Circuit Breakers – Mouser South Africa

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UM (V-EA) Circuit Breakers

Altech UM (V-EA) Circuit Breakers are UL 508-listed manual motor controllers that are suitable as motor disconnects. These DIN-rail-mounted circuit breakers are thermal magnetic and have a width of 17.5mm per pole. The series features a 0.3A to 60A current rating, 277V_AC voltage rating, and 10kA short circuit withstand capacity. Altech UM (V-EA) Circuit Breakers are ideal for use in AC motor starting, AC general use, AC resistance, AC discharge lamp, and AC incandescent lamp applications.

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Part #

Circuit Breakers 20A CRT BRKR ECHAR 277VAC UL508

3E20UM
Altech
1: $95.84
4In Stock

Mfr. Part No.
3E20UM

Mouser Part No
845-3E20UM

Altech

Circuit Breakers 20A CRT BRKR ECHAR 277VAC UL508

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Datasheet

4In Stock

$95.84

$71.40

$69.48

$64.41

View

Min.: 1
Mult.: 1

Circuit Breaker

E-Trip

20 A

277 VAC

80 VDC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 4A MCB CCHAR 3 PL 480Y/277VAC UL508

3C4UM
Altech
1: $98.34
10Expected 2026/06/22

Mfr. Part No.
3C4UM

Mouser Part No
845-3C4UM

Altech

Circuit Breakers 4A MCB CCHAR 3 PL 480Y/277VAC UL508

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Datasheet

10Expected 2026/06/22

$98.34

$82.27

$77.94

$64.95

$60.62

Min.: 1
Mult.: 1

4 A

277 VAC

80 VDC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 5A MCB CCHAR 1pl 277VAC UL508

1C5UM
Altech
1: $31.55
17Expected 2026/05/22

Mfr. Part No.
1C5UM

Mouser Part No
845-1C5UM

Altech

Circuit Breakers 5A MCB CCHAR 1pl 277VAC UL508

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Datasheet

17Expected 2026/05/22

$31.55

$28.54

$23.79

$23.66

View

Min.: 1
Mult.: 1

Circuit Breaker

C-Trip

5 A

277 VAC

42 VDC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 15A D Characteristic UL 508 1 POLE

1D15UM
Altech
1: $23.79
5Expected 2026/06/19

Mfr. Part No.
1D15UM

Mouser Part No
845-1D15UM

Altech

Circuit Breakers 15A D Characteristic UL 508 1 POLE

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Datasheet

5Expected 2026/06/19

$23.79

$21.62

$20.61

$19.93

View

Min.: 1
Mult.: 1

Circuit Breaker

D-Trip

15 A

277 VAC

42 VDC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 5A D Characteristic UL 508 1 POLE

1D5UM
Altech
1: $23.79
9On Order

Mfr. Part No.
1D5UM

Mouser Part No
845-1D5UM

Altech

Circuit Breakers 5A D Characteristic UL 508 1 POLE

Learn More

Datasheet

9On Order

$23.79

$23.23

$21.62

$20.61

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 16A MCB DCHAR 1P+N 277VAC UL508

2D16UM
Altech
1: $47.61
25Expected 2026/06/29

Mfr. Part No.
2D16UM

Mouser Part No
845-2D16UM

Altech

Circuit Breakers 16A MCB DCHAR 1P+N 277VAC UL508

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Datasheet

25Expected 2026/06/29

$47.61

$46.89

$43.16

$41.66

View

Min.: 1
Mult.: 1

16 A

277 VAC

80 VDC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

2D20UM
Altech
1: $68.58
32On Order

Mfr. Part No.
2D20UM

Mouser Part No
845-2D20UM

Altech

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

Learn More

Datasheet

32On Order

$68.58

$56.91

$52.47

$43.44

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 6A MCB CCHARL 480Y/277VAC UL508

3C6UM
Altech
1: $98.34
1Expected 2026/06/01

Mfr. Part No.
3C6UM

Mouser Part No
845-3C6UM

Altech

Circuit Breakers 6A MCB CCHARL 480Y/277VAC UL508

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Datasheet

1Expected 2026/06/01

$98.34

$82.27

$77.94

$64.95

$60.62

Min.: 1
Mult.: 1

6 A

277 VAC

80 VDC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 15A D Characteristic UL 508 3 POLE

3D15UM
Altech
1: $71.40
5Expected 2026/07/07

Mfr. Part No.
3D15UM

Mouser Part No
845-3D15UM

Altech

Circuit Breakers 15A D Characteristic UL 508 3 POLE

Learn More

Datasheet

5Expected 2026/07/07

$71.40

$70.30

$67.21

$66.00

View

Min.: 1
Mult.: 1

15 A

277 VAC

60 VDC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 25A D Characteristic UL 508 1 POLE

1D25UM
Altech
1: $36.65
4Factory Stock Available

Mfr. Part No.
1D25UM

Mouser Part No
845-1D25UM

Altech

Circuit Breakers 25A D Characteristic UL 508 1 POLE

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Datasheet

4Factory Stock Available

More Info Available

$36.65

$30.40

$28.04

$23.24

View

Min.: 1
Mult.: 1

25 A

277 VAC

42 VDC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 50A D Characteristic UL 508 1 POLE

1D50UM
Altech
1: $40.93
55Factory Stock Available

Mfr. Part No.
1D50UM

Mouser Part No
845-1D50UM

Altech

Circuit Breakers 50A D Characteristic UL 508 1 POLE

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Datasheet

55Factory Stock Available

More Info Available

$40.93

$33.95

$31.32

$26.25

View

Min.: 1
Mult.: 1

50 A

277 VAC

24 VDC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 6A D Characteristic UL 508 1 POLE

1D6UM
Altech
1: $36.65
5Factory Stock Available

Mfr. Part No.
1D6UM

Mouser Part No
845-1D6UM

Altech

Circuit Breakers 6A D Characteristic UL 508 1 POLE

Learn More

Datasheet

5Factory Stock Available

More Info Available

$36.65

$30.40

$28.04

$23.24

View

Min.: 1
Mult.: 1

6 A

277 VAC

42 VDC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 15A CRT BKR ECHAR 277VAC UL508

1E15UM
Altech
1: $23.79
39Factory Stock Available

Mfr. Part No.
1E15UM

Mouser Part No
845-1E15UM

Altech

Circuit Breakers 15A CRT BKR ECHAR 277VAC UL508

Learn More

Datasheet

39Factory Stock Available

More Info Available

$23.79

$22.47

$21.55

$20.86

View

Min.: 1
Mult.: 1

Circuit Breaker

E-Trip

15 A

277 VAC

42 VDC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 5A CRT BRKR ECHAR 277VAC UL508

1E5UM
Altech
1: $23.79
3Factory Stock Available

Mfr. Part No.
1E5UM

Mouser Part No
845-1E5UM

Altech

Circuit Breakers 5A CRT BRKR ECHAR 277VAC UL508

Learn More

Datasheet

3Factory Stock Available

More Info Available

$23.79

$22.47

$21.55

$20.86

View

Min.: 1
Mult.: 1

5 A

277 VAC

42 VDC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 5A G Characteristic UL 508 1 POLE

1G5UM
Altech
1: $23.79
146Factory Stock Available

Mfr. Part No.
1G5UM

Mouser Part No
845-1G5UM

Altech

Circuit Breakers 5A G Characteristic UL 508 1 POLE

Learn More

Datasheet

146Factory Stock Available

More Info Available

$23.79

$23.33

$22.00

$19.93

View

Min.: 1
Mult.: 1

5 A

277 VAC

42 VDC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 15A MCB DCHAR 1P+N 277VAC UL508

2D15UM
Altech
1: $47.61
24Factory Stock Available

Mfr. Part No.
2D15UM

Mouser Part No
845-2D15UM

Altech

Circuit Breakers 15A MCB DCHAR 1P+N 277VAC UL508

Learn More

Datasheet

24Factory Stock Available

More Info Available

$47.61

$46.61

$43.61

$42.50

View

Min.: 1
Mult.: 1

15 A

277 VAC

80 VDC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

2D40UM
Altech
1: $76.55
20Factory Stock Available

Mfr. Part No.
2D40UM

Mouser Part No
845-2D40UM

Altech

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

Learn More

Datasheet

20Factory Stock Available

More Info Available

$76.55

$63.49

$59.05

$49.21

View

Min.: 1
Mult.: 1

40 A

277 VAC

60 VDC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 1A CRT BRKR ECHAR 277VAC UL508

2E1UM
Altech
1: $68.58
10Factory Stock Available

Mfr. Part No.
2E1UM

Mouser Part No
845-2E1UM

Altech

Circuit Breakers 1A CRT BRKR ECHAR 277VAC UL508

Learn More

Datasheet

10Factory Stock Available

More Info Available

$68.58

$56.91

$52.47

$43.44

View

Min.: 1
Mult.: 1

1 A

277 VAC

80 VDC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers CRT BRKR ECHAR 277VAC UL508

2E2UM
Altech
1: $68.58
5Factory Stock Available

Mfr. Part No.
2E2UM

Mouser Part No
845-2E2UM

Altech

Circuit Breakers CRT BRKR ECHAR 277VAC UL508

Learn More

Datasheet

5Factory Stock Available

More Info Available

$68.58

$56.91

$52.47

$43.44

View

Min.: 1
Mult.: 1

2 A

277 VAC

80 VDC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 12A MCB GCHAR 1P+N 277VAC UL508

2G12UM
Altech
1: $68.58
7Factory Stock Available

Mfr. Part No.
2G12UM

Mouser Part No
845-2G12UM

Altech

Circuit Breakers 12A MCB GCHAR 1P+N 277VAC UL508

Learn More

Datasheet

7Factory Stock Available

More Info Available

$68.58

$56.91

$52.47

$43.44

View

Min.: 1
Mult.: 1

12 A

277 VAC

80 VDC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 13A MCB GCHAR 277VAC UL508

2G13UM
Altech
1: $68.58
12Factory Stock Available

Mfr. Part No.
2G13UM

Mouser Part No
845-2G13UM

Altech

Circuit Breakers 13A MCB GCHAR 277VAC UL508

Learn More

Datasheet

12Factory Stock Available

More Info Available

$68.58

$56.91

$52.47

$43.44

View

Min.: 1
Mult.: 1

13 A

277 VAC

80 VDC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 15A MCB GCHAR 1P+N 277VAC UL508

2G15UM
Altech
1: $47.61
19Factory Stock Available

Mfr. Part No.
2G15UM

Mouser Part No
845-2G15UM

Altech

Circuit Breakers 15A MCB GCHAR 1P+N 277VAC UL508

Learn More

Datasheet

19Factory Stock Available

More Info Available

$47.61

$47.60

$46.49

$45.50

View

Min.: 1
Mult.: 1

15 A

277 VAC

80 VDC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 16A MCB GCHAR 1P+N 277VAC UL508

2G16UM
Altech
1: $47.61
200Factory Stock Available

Mfr. Part No.
2G16UM

Mouser Part No
845-2G16UM

Altech

Circuit Breakers 16A MCB GCHAR 1P+N 277VAC UL508

Learn More

Datasheet

200Factory Stock Available

More Info Available

$47.61

$45.04

$43.18

$41.57

View

Min.: 1
Mult.: 1

16 A

277 VAC

80 VDC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

2G20UM
Altech
1: $47.61
37Factory Stock Available

Mfr. Part No.
2G20UM

Mouser Part No
845-2G20UM

Altech

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

Learn More

Datasheet

37Factory Stock Available

More Info Available

$47.61

$46.61

$43.61

$42.50

View

Min.: 1
Mult.: 1

20 A

277 VAC

80 VDC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

2G30UM
Altech
1: $68.58
6Factory Stock Available

Mfr. Part No.
2G30UM

Mouser Part No
845-2G30UM

Altech

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

Learn More

Datasheet

6Factory Stock Available

More Info Available

$68.58

$56.91

$52.47

$43.44

View

Min.: 1
Mult.: 1

30 A

277 VAC

60 VDC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

UM (V-EA) Circuit Breakers

Customer Service Office

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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