock Available

Mfr. Part No.
1C63UR

Mouser Part No
845-1C63UR

Altech

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

Learn More

Datasheet

60Factory Stock Available

More Info Available

£22.27

£18.47

£17.04

£14.13

View

Min.: 1
Mult.: 1

63 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 8A,MCB C CHAR 1 PL, 277VAC, UL1077

1C8UR
Altech
1: £21.00
4Factory Stock Available

Mfr. Part No.
1C8UR

Mouser Part No
845-1C8UR

Altech

Circuit Breakers 8A,MCB C CHAR 1 PL, 277VAC, UL1077

Learn More

Datasheet

4Factory Stock Available

More Info Available

£21.00

£17.42

£16.06

£13.31

View

Min.: 1
Mult.: 1

8 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 0.5A,MCB D CHAR 1 PL, 277VAC, UL1077

1D05UR
Altech
1: £21.00
6Factory Stock Available

Mfr. Part No.
1D05UR

Mouser Part No
845-1D05UR

Altech

Circuit Breakers 0.5A,MCB D CHAR 1 PL, 277VAC, UL1077

Learn More

Datasheet

6Factory Stock Available

More Info Available

£21.00

£17.42

£16.06

£13.31

View

Min.: 1
Mult.: 1

500 mA

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

UR Circuit Breakers

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12 A
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30 A
32 A
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