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UM Series Circuit Breakers

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Part #

Circuit Breakers 40A MCB GCHAR 1P+N 277VAC UL508

2G40UM
Altech
1: $76.53
Non-Stocked

Mfr. Part No.
2G40UM

Mouser Part No
845-2G40UM

Altech

Circuit Breakers 40A MCB GCHAR 1P+N 277VAC UL508

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Datasheet

Non-Stocked

$76.53

$63.48

$59.04

$49.20

View

Min.: 1
Mult.: 1

40 A

277 VAC

60 VDC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 50A MCB GCHAR 1P+N 277VAC UL508

2G50UM
Altech
1: $76.53
Non-Stocked

Mfr. Part No.
2G50UM

Mouser Part No
845-2G50UM

Altech

Circuit Breakers 50A MCB GCHAR 1P+N 277VAC UL508

Learn More

Datasheet

Non-Stocked

$76.53

$63.48

$59.04

$49.20

View

Min.: 1
Mult.: 1

50 A

277 VAC

60 VDC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 60A MCB GCHAR 1P+N 277VAC UL508

2G60UM
Altech
1: $54.08
Non-Stocked

Mfr. Part No.
2G60UM

Mouser Part No
845-2G60UM

Altech

Circuit Breakers 60A MCB GCHAR 1P+N 277VAC UL508

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Datasheet

Non-Stocked

$54.08

$53.20

$48.99

$47.42

View

Min.: 1
Mult.: 1

60 A

277 VAC

60 VDC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 8A MCB GCHAR 1P+N 277VAC UL508

2G8UM
Altech
1: $68.57
Non-Stocked

Mfr. Part No.
2G8UM

Mouser Part No
845-2G8UM

Altech

Circuit Breakers 8A MCB GCHAR 1P+N 277VAC UL508

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Datasheet

Non-Stocked

$68.57

$56.89

$52.47

$43.43

View

Min.: 1
Mult.: 1

8 A

277 VAC

80 VDC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers .5A MCB ZCHAR 1P+N 277VAC UL508

2Z05UM
Altech
1: $93.15
Non-Stocked

Mfr. Part No.
2Z05UM

Mouser Part No
845-2Z05UM

Altech

Circuit Breakers .5A MCB ZCHAR 1P+N 277VAC UL508

Learn More

Datasheet

Non-Stocked

$93.15

$93.14

$88.62

$81.86

View

Min.: 1
Mult.: 1

500 mA

277 VAC

80 VDC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers .75A MCB ZCHAR 1P+N 277VAC UL508

2Z075UM
Altech
1: $93.15
Non-Stocked

Mfr. Part No.
2Z075UM

Mouser Part No
845-2Z075UM

Altech

Circuit Breakers .75A MCB ZCHAR 1P+N 277VAC UL508

Learn More

Datasheet

Non-Stocked

$93.15

$93.14

$88.62

$81.86

View

Min.: 1
Mult.: 1

750 mA

277 VAC

80 VDC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 12.5A MCB ZCHAR 1P+N 277VAC UL508

2Z125UM
Altech
1: $89.46
Non-Stocked

Mfr. Part No.
2Z125UM

Mouser Part No
845-2Z125UM

Altech

Circuit Breakers 12.5A MCB ZCHAR 1P+N 277VAC UL508

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Datasheet

Non-Stocked

$89.46

$89.45

$85.11

$78.61

View

Min.: 1
Mult.: 1

12.5 A

277 VAC

80 VDC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 13A MCB ZCHAR 277VAC UL508

2Z13UM
Altech
1: $120.82
Non-Stocked

Mfr. Part No.
2Z13UM

Mouser Part No
845-2Z13UM

Altech

Circuit Breakers 13A MCB ZCHAR 277VAC UL508

Learn More

Datasheet

Non-Stocked

$120.82

$100.18

$92.38

$76.40

$70.53

Min.: 1
Mult.: 1

13 A

277 VAC

80 VDC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 1A MCB ZCHAR 1P+N 277VAC UL508

2Z1UM
Altech
1: $93.15
Non-Stocked

Mfr. Part No.
2Z1UM

Mouser Part No
845-2Z1UM

Altech

Circuit Breakers 1A MCB ZCHAR 1P+N 277VAC UL508

Learn More

Datasheet

Non-Stocked

$93.15

$93.14

$88.62

$81.86

View

Min.: 1
Mult.: 1

1 A

277 VAC

80 VDC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

2Z2UM
Altech
1: $93.15
Non-Stocked

Mfr. Part No.
2Z2UM

Mouser Part No
845-2Z2UM

Altech

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

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Datasheet

Non-Stocked

$93.15

$93.14

$88.62

$81.86

View

Min.: 1
Mult.: 1

2 A

277 VAC

80 VDC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 3.5A MCB ZCHAR 1P+N 277VAC UL508

2Z3.5UM
Altech
1: $93.15
Non-Stocked

Mfr. Part No.
2Z3.5UM

Mouser Part No
845-2Z3.5UM

Altech

Circuit Breakers 3.5A MCB ZCHAR 1P+N 277VAC UL508

Learn More

Datasheet

Non-Stocked

$93.15

$93.14

$88.62

$81.86

View

Min.: 1
Mult.: 1

Circuit Breaker

Z-Trip

3.5 A

277 VAC

80 VDC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 40A Z Characteristic UL 508 2 POLE

2Z40UM
Altech
1: $93.99
Non-Stocked

Mfr. Part No.
2Z40UM

Mouser Part No
845-2Z40UM

Altech

Circuit Breakers 40A Z Characteristic UL 508 2 POLE

Learn More

Datasheet

Product Comments

Non-Stocked

$93.99

$93.73

$88.80

$82.03

View

Min.: 1
Mult.: 1

40 A

277 VAC

60 VDC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 50A Z Characteristic UL 508 2 POLE

2Z50UM
Altech
1: $109.09
Non-Stocked

Mfr. Part No.
2Z50UM

Mouser Part No
845-2Z50UM

Altech

Circuit Breakers 50A Z Characteristic UL 508 2 POLE

Learn More

Datasheet

Product Comments

Non-Stocked

$109.09

$109.08

$103.71

$95.65

View

Min.: 1
Mult.: 1

50 A

277 VAC

80 VDC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 3B1.6UM, 1.6A, CIRCUIT BREAKER

3B1.6UM
Altech
1: $98.32
Non-Stocked

Mfr. Part No.
3B1.6UM

Mouser Part No
845-3B1.6UM

Altech

Circuit Breakers 3B1.6UM, 1.6A, CIRCUIT BREAKER

Learn More

Datasheet

Non-Stocked

$98.32

$82.25

$77.93

$64.94

$60.61

Min.: 1
Mult.: 1

Circuit Breaker

B-Trip

1.6 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 13A MCB B CHARL 480Y/277VAC UL508

3B13UM
Altech
1: $98.32
Non-Stocked

Mfr. Part No.
3B13UM

Mouser Part No
845-3B13UM

Altech

Circuit Breakers 13A MCB B CHARL 480Y/277VAC UL508

Learn More

Datasheet

Non-Stocked

$98.32

$82.25

$77.93

$64.94

$60.61

Min.: 1
Mult.: 1

13 A

277 VAC

60 VDC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 3B1UM, 1A, CIRCUIT BREAKER

3B1UM
Altech
1: $98.32
Non-Stocked

Mfr. Part No.
3B1UM

Mouser Part No
845-3B1UM

Altech

Circuit Breakers 3B1UM, 1A, CIRCUIT BREAKER

Learn More

Datasheet

Non-Stocked

$98.32

$82.25

$77.93

$64.94

$60.61

Min.: 1
Mult.: 1

1 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 3B3.5UM, 3.5A, CIRCUIT BREAKER

3B3.5UM
Altech
1: $98.32
Non-Stocked

Mfr. Part No.
3B3.5UM

Mouser Part No
845-3B35UM

Altech

Circuit Breakers 3B3.5UM, 3.5A, CIRCUIT BREAKER

Learn More

Datasheet

Non-Stocked

$98.32

$82.25

$77.93

$64.94

$60.61

Min.: 1
Mult.: 1

Circuit Breaker

B-Trip

3.5 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 63A CRT BRKR BCHAR 3pl 480Y

3B63UM
Altech
1: $110.72
Non-Stocked

Mfr. Part No.
3B63UM

Mouser Part No
845-3B63UM

Altech

Circuit Breakers 63A CRT BRKR BCHAR 3pl 480Y

Learn More

Datasheet

Non-Stocked

$110.72

$93.47

$88.56

$73.80

$68.88

Min.: 1
Mult.: 1

63 A

277 VAC

80 VDC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 3B8UM, 8A, CIRCUIT BREAKER

3B8UM
Altech
1: $71.38
Non-Stocked

Mfr. Part No.
3B8UM

Mouser Part No
845-3B8UM

Altech

Circuit Breakers 3B8UM, 8A, CIRCUIT BREAKER

Learn More

Datasheet

Non-Stocked

$71.38

$69.47

$64.40

$62.54

View

Min.: 1
Mult.: 1

8 A

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

3C03UM
Altech
1: $98.32
Non-Stocked

Mfr. Part No.
3C03UM

Mouser Part No
845-3C03UM

Altech

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

Learn More

Datasheet

Non-Stocked

$98.32

$82.25

$77.93

$64.94

$60.61

Min.: 1
Mult.: 1

300 mA

277 VAC

80 VDC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 5A MCB CCHAR 3 PL 480Y/277VAC UL508

3C05UM
Altech
1: $98.32
Non-Stocked

Mfr. Part No.
3C05UM

Mouser Part No
845-3C05UM

Altech

Circuit Breakers 5A MCB CCHAR 3 PL 480Y/277VAC UL508

Learn More

Datasheet

Non-Stocked

$98.32

$82.25

$77.93

$64.94

$60.61

Min.: 1
Mult.: 1

500 mA

277 VAC

80 VDC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers .75A MCB CCHARL 480Y/277VAC UL508

3C075UM
Altech
1: $98.32
Non-Stocked

Mfr. Part No.
3C075UM

Mouser Part No
845-3C075UM

Altech

Circuit Breakers .75A MCB CCHARL 480Y/277VAC UL508

Learn More

Datasheet

Non-Stocked

$98.32

$82.25

$77.93

$64.94

$60.61

Min.: 1
Mult.: 1

750 mA

277 VAC

80 VDC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 1.6A MCB CCHARL 480Y/277VAC UL508

3C1.6UM
Altech
1: $98.32
Non-Stocked

Mfr. Part No.
3C1.6UM

Mouser Part No
845-3C1.6UM

Altech

Circuit Breakers 1.6A MCB CCHARL 480Y/277VAC UL508

Learn More

Datasheet

Non-Stocked

$98.32

$82.25

$77.93

$64.94

$60.61

Min.: 1
Mult.: 1

Circuit Breaker

C-Trip

1.6 A

277 VAC

80 VDC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 2.5A MCB CCHAR 3 PL 480Y/277VAC UL508

3C2.5UM
Altech
1: $98.32
Non-Stocked

Mfr. Part No.
3C2.5UM

Mouser Part No
845-3C2.5UM

Altech

Circuit Breakers 2.5A MCB CCHAR 3 PL 480Y/277VAC UL508

Learn More

Datasheet

Non-Stocked

$98.32

$82.25

$77.93

$64.94

$60.61

Min.: 1
Mult.: 1

Circuit Breaker

C-Trip

2.5 A

277 VAC

60 VDC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 3.5A MCB CCHARL 480Y/277VAC UL508

3C3.5UM
Altech
1: $98.32
Non-Stocked

Mfr. Part No.
3C3.5UM

Mouser Part No
845-3C3.5UM

Altech

Circuit Breakers 3.5A MCB CCHARL 480Y/277VAC UL508

Learn More

Datasheet

Non-Stocked

$98.32

$82.25

$77.93

$64.94

$60.61

Min.: 1
Mult.: 1

Circuit Breaker

C-Trip

3.5 A

277 VAC

60 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