Circuit Breakers – Mouser Puerto Rico

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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 30A,MCB D CHAR 1 PL, 277VAC, UL1077

1D30UR
Altech
1: $17.85
1Factory Stock Available

Mfr. Part #
1D30UR

Mouser Part #
845-1D30UR

Altech

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

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Datasheet

1Factory Stock Available

More Info Available

$17.85

$17.77

$17.07

$16.55

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Min.: 1
Mult.: 1

30 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

1D32UR
Altech
1: $27.96
22Factory Stock Available

Mfr. Part #
1D32UR

Mouser Part #
845-1D32UR

Altech

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

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Datasheet

22Factory Stock Available

More Info Available

$27.96

$23.20

$21.40

$17.73

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Min.: 1
Mult.: 1

32 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

1D3UR
Altech
1: $27.96
207Factory Stock Available

Mfr. Part #
1D3UR

Mouser Part #
845-1D3UR

Altech

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

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Datasheet

207Factory Stock Available

More Info Available

$27.96

$23.20

$21.40

$17.73

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Min.: 1
Mult.: 1

3 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

1D40UR
Altech
1: $29.66
16Factory Stock Available

Mfr. Part #
1D40UR

Mouser Part #
845-1D40UR

Altech

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

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Datasheet

16Factory Stock Available

More Info Available

$29.66

$24.61

$22.70

$18.81

View

Min.: 1
Mult.: 1

40 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

1D5UR
Altech
1: $17.85
30Factory Stock Available

Mfr. Part #
1D5UR

Mouser Part #
845-1D5UR

Altech

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

Learn More

Datasheet

30Factory Stock Available

More Info Available

$17.85

$17.50

$16.84

$16.37

View

Min.: 1
Mult.: 1

5 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 1D7UR, 7A, MCB, D CHAR

1D7UR
Altech
1: $17.85
36Factory Stock Available

Mfr. Part #
1D7UR

Mouser Part #
845-1D7UR

Altech

Circuit Breakers 1D7UR, 7A, MCB, D CHAR

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36Factory Stock Available

More Info Available

$17.85

$17.84

$16.94

$16.36

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Min.: 1
Mult.: 1

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

2B05UR
Altech
1: $52.62
15Factory Stock Available

Mfr. Part #
2B05UR

Mouser Part #
845-2B05UR

Altech

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

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Datasheet

15Factory Stock Available

More Info Available

$52.62

$43.65

$40.27

$34.64

View

Min.: 1
Mult.: 1

500 mA

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 10A,MCB B CHAR 2PL 480Y/277VAC, UL1077

2B10UR
Altech
1: $52.62
5Factory Stock Available

Mfr. Part #
2B10UR

Mouser Part #
845-2B10UR

Altech

Circuit Breakers 10A,MCB B CHAR 2PL 480Y/277VAC, UL1077

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Datasheet

5Factory Stock Available

More Info Available

$52.62

$43.65

$40.27

$34.64

View

Min.: 1
Mult.: 1

10 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 15A,MCB B CHAR 2PL 480Y/277VAC, UL1077

2B15UR
Altech
1: $52.62
1Factory Stock Available

Mfr. Part #
2B15UR

Mouser Part #
845-2B15UR

Altech

Circuit Breakers 15A,MCB B CHAR 2PL 480Y/277VAC, UL1077

Learn More

Datasheet

1Factory Stock Available

More Info Available

$52.62

$43.65

$40.27

$34.64

View

Min.: 1
Mult.: 1

15 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 16A,MCB B CHAR 2PL 480Y/277VAC, UL1077

2B16UR
Altech
1: $52.62
16Factory Stock Available

Mfr. Part #
2B16UR

Mouser Part #
845-2B16UR

Altech

Circuit Breakers 16A,MCB B CHAR 2PL 480Y/277VAC, UL1077

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Datasheet

16Factory Stock Available

More Info Available

$52.62

$43.65

$40.27

$34.64

View

Min.: 1
Mult.: 1

16 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 20A,MCB B CHAR 2PL 480Y/277VAC, UL1077

2B20UR
Altech
1: $52.62
11Factory Stock Available

Mfr. Part #
2B20UR

Mouser Part #
845-2B20UR

Altech

Circuit Breakers 20A,MCB B CHAR 2PL 480Y/277VAC, UL1077

Learn More

Datasheet

11Factory Stock Available

More Info Available

$52.62

$43.65

$40.27

$34.64

View

Min.: 1
Mult.: 1

20 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 25A,MCB B CHAR 2PL 480Y/277VAC, UL1077

2B25UR
Altech
1: $52.62
22Factory Stock Available

Mfr. Part #
2B25UR

Mouser Part #
845-2B25UR

Altech

Circuit Breakers 25A,MCB B CHAR 2PL 480Y/277VAC, UL1077

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Datasheet

22Factory Stock Available

More Info Available

$52.62

$43.65

$40.27

$34.64

View

Min.: 1
Mult.: 1

25 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

2B2UR
Altech
1: $52.62
6Factory Stock Available

Mfr. Part #
2B2UR

Mouser Part #
845-2B2UR

Altech

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

Learn More

Datasheet

6Factory Stock Available

More Info Available

$52.62

$43.65

$40.27

$34.64

View

Min.: 1
Mult.: 1

3 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

2B30UR
Altech
1: $52.62
3Factory Stock Available

Mfr. Part #
2B30UR

Mouser Part #
845-2B30UR

Altech

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

Learn More

Datasheet

3Factory Stock Available

More Info Available

$52.62

$43.65

$40.27

$34.64

View

Min.: 1
Mult.: 1

Circuit Breakers

B-Trip

30 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 3A 2PL B-trip 480Y/277VAC UL1077

2B3UR
Altech
1: $52.62
25Factory Stock Available

Mfr. Part #
2B3UR

Mouser Part #
845-2B3UR

Altech

Circuit Breakers 3A 2PL B-trip 480Y/277VAC UL1077

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Datasheet

25Factory Stock Available

More Info Available

$52.62

$43.65

$40.27

$34.64

View

Min.: 1
Mult.: 1

Supplementary Protector

3 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

2B40UR
Altech
1: $55.76
21Factory Stock Available

Mfr. Part #
2B40UR

Mouser Part #
845-2B40UR

Altech

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

Learn More

Datasheet

21Factory Stock Available

More Info Available

$55.76

$46.26

$42.67

$36.71

View

Min.: 1
Mult.: 1

40 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 4A,MCB B CHAR 2PL 480Y/277VAC, UL1077

2B4UR
Altech
1: $52.62
22Factory Stock Available

Mfr. Part #
2B4UR

Mouser Part #
845-2B4UR

Altech

Circuit Breakers 4A,MCB B CHAR 2PL 480Y/277VAC, UL1077

Learn More

Datasheet

22Factory Stock Available

More Info Available

$52.62

$43.65

$40.27

$34.64

View

Min.: 1
Mult.: 1

4 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

2B50UR
Altech
1: $55.76
11Factory Stock Available

Mfr. Part #
2B50UR

Mouser Part #
845-2B50UR

Altech

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

Learn More

Datasheet

11Factory Stock Available

More Info Available

$55.76

$46.26

$42.67

$36.71

View

Min.: 1
Mult.: 1

50 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

2B5UR
Altech
1: $52.62
8Factory Stock Available

Mfr. Part #
2B5UR

Mouser Part #
845-2B5UR

Altech

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

Learn More

Datasheet

8Factory Stock Available

More Info Available

$52.62

$43.65

$40.27

$34.64

View

Min.: 1
Mult.: 1

5 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 60A,MCB B CHAR 2PL 480Y/277VAC, UL1077

2B60UR
Altech
1: $55.76
2Factory Stock Available

Mfr. Part #
2B60UR

Mouser Part #
845-2B60UR

Altech

Circuit Breakers 60A,MCB B CHAR 2PL 480Y/277VAC, UL1077

Learn More

Datasheet

2Factory Stock Available

More Info Available

$55.76

$46.26

$42.67

$36.71

View

Min.: 1
Mult.: 1

60 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

2B6UR
Altech
1: $52.62
128Factory Stock Available

Mfr. Part #
2B6UR

Mouser Part #
845-2B6UR

Altech

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

Learn More

Datasheet

128Factory Stock Available

More Info Available

$52.62

$43.65

$40.27

$34.64

View

Min.: 1
Mult.: 1

6 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

2B8UR
Altech
1: $52.62
44Factory Stock Available

Mfr. Part #
2B8UR

Mouser Part #
845-2B8UR

Altech

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

Learn More

Datasheet

44Factory Stock Available

More Info Available

$52.62

$43.65

$40.27

$34.64

View

Min.: 1
Mult.: 1

8 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 10A,MCB C CHAR 2PL 480Y/277VAC, UL1077

2C10UR
Altech
1: $35.70
25Factory Stock Available

Mfr. Part #
2C10UR

Mouser Part #
845-2C10UR

Altech

Circuit Breakers 10A,MCB C CHAR 2PL 480Y/277VAC, UL1077

Learn More

Datasheet

25Factory Stock Available

More Info Available

$35.70

$35.69

$34.76

$34.07

View

Min.: 1
Mult.: 1

Circuit Breakers

C-Trip

10 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

2C12UR
Altech
1: $52.62
21Factory Stock Available

Mfr. Part #
2C12UR

Mouser Part #
845-2C12UR

Altech

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

Learn More

Datasheet

21Factory Stock Available

More Info Available

$52.62

$43.65

$40.27

$34.64

View

Min.: 1
Mult.: 1

12 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 15A,MCB C CHAR 2PL 480Y/277VAC, UL1077

2C15UR
Altech
1: $52.62
9Factory Stock Available

Mfr. Part #
2C15UR

Mouser Part #
845-2C15UR

Altech

Circuit Breakers 15A,MCB C CHAR 2PL 480Y/277VAC, UL1077

Learn More

Datasheet

9Factory Stock Available

More Info Available

$52.62

$43.65

$40.27

$34.64

View

Min.: 1
Mult.: 1

15 A

277 VAC

2 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