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

Altech Circuit Protection

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

Types of Circuit Protection

List Images

Results: 6.071

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 20A, D CHAR, 1POLE 277VAC, UL489

1D20UL
Altech
1: 28,84 €
10In Stock

Mfr. Part No.
1D20UL

Mouser Part No
845-1D20UL

Altech

Circuit Breakers 20A, D CHAR, 1POLE 277VAC, UL489

Learn More

Datasheet

10In Stock

28,84 €

28,67 €

27,98 €

Quote

Min.: 1
Mult.: 1

Circuit Breakers 2A D Characteristic UL 508 1 POLE

1D2UM
Altech
1: 20,46 €
1In Stock

Mfr. Part No.
1D2UM

Mouser Part No
845-1D2UM

Altech

Circuit Breakers 2A D Characteristic UL 508 1 POLE

Learn More

Datasheet

1In Stock

20,46 €

20,45 €

18,93 €

18,20 €

View

Min.: 1
Mult.: 1

Circuit Breakers 6A,MCB D CHAR 1 PL, 277VAC, UL1077

1D6UR
Altech
1: 21,90 €
2In Stock

Mfr. Part No.
1D6UR

Mouser Part No
845-1D6UR

Altech

Circuit Breakers 6A,MCB D CHAR 1 PL, 277VAC, UL1077

Learn More

Datasheet

2In Stock

21,90 €

15,35 €

14,28 €

13,68 €

View

Min.: 1
Mult.: 1

Circuit Breakers 10A CRT BRKR ECHAR 277VAC UL508

1E10UM
Altech
1: 29,36 €
5In Stock

Mfr. Part No.
1E10UM

Mouser Part No
845-1E10UM

Altech

Circuit Breakers 10A CRT BRKR ECHAR 277VAC UL508

Learn More

Datasheet

5In Stock

29,36 €

24,54 €

20,46 €

19,45 €

View

Min.: 1
Mult.: 1

Circuit Breakers 13A CRT BRKR ECHAR 277VAC UL508

1E13UM
Altech
1: 20,46 €
5In Stock

Mfr. Part No.
1E13UM

Mouser Part No
845-1E13UM

Altech

Circuit Breakers 13A CRT BRKR ECHAR 277VAC UL508

Learn More

Datasheet

5In Stock

20,46 €

19,32 €

18,53 €

17,94 €

View

Min.: 1
Mult.: 1

Circuit Breakers 10A G Characteristic UL 508 1 POLE

1G10UM
Altech
1: 31,51 €
19In Stock

Mfr. Part No.
1G10UM

Mouser Part No
845-1G10UM

Altech

Circuit Breakers 10A G Characteristic UL 508 1 POLE

Learn More

Datasheet

19In Stock

31,51 €

26,14 €

24,11 €

19,98 €

View

Min.: 1
Mult.: 1

Circuit Breakers 20A G Characteristic UL 508 1 POLE

1G20UM
Altech
1: 26,40 €
7In Stock

Mfr. Part No.
1G20UM

Mouser Part No
845-1G20UM

Altech

Circuit Breakers 20A G Characteristic UL 508 1 POLE

Learn More

Datasheet

7In Stock

26,40 €

24,54 €

20,46 €

19,12 €

View

Min.: 1
Mult.: 1

Circuit Breakers 25A G Characteristic UL 508 1 POLE

1G25UM
Altech
1: 31,51 €
1In Stock

Mfr. Part No.
1G25UM

Mouser Part No
845-1G25UM

Altech

Circuit Breakers 25A G Characteristic UL 508 1 POLE

Learn More

Datasheet

1In Stock

31,51 €

26,14 €

24,11 €

19,98 €

View

Min.: 1
Mult.: 1

Circuit Breaker Accessories 1 Ph Busbar 204.6mm 12Pin, 115A

1P16UL3/12
Altech
1: 23,50 €
28In Stock Restricted Availability

Mfr. Part No.
1P16UL3/12

Mouser Part No
845-1P16UL3/12

Altech

Circuit Breaker Accessories 1 Ph Busbar 204.6mm 12Pin, 115A

Learn More

Datasheet

28In Stock

23,50 €

21,29 €

21,27 €

16,74 €

View

Min.: 1
Mult.: 1

Restricted Availability

Circuit Breaker Accessories 1 Ph Busbar 99mm 6Pin, 115A

1P16UL3/6
Altech
1: 12,99 €
7In Stock Restricted Availability
30Expected 6/4/2026

Mfr. Part No.
1P16UL3/6

Mouser Part No
845-1P16UL3/6

Altech

Circuit Breaker Accessories 1 Ph Busbar 99mm 6Pin, 115A

Learn More

Datasheet

7In Stock

30Expected 6/4/2026

12,99 €

10,83 €

10,79 €

10,20 €

View

Min.: 1
Mult.: 1

Restricted Availability

Circuit Breaker Accessories 1 Ph Busbar 210.0mm 12Pin 12x1 pole, 80A

1P18U1/12
Altech
1: 15,81 €
5In Stock

Mfr. Part No.
1P18U1/12

Mouser Part No
845-1P18U1/12

Altech

Circuit Breaker Accessories 1 Ph Busbar 210.0mm 12Pin 12x1 pole, 80A

Learn More

Datasheet

5In Stock

15,81 €

14,15 €

11,56 €

10,88 €

View

Min.: 1
Mult.: 1

Circuit Breaker Accessories 3Pin3x1Pole50.3mm 1 PhaseBusbar

1P18U1/3
Altech
1: 6,47 €
14In Stock

Mfr. Part No.
1P18U1/3

Mouser Part No
845-1P18U1/3

Altech

Circuit Breaker Accessories 3Pin3x1Pole50.3mm 1 PhaseBusbar

Learn More

Datasheet

14In Stock

6,47 €

6,34 €

6,04 €

5,71 €

View

Min.: 1
Mult.: 1

Circuit Breaker Accessories 1 PH BUSBAR 18sqmm 57 LUGS

1P18U1/57
Altech
1: 48,40 €
3In Stock

Mfr. Part No.
1P18U1/57

Mouser Part No
845-1P18U1/57

Altech

Circuit Breaker Accessories 1 PH BUSBAR 18sqmm 57 LUGS

Learn More

Datasheet

3In Stock

48,40 €

34,18 €

33,07 €

31,91 €

View

Min.: 1
Mult.: 1

Circuit Breakers 16A Z Characteristic UL 508 1 POLE

1Z16UM
Altech
1: 52,76 €
2In Stock

Mfr. Part No.
1Z16UM

Mouser Part No
845-1Z16UM

Altech

Circuit Breakers 16A Z Characteristic UL 508 1 POLE

Learn More

Datasheet

2In Stock

52,76 €

43,77 €

40,38 €

33,42 €

View

Min.: 1
Mult.: 1

Cartridge Fuses Fuse, Cylinder 10x38mm, 20A

20C10X38AM
Altech
1: 4,36 €
10In Stock

Mfr. Part No.
20C10X38AM

Mouser Part No
845-20C10X38AM

Altech

Cartridge Fuses Fuse, Cylinder 10x38mm, 20A

Learn More

Datasheet

10In Stock

4,36 €

4,07 €

2,87 €

2,40 €

View

Min.: 1
Mult.: 1

Cartridge Fuses CYL 400 VAC 20A 10 x 38mm

20C10X38GI
Altech
1: 4,35 €
10In Stock

Mfr. Part No.
20C10X38GI

Mouser Part No
845-20C10X38GI

Altech

Cartridge Fuses CYL 400 VAC 20A 10 x 38mm

Learn More

Datasheet

10In Stock

4,35 €

4,06 €

3,91 €

3,04 €

View

Min.: 1
Mult.: 1

Specialty Fuses Diazed 20A Slw Blw 50x22mm

20D27SB
Altech
1: 4,35 €
17In Stock

Mfr. Part No.
20D27SB

Mouser Part No
845-20D27SB

Altech

Specialty Fuses Diazed 20A Slw Blw 50x22mm

Learn More

17In Stock

4,35 €

4,06 €

3,91 €

3,04 €

View

Min.: 1
Mult.: 1

Cartridge Fuses CYL 25A 660V 14x51mm

25C14X51AM
Altech
1: 6,38 €
15In Stock

Mfr. Part No.
25C14X51AM

Mouser Part No
845-25C14X51AM

Altech

Cartridge Fuses CYL 25A 660V 14x51mm

Learn More

Datasheet

15In Stock

6,38 €

5,93 €

5,66 €

4,35 €

View

Min.: 1
Mult.: 1

Specialty Fuses Diazed 25A Fast Blw 50x22mm

25D27FB
Altech
1: 4,35 €
20In Stock

Mfr. Part No.
25D27FB

Mouser Part No
845-25D27FB

Altech

Specialty Fuses Diazed 25A Fast Blw 50x22mm

Learn More

20In Stock

4,35 €

4,06 €

2,87 €

2,40 €

View

Min.: 1
Mult.: 1

Cartridge Fuses CYL 500vac 2A 10 x 38mm

2C10X38GI
Altech
1: 4,00 €
12In Stock
150On Order

Mfr. Part No.
2C10X38GI

Mouser Part No
845-2C10X38GI

Altech

Cartridge Fuses CYL 500vac 2A 10 x 38mm

Learn More

Datasheet

12In Stock

150On Order

4,00 €

3,80 €

3,11 €

2,55 €

View

Min.: 1
Mult.: 1

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

2C15UL
Altech
1: 57,66 €
8In Stock

Mfr. Part No.
2C15UL

Mouser Part No
845-2C15UL

Altech

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

Learn More

Datasheet

8In Stock

57,66 €

57,65 €

51,44 €

View

Min.: 1
Mult.: 1

Circuit Breakers 15A CRT BRKR CCHAR 277VAC UL508

2C15UM
Altech
1: 58,97 €
11In Stock

Mfr. Part No.
2C15UM

Mouser Part No
845-2C15UM

Altech

Circuit Breakers 15A CRT BRKR CCHAR 277VAC UL508

Learn More

Datasheet

11In Stock

58,97 €

48,93 €

45,12 €

37,35 €

View

Min.: 1
Mult.: 1

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

2C1UM
Altech
1: 56,82 €
5In Stock

Mfr. Part No.
2C1UM

Mouser Part No
845-2C1UM

Altech

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

Learn More

Datasheet

5In Stock

56,82 €

48,93 €

40,57 €

37,12 €

View

Min.: 1
Mult.: 1

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

2C20UM
Altech
1: 58,97 €
1In Stock

Mfr. Part No.
2C20UM

Mouser Part No
845-2C20UM

Altech

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

Learn More

Datasheet

1In Stock

58,97 €

48,93 €

45,12 €

37,35 €

View

Min.: 1
Mult.: 1

Circuit Breakers 32A, C CHAR, 2POLE 480Y/277VAC,UL489

2C32UL
Altech
1: 59,70 €
10In Stock

Mfr. Part No.
2C32UL

Mouser Part No
845-2C32UL

Altech

Circuit Breakers 32A, C CHAR, 2POLE 480Y/277VAC,UL489

Learn More

Datasheet

10In Stock

59,70 €

58,82 €

51,80 €

50,48 €

View

Min.: 1
Mult.: 1

Altech Circuit Protection

Types of Circuit Protection

Customer Service Office

Company

Resources

Support