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Circuit Breakers

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Part #

Circuit Breakers 25A, D CHAR, 1POLE 277VAC, UL489

1D25UL
Altech
1: 28,84 €
5Expected 10/8/2026

Mfr. Part No.
1D25UL

Mouser Part No
845-1D25UL

Altech

Circuit Breakers 25A, D CHAR, 1POLE 277VAC, UL489

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Datasheet

5Expected 10/8/2026

28,84 €

28,06 €

27,30 €

26,47 €

View

Min.: 1
Mult.: 1

25 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 2A, D CHAR, 1POLE 277VAC, UL489

1D2UL
Altech
1: 28,84 €
7In Stock

Mfr. Part No.
1D2UL

Mouser Part No
845-1D2UL

Altech

Circuit Breakers 2A, D CHAR, 1POLE 277VAC, UL489

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Datasheet

7In Stock

28,84 €

28,35 €

26,79 €

25,98 €

View

Min.: 1
Mult.: 1

2 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

1D6UL
Altech
1: 28,84 €
7Expected 12/7/2026

Mfr. Part No.
1D6UL

Mouser Part No
845-1D6UL

Altech

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

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Datasheet

7Expected 12/7/2026

28,84 €

28,26 €

27,51 €

26,76 €

View

Min.: 1
Mult.: 1

6 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 6A D Characteristic UL 508 1 POLE

1D6UM
Altech
1: 20,46 €
2On Order

Mfr. Part No.
1D6UM

Mouser Part No
845-1D6UM

Altech

Circuit Breakers 6A D Characteristic UL 508 1 POLE

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Datasheet

2On Order

20,46 €

19,66 €

18,98 €

18,46 €

View

Min.: 1
Mult.: 1

6 A

277 VAC

42 VDC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 8A, D CHAR, 1POLE 277VAC, UL489

1D8UL
Altech
1: 28,84 €
23Expected 1/4/2027

Mfr. Part No.
1D8UL

Mouser Part No
845-1D8UL

Altech

Circuit Breakers 8A, D CHAR, 1POLE 277VAC, UL489

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Datasheet

23Expected 1/4/2027

28,84 €

28,83 €

28,63 €

27,80 €

View

Min.: 1
Mult.: 1

8 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 50A CRT BKR ECHAR 277VAC UL508

1E50UM
Altech
1: 33,04 €
6Expected 9/21/2026

Mfr. Part No.
1E50UM

Mouser Part No
845-1E50UM

Altech

Circuit Breakers 50A CRT BKR ECHAR 277VAC UL508

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Datasheet

6Expected 9/21/2026

33,04 €

23,26 €

22,49 €

21,74 €

View

Min.: 1
Mult.: 1

Circuit Breakers

E-Trip

50 A

277 VAC

24 VDC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 10A G Characteristic UL 508 1 POLE

1G10UM
Altech
1: 20,46 €
21Expected 12/14/2026

Mfr. Part No.
1G10UM

Mouser Part No
845-1G10UM

Altech

Circuit Breakers 10A G Characteristic UL 508 1 POLE

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Datasheet

21Expected 12/14/2026

20,46 €

20,45 €

19,98 €

19,47 €

View

Min.: 1
Mult.: 1

10 A

277 VAC

42 VDC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 12A, C CHAR, 2POLE 480Y/277VAC,UL489

2C12UL
Altech
1: 73,61 €
7Expected 2/2/2027

Mfr. Part No.
2C12UL

Mouser Part No
845-2C12UL

Altech

Circuit Breakers 12A, C CHAR, 2POLE 480Y/277VAC,UL489

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Datasheet

7Expected 2/2/2027

73,61 €

64,47 €

60,92 €

54,05 €

View

Min.: 1
Mult.: 1

Circuit Breakers

C-Trip

12 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 20A, C CHAR, 2POLE 480Y/277VAC,UL489

2C20UL
Altech
1: 57,66 €
7In Stock
10On Order

Mfr. Part No.
2C20UL

Mouser Part No
845-2C20UL

Altech

Circuit Breakers 20A, C CHAR, 2POLE 480Y/277VAC,UL489

Learn More

Datasheet

7In Stock

10On Order

57,66 €

51,78 €

49,30 €

View

Min.: 1
Mult.: 1

20 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 25A, C CHAR, 2POLE 480Y/277VAC,UL489

2C25UL
Altech
1: 57,66 €
5Expected 9/15/2026

Mfr. Part No.
2C25UL

Mouser Part No
845-2C25UL

Altech

Circuit Breakers 25A, C CHAR, 2POLE 480Y/277VAC,UL489

Learn More

Datasheet

5Expected 9/15/2026

57,66 €

57,33 €

55,74 €

View

Min.: 1
Mult.: 1

25 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 15A, D CHAR, 2POLE 480Y/277VAC,UL489

2D15UL
Altech
1: 57,66 €
8Expected 12/21/2026

Mfr. Part No.
2D15UL

Mouser Part No
845-2D15UL

Altech

Circuit Breakers 15A, D CHAR, 2POLE 480Y/277VAC,UL489

Learn More

Datasheet

8Expected 12/21/2026

57,66 €

57,65 €

54,59 €

Min.: 1
Mult.: 1

15 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 3A, D CHAR, 2POLE 480Y/277VAC,UL489

2D3UL
Altech
1: 57,66 €
15Expected 1/11/2027

Mfr. Part No.
2D3UL

Mouser Part No
845-2D3UL

Altech

Circuit Breakers 3A, D CHAR, 2POLE 480Y/277VAC,UL489

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Datasheet

15Expected 1/11/2027

57,66 €

57,05 €

56,05 €

View

Min.: 1
Mult.: 1

3 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 50A, D CHAR, 2POLE 240VAC,UL489

2D50UL
Altech
1: 61,39 €
6Expected 10/19/2026

Mfr. Part No.
2D50UL

Mouser Part No
845-2D50UL

Altech

Circuit Breakers 50A, D CHAR, 2POLE 240VAC,UL489

Learn More

Datasheet

6Expected 10/19/2026

61,39 €

61,07 €

59,52 €

View

Min.: 1
Mult.: 1

50 A

240 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

2D6UR
Altech
1: 30,70 €
5Expected 10/8/2026

Mfr. Part No.
2D6UR

Mouser Part No
845-2D6UR

Altech

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

Learn More

Datasheet

5Expected 10/8/2026

30,70 €

30,38 €

29,56 €

View

Min.: 1
Mult.: 1

6 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

2Z30UM
Altech
1: 76,94 €
5Expected 9/14/2026

Mfr. Part No.
2Z30UM

Mouser Part No
845-2Z30UM

Altech

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

Learn More

Datasheet

5Expected 9/14/2026

76,94 €

76,65 €

68,46 €

66,16 €

View

Min.: 1
Mult.: 1

Circuit Breakers

Z-Trip

30 A

277 VAC

60 VDC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 25A, C CHAR, 3POLE 480Y/277VAC,UL489

3C25UL
Altech
1: 86,50 €
5Expected 12/21/2026

Mfr. Part No.
3C25UL

Mouser Part No
845-3C25UL

Altech

Circuit Breakers 25A, C CHAR, 3POLE 480Y/277VAC,UL489

Learn More

Datasheet

5Expected 12/21/2026

86,50 €

86,49 €

84,89 €

View

Min.: 1
Mult.: 1

Circuit Breakers

C-Trip

25 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 30A, C CHAR, 3POLE 480Y/277VAC,UL489

3C30UL
Altech
1: 86,50 €
4Expected 9/14/2026

Mfr. Part No.
3C30UL

Mouser Part No
845-3C30UL

Altech

Circuit Breakers 30A, C CHAR, 3POLE 480Y/277VAC,UL489

Learn More

Datasheet

4Expected 9/14/2026

86,50 €

86,49 €

82,69 €

Min.: 1
Mult.: 1

Circuit Breakers

C-Trip

30 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

3D20UL
Altech
1: 86,50 €
11Expected 1/8/2027

Mfr. Part No.
3D20UL

Mouser Part No
845-3D20UL

Altech

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

Learn More

Datasheet

11Expected 1/8/2027

86,50 €

81,41 €

79,52 €

View

Min.: 1
Mult.: 1

Circuit Breakers

D-Trip

20 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 60A, D CHAR, 3POLE 240VAC,UL489

3D60UL
Altech
1: 92,08 €
5Expected 11/16/2026

Mfr. Part No.
3D60UL

Mouser Part No
845-3D60UL

Altech

Circuit Breakers 60A, D CHAR, 3POLE 240VAC,UL489

Learn More

Datasheet

5Expected 11/16/2026

92,08 €

92,07 €

91,80 €

View

Min.: 1
Mult.: 1

60 A

240 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 4C20UL, 20A, CIRCUIT BREAKER

4C20UL
Altech
1: 259,76 €
3Expected 9/14/2026

Mfr. Part No.
4C20UL

Mouser Part No
845-4C20UL

Altech

Circuit Breakers 4C20UL, 20A, CIRCUIT BREAKER

3Expected 9/14/2026

259,76 €

255,29 €

View

Min.: 1
Mult.: 1

Circuit Breakers

C-Trip

20 A

277 VAC

4 Pole

Circuit Breakers Electronic Circuit Protector, 2 Channel

MRF102
Altech
1: 179,53 €
5Factory Stock Available

Mfr. Part No.
MRF102

Mouser Part No
845-MRF102

Altech

Circuit Breakers Electronic Circuit Protector, 2 Channel

Datasheet

5Factory Stock Available

More Info Available

179,53 €

161,34 €

147,21 €

135,05 €

View

Min.: 1
Mult.: 1

Circuit Breakers

10 A

9 VDC to 32 VDC

- 25 C

+ 60 C

Illuminated

Circuit Breakers TR11sup.prot.,wingD,bl.slid.w/

TR11-D-X-63-BB-2-N-10.0A
Altech
1: 5,34 €
201Factory Stock Available

Mfr. Part No.
TR11-D-X-63-BB-2-N-10.0A

Mouser Part No
845-R11DX63BB2N10.0A

Altech

Circuit Breakers TR11sup.prot.,wingD,bl.slid.w/

Learn More

Datasheet

201Factory Stock Available

More Info Available

5,34 €

4,29 €

4,21 €

4,07 €

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 TR11 sup. prot.,cent.mou.,bl.

TR11-C-X-63-B-0-C-1.2A
Altech
1: 4,75 €
12Factory Stock Available

Mfr. Part No.
TR11-C-X-63-B-0-C-1.2A

Mouser Part No
845-TR11C63B0C1.2A

Altech

Circuit Breakers TR11 sup. prot.,cent.mou.,bl.

Learn More

Datasheet

12Factory Stock Available

More Info Available

4,75 €

4,63 €

4,45 €

4,21 €

View

Min.: 1
Mult.: 1

TR11

Circuit Breakers TR11 sup. prot.,cent.mou.,bl.

TR11-C-X-63-B-0-A-1.0A
Altech
1: 4,75 €
45Factory Stock Available

Mfr. Part No.
TR11-C-X-63-B-0-A-1.0A

Mouser Part No
845-TR11CX63B0A10A

Altech

Circuit Breakers TR11 sup. prot.,cent.mou.,bl.

Learn More

Datasheet

45Factory Stock Available

More Info Available

4,75 €

4,70 €

4,53 €

4,45 €

4,43 €

Min.: 1
Mult.: 1

TR11

Circuit Breakers TR11 sup. prot.,cent.mou.,bl.

TR11-C-X-63-B-0-A-2.0A
Altech
1: 4,75 €
50Factory Stock Available

Mfr. Part No.
TR11-C-X-63-B-0-A-2.0A

Mouser Part No
845-TR11CX63B0A20A

Altech

Circuit Breakers TR11 sup. prot.,cent.mou.,bl.

Learn More

Datasheet

50Factory Stock Available

More Info Available

4,75 €

4,70 €

4,53 €

4,45 €

4,43 €

Min.: 1
Mult.: 1

TR11

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