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UM Series Circuit Breakers

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Part #

Circuit Breakers 20A MCB DCHAR 1P+N 277VAC UL508

2D20UM
Altech
1: $45.49
22In Stock

Mfr. Part No.
2D20UM

Mouser Part No
845-2D20UM

Altech

Circuit Breakers 20A MCB DCHAR 1P+N 277VAC UL508

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Datasheet

22In Stock

$45.49

$43.72

$42.51

$41.56

View

Min.: 1
Mult.: 1

Circuit Breaker

D-Trip

20 A

277 VAC

80 VDC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 30A MCB DCHAR 1P+N 277VAC UL508

2D30UM
Altech
1: $45.49
10In Stock

Mfr. Part No.
2D30UM

Mouser Part No
845-2D30UM

Altech

Circuit Breakers 30A MCB DCHAR 1P+N 277VAC UL508

Learn More

Datasheet

10In Stock

$45.49

$45.37

$44.63

$43.68

View

Min.: 1
Mult.: 1

30 A

277 VAC

60 VDC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 25A MCB GCHAR 1P+N 277VAC UL508

2G25UM
Altech
1: $65.52
1In Stock

Mfr. Part No.
2G25UM

Mouser Part No
845-2G25UM

Altech

Circuit Breakers 25A MCB GCHAR 1P+N 277VAC UL508

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Datasheet

1In Stock

$65.52

$54.37

$50.13

$41.50

View

Min.: 1
Mult.: 1

25 A

277 VAC

80 VDC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 6A MCB GCHAR 1P+N 277VAC UL508

2G6UM
Altech
1: $63.13
8In Stock

Mfr. Part No.
2G6UM

Mouser Part No
845-2G6UM

Altech

Circuit Breakers 6A MCB GCHAR 1P+N 277VAC UL508

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Datasheet

8In Stock

$63.13

$54.37

$45.14

$42.44

View

Min.: 1
Mult.: 1

Circuit Breaker

G-Trip

6 A

277 VAC

80 VDC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 15A CRT BRKR BCHAR 1pl UL508

1B15UM
Altech
1: $32.62
10In Stock

Mfr. Part No.
1B15UM

Mouser Part No
845-1B15UM

Altech

Circuit Breakers 15A CRT BRKR BCHAR 1pl UL508

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Datasheet

10In Stock

$32.62

$27.27

$26.79

$21.47

View

Min.: 1
Mult.: 1

Circuit Breaker

B-Trip

15 A

277 VAC

42 VDC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 30A CRT BRKR BCHAR 1pl UL508

1B30UM
Altech
1: $32.62
12In Stock

Mfr. Part No.
1B30UM

Mouser Part No
845-1B30UM

Altech

Circuit Breakers 30A CRT BRKR BCHAR 1pl UL508

Learn More

Datasheet

12In Stock

$32.62

$27.27

$26.79

$21.47

View

Min.: 1
Mult.: 1

Circuit Breaker

B-Trip

30 A

277 VAC

24 VDC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers .3A MCB CChar 1pl 277VAC UL508

1C03UM
Altech
1: $35.01
2In Stock

Mfr. Part No.
1C03UM

Mouser Part No
845-1C03UM

Altech

Circuit Breakers .3A MCB CChar 1pl 277VAC UL508

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Datasheet

2In Stock

$35.01

$29.04

$26.79

$22.20

View

Min.: 1
Mult.: 1

300 mA

277 VAC

42 VDC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 10A MCB CCHAR 1pl 277VAC UL508

1C10UM
Altech
1: $22.73
47In Stock
24On Order

Mfr. Part No.
1C10UM

Mouser Part No
845-1C10UM

Altech

Circuit Breakers 10A MCB CCHAR 1pl 277VAC UL508

Learn More

Datasheet

47In Stock

24On Order

$22.73

$21.47

$20.59

$19.93

View

Min.: 1
Mult.: 1

Circuit Breaker

C-Trip

10 A

277 VAC

42 VDC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 3A MCB CCHAR 1pl 277VAC UL508

1C3UM
Altech
1: $29.57
3In Stock

Mfr. Part No.
1C3UM

Mouser Part No
845-1C3UM

Altech

Circuit Breakers 3A MCB CCHAR 1pl 277VAC UL508

Learn More

Datasheet

3In Stock

$29.57

$22.73

$22.59

$22.18

View

Min.: 1
Mult.: 1

Circuit Breaker

C-Trip

3 A

277 VAC

42 VDC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 4A MCB CCHAR 1pl 277VAC UL508

1C4UM
Altech
1: $35.01
8In Stock

Mfr. Part No.
1C4UM

Mouser Part No
845-1C4UM

Altech

Circuit Breakers 4A MCB CCHAR 1pl 277VAC UL508

Learn More

Datasheet

8In Stock

$35.01

$29.04

$26.79

$22.20

View

Min.: 1
Mult.: 1

Circuit Breaker

C-Trip

4 A

277 VAC

42 VDC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 6A MCB CCHAR 1pl 277VAC UL508

1C6UM
Altech
1: $38.37
14In Stock

Mfr. Part No.
1C6UM

Mouser Part No
845-1C6UM

Altech

Circuit Breakers 6A MCB CCHAR 1pl 277VAC UL508

Learn More

Datasheet

14In Stock

$38.37

$34.78

$27.27

$22.73

View

Min.: 1
Mult.: 1

Circuit Breaker

C-Trip

6 A

277 VAC

42 VDC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 10A D Characteristic UL 508 1 POLE

1D10UM
Altech
1: $22.73
32In Stock
14On Order

Mfr. Part No.
1D10UM

Mouser Part No
845-1D10UM

Altech

Circuit Breakers 10A D Characteristic UL 508 1 POLE

Learn More

Datasheet

32In Stock

14On Order

$22.73

$21.59

$20.39

$19.72

View

Min.: 1
Mult.: 1

Circuit Breaker

D-Trip

10 A

277 VAC

42 VDC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 30A D Characteristic UL 508 1 POLE

1D30UM
Altech
1: $35.01
3In Stock

Mfr. Part No.
1D30UM

Mouser Part No
845-1D30UM

Altech

Circuit Breakers 30A D Characteristic UL 508 1 POLE

Learn More

Datasheet

3In Stock

$35.01

$29.04

$26.79

$22.20

View

Min.: 1
Mult.: 1

Circuit Breaker

D-Trip

30 A

277 VAC

24 VDC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 40A D Characteristic UL 508 1 POLE

1D40UM
Altech
1: $39.10
11In Stock

Mfr. Part No.
1D40UM

Mouser Part No
845-1D40UM

Altech

Circuit Breakers 40A D Characteristic UL 508 1 POLE

Learn More

Datasheet

11In Stock

More Info Available

$39.10

$32.43

$29.92

$25.08

View

Min.: 1
Mult.: 1

40 A

277 VAC

24 VDC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 5A D Characteristic UL 508 1 POLE

1D5UM
Altech
1: $22.73
9In Stock

Mfr. Part No.
1D5UM

Mouser Part No
845-1D5UM

Altech

Circuit Breakers 5A D Characteristic UL 508 1 POLE

Learn More

Datasheet

9In Stock

$22.73

$22.42

$20.87

$19.90

View

Min.: 1
Mult.: 1

Circuit Breaker

D-Trip

5 A

277 VAC

42 VDC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 4A CRT BRKR ECHAR 277VAC UL508

1E4UM
Altech
1: $32.62
6In Stock

Mfr. Part No.
1E4UM

Mouser Part No
845-1E4UM

Altech

Circuit Breakers 4A CRT BRKR ECHAR 277VAC UL508

Learn More

Datasheet

6In Stock

$32.62

$27.27

$22.73

$21.47

View

Min.: 1
Mult.: 1

Circuit Breaker

E-Trip

4 A

277 VAC

42 VDC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 50A CRT BKR ECHAR 277VAC UL508

1E50UM
Altech
1: $36.71
10In Stock

Mfr. Part No.
1E50UM

Mouser Part No
845-1E50UM

Altech

Circuit Breakers 50A CRT BKR ECHAR 277VAC UL508

Learn More

Datasheet

10In Stock

$36.71

$31.02

$29.92

$24.41

View

Min.: 1
Mult.: 1

Circuit Breaker

E-Trip

50 A

277 VAC

24 VDC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 16A G Characteristic UL 508 1 POLE

1G16UM
Altech
1: $35.01
10In Stock

Mfr. Part No.
1G16UM

Mouser Part No
845-1G16UM

Altech

Circuit Breakers 16A G Characteristic UL 508 1 POLE

Learn More

Datasheet

10In Stock

$35.01

$29.04

$26.79

$22.20

View

Min.: 1
Mult.: 1

16 A

277 VAC

42 VDC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 13A Z Characteristic UL 508 1 POLE

1Z13UM
Altech
1: $56.23
11In Stock

Mfr. Part No.
1Z13UM

Mouser Part No
845-1Z13UM

Altech

Circuit Breakers 13A Z Characteristic UL 508 1 POLE

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Datasheet

11In Stock

$56.23

$48.63

$44.87

$37.10

View

Min.: 1
Mult.: 1

Circuit Breaker

Z-Trip

13 A

277 VAC

42 VDC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 10A MCB CCHAR 1P+N 277VAC UL508

2C10UM
Altech
1: $65.52
3In Stock

Mfr. Part No.
2C10UM

Mouser Part No
845-2C10UM

Altech

Circuit Breakers 10A MCB CCHAR 1P+N 277VAC UL508

Learn More

Datasheet

3In Stock

$65.52

$54.37

$50.13

$41.50

View

Min.: 1
Mult.: 1

Circuit Breaker

C-Trip

10 A

277 VAC

80 VDC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 25A MCB CCHAR 1P+N 277VAC UL508

2C25UM
Altech
1: $65.52
4In Stock

Mfr. Part No.
2C25UM

Mouser Part No
845-2C25UM

Altech

Circuit Breakers 25A MCB CCHAR 1P+N 277VAC UL508

Learn More

Datasheet

4In Stock

$65.52

$54.37

$50.13

$41.50

View

Min.: 1
Mult.: 1

25 A

277 VAC

80 VDC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 2A MCB DCHAR 1P+N 277VAC UL508

2D2UM
Altech
1: $45.49
5In Stock

Mfr. Part No.
2D2UM

Mouser Part No
845-2D2UM

Altech

Circuit Breakers 2A MCB DCHAR 1P+N 277VAC UL508

Learn More

Datasheet

5In Stock

$45.49

$45.48

$43.98

$40.33

View

Min.: 1
Mult.: 1

2 A

277 VAC

80 VDC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 2.5A MCB GCHAR 1P+N 277VAC UL508

2G2.5UM
Altech
1: $65.52
28In Stock

Mfr. Part No.
2G2.5UM

Mouser Part No
845-2G2.5UM

Altech

Circuit Breakers 2.5A MCB GCHAR 1P+N 277VAC UL508

Learn More

Datasheet

28In Stock

$65.52

$54.37

$50.13

$41.50

View

Min.: 1
Mult.: 1

Circuit Breaker

G-Trip

2.5 A

277 VAC

80 VDC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 1A MCB CCHAR 3 PL 480Y/277VAC UL508

3C1UM
Altech
1: $76.75
1In Stock

Mfr. Part No.
3C1UM

Mouser Part No
845-3C1UM

Altech

Circuit Breakers 1A MCB CCHAR 3 PL 480Y/277VAC UL508

Learn More

Datasheet

1In Stock

$76.75

$67.76

$55.49

$53.26

Min.: 1
Mult.: 1

Circuit Breaker

C-Trip

1 A

277 VAC

80 VDC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 2A D Characteristic UL 508 3 POLE

3D2UM
Altech
1: $93.96
2In Stock

Mfr. Part No.
3D2UM

Mouser Part No
845-3D2UM

Altech

Circuit Breakers 2A D Characteristic UL 508 3 POLE

Learn More

Datasheet

2In Stock

$93.96

$78.60

$74.47

$62.06

$57.91

Min.: 1
Mult.: 1

Circuit Breaker

D-Trip

2 A

277 VAC

80 VDC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

UM Series Circuit Breakers

Customer Service Office

Company

Resources

Support

300 mA
500 mA
750 mA
800 mA
1 A
1.6 A
2 A
2.5 A
3 A
3.5 A
4 A
5 A
6 A
8 A
10 A
12 A
12.5 A
13 A
15 A
16 A