.hide-partial { max-height: none; } .show-more { display: none; }

Circuit Breakers

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 1.160

Applied Filters:

Brand = Multiple Values

Series

Product

Type

Current Rating

Voltage Rating AC

Voltage Rating DC

Number of Poles

Actuator

Minimum Operating Temperature

Maximum Operating Temperature

Illuminated

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

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

3C6UM
Altech
1: 82,41 €
1In Stock

Mfr. Part No.
3C6UM

Mouser Part No
845-3C6UM

Altech

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

Learn More

Datasheet

1In Stock

82,41 €

61,39 €

61,00 €

57,04 €

View

Min.: 1
Mult.: 1

6 A

277 VAC

80 VDC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 8A, C CHAR, 3POLE 480Y/277VAC,UL489

3C8UL
Altech
1: 113,27 €
11In Stock

Mfr. Part No.
3C8UL

Mouser Part No
845-3C8UL

Altech

Circuit Breakers 8A, C CHAR, 3POLE 480Y/277VAC,UL489

Learn More

Datasheet

11In Stock

113,27 €

95,70 €

89,17 €

79,13 €

View

Min.: 1
Mult.: 1

8 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 15A, D CHAR, 3POLE 480Y/277VAC,UL489

3D15UL
Altech
1: 86,50 €
1In Stock
5Expected 2/2/2027

Mfr. Part No.
3D15UL

Mouser Part No
845-3D15UL

Altech

Circuit Breakers 15A, D CHAR, 3POLE 480Y/277VAC,UL489

Learn More

Datasheet

1In Stock

5Expected 2/2/2027

86,50 €

83,84 €

78,29 €

76,51 €

View

Min.: 1
Mult.: 1

Circuit Breakers

D-Trip

15 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 15A D Characteristic UL 508 3 POLE

3D15UM
Altech
1: 61,39 €
5In Stock

Mfr. Part No.
3D15UM

Mouser Part No
845-3D15UM

Altech

Circuit Breakers 15A D Characteristic UL 508 3 POLE

Learn More

Datasheet

5In Stock

61,39 €

59,88 €

56,25 €

54,82 €

View

Min.: 1
Mult.: 1

15 A

277 VAC

60 VDC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 3D1UM, 1A,CIRCUIT BREAKER

3D1UM
Altech
1: 82,41 €
7In Stock

Mfr. Part No.
3D1UM

Mouser Part No
845-3D1UM

Altech

Circuit Breakers 3D1UM, 1A,CIRCUIT BREAKER

Learn More

Datasheet

7In Stock

82,41 €

70,73 €

61,39 €

57,95 €

View

Min.: 1
Mult.: 1

Circuit Breakers

D-Trip

1 A

277 VAC

80 VDC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 30A D Characteristic UL 508 3 POLE

3D30UM
Altech
1: 73,66 €
7In Stock

Mfr. Part No.
3D30UM

Mouser Part No
845-3D30UM

Altech

Circuit Breakers 30A D Characteristic UL 508 3 POLE

Learn More

Datasheet

7In Stock

73,66 €

66,12 €

61,39 €

56,95 €

View

Min.: 1
Mult.: 1

30 A

277 VAC

80 VDC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 3A, D CHAR, 3POLE 480Y/277VAC,UL489

3D3UL
Altech
1: 113,27 €
1In Stock

Mfr. Part No.
3D3UL

Mouser Part No
845-3D3UL

Altech

Circuit Breakers 3A, D CHAR, 3POLE 480Y/277VAC,UL489

Learn More

Datasheet

1In Stock

113,27 €

86,50 €

84,89 €

79,13 €

View

Min.: 1
Mult.: 1

3 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 5A CRT BRKR ECHAR 277VAC UL508

3E5UM
Altech
1: 82,41 €
2In Stock

Mfr. Part No.
3E5UM

Mouser Part No
845-3E5UM

Altech

Circuit Breakers 5A CRT BRKR ECHAR 277VAC UL508

Learn More

Datasheet

2In Stock

82,41 €

61,39 €

61,00 €

57,04 €

View

Min.: 1
Mult.: 1

5 A

277 VAC

80 VDC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers MA10UM, 6.3-10A, 3p

MA10UM
Altech
1: 154,81 €
2In Stock

Mfr. Part No.
MA10UM

Mouser Part No
845-MA10UM

Altech

Circuit Breakers MA10UM, 6.3-10A, 3p

Learn More

Datasheet

2In Stock

154,81 €

117,62 €

111,41 €

103,06 €

View

Min.: 1
Mult.: 1

Circuit Breakers

Adjustable Trip

10 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers N32UL, Neutral Pole, UL489

N32UL
Altech
1: 50,66 €
1In Stock

Mfr. Part No.
N32UL

Mouser Part No
845-N32UL

Altech

Circuit Breakers N32UL, Neutral Pole, UL489

Learn More

Datasheet

1In Stock

50,66 €

42,02 €

38,76 €

33,34 €

View

Min.: 1
Mult.: 1

32 A

277 VAC

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers factory currently not accepting orders

1C4DL
Altech
1: 48,43 €
3In Stock
Verify Status with Factory

Mfr. Part No.
1C4DL

Mouser Part No
845-1C4DL

Verify Status with Factory

Altech

Circuit Breakers factory currently not accepting orders

Learn More

Datasheet

3In Stock

48,43 €

30,70 €

29,80 €

28,90 €

View

Min.: 1
Mult.: 1

4 A

125 VDC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers factory currently not accepting orders

1D1.6DL
Altech
1: 43,10 €
13In Stock
Verify Status with Factory

Mfr. Part No.
1D1.6DL

Mouser Part No
845-1D1.6DL

Verify Status with Factory

Altech

Circuit Breakers factory currently not accepting orders

Learn More

Datasheet

13In Stock

43,10 €

36,84 €

34,62 €

30,04 €

View

Min.: 1
Mult.: 1

Circuit Breakers

D-Trip

1.6 A

125 VDC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers factory currently not accepting orders

2C63DL
Altech
1: 65,12 €
4In Stock
Verify Status with Factory

Mfr. Part No.
2C63DL

Mouser Part No
845-2C63DL

Verify Status with Factory

Altech

Circuit Breakers factory currently not accepting orders

Learn More

Datasheet

4In Stock

65,12 €

65,11 €

60,52 €

58,86 €

View

Min.: 1
Mult.: 1

63 A

250 VDC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers factory currently not accepting orders

2D4DL
Altech
1: 84,57 €
1In Stock
Verify Status with Factory

Mfr. Part No.
2D4DL

Mouser Part No
845-2D4DL

Verify Status with Factory

Altech

Circuit Breakers factory currently not accepting orders

Learn More

Datasheet

1In Stock

84,57 €

61,39 €

61,38 €

57,17 €

View

Min.: 1
Mult.: 1

4 A

250 VDC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 3A, C CHAR, 1POLE 277VAC, UL489

1C3UL
Altech
1: 28,84 €
312On Order

Mfr. Part No.
1C3UL

Mouser Part No
845-1C3UL

Altech

Circuit Breakers 3A, C CHAR, 1POLE 277VAC, UL489

Learn More

Datasheet

312On Order

28,84 €

28,60 €

26,92 €

26,25 €

View

Min.: 1
Mult.: 1

Circuit Breakers

C-Trip

3 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 20A, C CHAR, 3POLE 480Y/277VAC,UL489

3C20UL
Altech
1: 86,50 €
39Expected 12/14/2026

Mfr. Part No.
3C20UL

Mouser Part No
845-3C20UL

Altech

Circuit Breakers 20A, C CHAR, 3POLE 480Y/277VAC,UL489

Learn More

Datasheet

39Expected 12/14/2026

86,50 €

74,58 €

73,13 €

View

Min.: 1
Mult.: 1

Circuit Breakers

C-Trip

20 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 40A D Characteristic UL 508 3 POLE

3D40UM
Altech
1: 69,76 €
4Expected 1/25/2027

Mfr. Part No.
3D40UM

Mouser Part No
845-3D40UM

Altech

Circuit Breakers 40A D Characteristic UL 508 3 POLE

Learn More

Datasheet

4Expected 1/25/2027

69,76 €

69,44 €

67,70 €

View

Min.: 1
Mult.: 1

40 A

277 VAC

80 VDC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers TR11 sup.protector,wing clip,

TR11-W-Y-63-W-0-N-10.0A
Altech
1: 5,34 €
22On Order

Mfr. Part No.
TR11-W-Y-63-W-0-N-10.0A

Mouser Part No
845-TR11WY63W0N100A

Altech

Circuit Breakers TR11 sup.protector,wing clip,

Learn More

Datasheet

22On Order

5,34 €

4,29 €

4,18 €

4,05 €

View

Min.: 1
Mult.: 1

TR11

Circuit Breakers

Supplementary Protector

10 A

240 VAC

50 VDC

1 Pole

Pushbutton

- 20 C

+ 60 C

Non-Illuminated

Circuit Breakers 6A MCB B Char 1 pl 277VAC UL508

1B6UM
Altech
1: 20,46 €
6Expected 10/7/2026

Mfr. Part No.
1B6UM

Mouser Part No
845-1B6UM

Altech

Circuit Breakers 6A MCB B Char 1 pl 277VAC UL508

Learn More

Datasheet

6Expected 10/7/2026

20,46 €

20,45 €

20,12 €

19,55 €

View

Min.: 1
Mult.: 1

6 A

277 VAC

42 VDC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 0.5A, C CHAR, 1POLE 277VAC, UL489

1C05UL
Altech
1: 28,84 €
6Expected 1/11/2027

Mfr. Part No.
1C05UL

Mouser Part No
845-1C05UL

Altech

Circuit Breakers 0.5A, C CHAR, 1POLE 277VAC, UL489

Learn More

Datasheet

6Expected 1/11/2027

28,84 €

27,47 €

26,61 €

25,82 €

View

Min.: 1
Mult.: 1

500 mA

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 30A, C CHAR, 1POLE 277VAC, UL489

1C30UL
Altech
1: 28,84 €
11On Order

Mfr. Part No.
1C30UL

Mouser Part No
845-1C30UL

Altech

Circuit Breakers 30A, C CHAR, 1POLE 277VAC, UL489

Learn More

Datasheet

11On Order

28,84 €

28,73 €

27,94 €

View

Min.: 1
Mult.: 1

Circuit Breakers

C-Trip

30 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 6A, C CHAR, 1POLE 277VAC, UL489

1C6UL
Altech
1: 28,84 €
9Expected 12/7/2026

Mfr. Part No.
1C6UL

Mouser Part No
845-1C6UL

Altech

Circuit Breakers 6A, C CHAR, 1POLE 277VAC, UL489

Learn More

Datasheet

9Expected 12/7/2026

28,84 €

28,74 €

26,99 €

26,24 €

View

Min.: 1
Mult.: 1

Circuit Breakers

C-Trip

6 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

1D10UR
Altech
1: 15,35 €
5Expected 9/30/2026

Mfr. Part No.
1D10UR

Mouser Part No
845-1D10UR

Altech

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

Learn More

Datasheet

5Expected 9/30/2026

15,35 €

15,34 €

14,83 €

14,37 €

View

Min.: 1
Mult.: 1

10 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 15A, D CHAR, 1POLE 277VAC, UL489

1D15UL
Altech
1: 28,84 €
49On Order

Mfr. Part No.
1D15UL

Mouser Part No
845-1D15UL

Altech

Circuit Breakers 15A, D CHAR, 1POLE 277VAC, UL489

Learn More

Datasheet

49On Order

28,84 €

27,98 €

26,75 €

26,15 €

View

Min.: 1
Mult.: 1

Circuit Breakers

D-Trip

15 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 1A D Characteristic UL 508 1 POLE

1D1UM
Altech
1: 20,46 €
9Expected 1/12/2027

Mfr. Part No.
1D1UM

Mouser Part No
845-1D1UM

Altech

Circuit Breakers 1A D Characteristic UL 508 1 POLE

Learn More

Datasheet

9Expected 1/12/2027

20,46 €

20,13 €

19,60 €

19,14 €

View

Min.: 1
Mult.: 1

Circuit Breakers

D-Trip

1 A

277 VAC

42 VDC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers

Customer Service Office

Company

Resources

Support

4D
4E
15
18
1B
1C
1G
2BN
2C
2DN
2G
3C
3G
4B
4C
4CN
4DN
AS3
DFS
FI

160 mA
200 mA
250 mA
300 mA
400 mA
500 mA
630 mA
750 mA
800 mA
1 A
1.5 A
1.6 A
2 A
2.2 A
2.5 A
2.7 A
3 A
3.5 A
4 A
5 A