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

Altech Circuit Breakers & Accessories

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

Types of Circuit Breakers & Accessories

List Images

Results: 2.105

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 4A CRT BRKR ECHAR 277VAC UL508

1E4UM
Altech
1: 219,03 kr.
6In Stock

Mfr. Part No.
1E4UM

Mouser Part No
845-1E4UM

Altech

Circuit Breakers 4A CRT BRKR ECHAR 277VAC UL508

Learn More

Datasheet

6In Stock

219,03 kr.

183,07 kr.

152,63 kr.

144,13 kr.

View

Min.: 1
Mult.: 1

Circuit Breakers 50A CRT BKR ECHAR 277VAC UL508

1E50UM
Altech
1: 246,48 kr.
11In Stock

Mfr. Part No.
1E50UM

Mouser Part No
845-1E50UM

Altech

Circuit Breakers 50A CRT BKR ECHAR 277VAC UL508

Learn More

Datasheet

11In Stock

246,48 kr.

208,28 kr.

200,90 kr.

163,90 kr.

View

Min.: 1
Mult.: 1

Circuit Breakers 16A G Characteristic UL 508 1 POLE

1G16UM
Altech
1: 235,06 kr.
10In Stock

Mfr. Part No.
1G16UM

Mouser Part No
845-1G16UM

Altech

Circuit Breakers 16A G Characteristic UL 508 1 POLE

Learn More

Datasheet

10In Stock

235,06 kr.

195,00 kr.

179,86 kr.

149,05 kr.

View

Min.: 1
Mult.: 1

Circuit Breaker Accessories APDBUSBAR 25A/600VAC;1PH;83TB

1LB83-25A
Altech
1: 656,26 kr.
3In Stock

Mfr. Part No.
1LB83-25A

Mouser Part No
845-1LB8325A

Altech

Circuit Breaker Accessories APDBUSBAR 25A/600VAC;1PH;83TB

Learn More

Datasheet

3In Stock

656,26 kr.

548,98 kr.

520,11 kr.

433,43 kr.

404,48 kr.

Min.: 1
Mult.: 1

Circuit Breakers 13A Z Characteristic UL 508 1 POLE

1Z13UM
Altech
1: 377,55 kr.
11In Stock

Mfr. Part No.
1Z13UM

Mouser Part No
845-1Z13UM

Altech

Circuit Breakers 13A Z Characteristic UL 508 1 POLE

Learn More

Datasheet

11In Stock

377,55 kr.

326,52 kr.

301,23 kr.

249,09 kr.

View

Min.: 1
Mult.: 1

Circuit Breakers 1A,MCB B CHAR 2PL 480Y/277VAC, UL1077

2B1UR
Altech
1: 337,57 kr.
22In Stock

Mfr. Part No.
2B1UR

Mouser Part No
845-2B1UR

Altech

Circuit Breakers 1A,MCB B CHAR 2PL 480Y/277VAC, UL1077

Learn More

Datasheet

22In Stock

337,57 kr.

280,05 kr.

258,34 kr.

222,23 kr.

View

Min.: 1
Mult.: 1

Circuit Breakers 1.6A MCB CCHAR 1P+N 277VAC UL508

2C1.6UM
Altech
1: 439,92 kr.
23In Stock
42Expected 10/04/2026

Mfr. Part No.
2C1.6UM

Mouser Part No
845-2C1.6UM

Altech

Circuit Breakers 1.6A MCB CCHAR 1P+N 277VAC UL508

Learn More

Datasheet

23In Stock

42Expected 10/04/2026

439,92 kr.

365,02 kr.

336,60 kr.

278,63 kr.

View

Min.: 1
Mult.: 1

Circuit Breakers 10A MCB CCHAR 1P+N 277VAC UL508

2C10UM
Altech
1: 439,92 kr.
3In Stock

Mfr. Part No.
2C10UM

Mouser Part No
845-2C10UM

Altech

Circuit Breakers 10A MCB CCHAR 1P+N 277VAC UL508

Learn More

Datasheet

3In Stock

439,92 kr.

365,02 kr.

336,60 kr.

278,63 kr.

View

Min.: 1
Mult.: 1

Circuit Breakers 25A MCB CCHAR 1P+N 277VAC UL508

2C25UM
Altech
1: 439,92 kr.
4In Stock

Mfr. Part No.
2C25UM

Mouser Part No
845-2C25UM

Altech

Circuit Breakers 25A MCB CCHAR 1P+N 277VAC UL508

Learn More

Datasheet

4In Stock

439,92 kr.

365,02 kr.

336,60 kr.

278,63 kr.

View

Min.: 1
Mult.: 1

Circuit Breakers 4A, C CHAR, 2POLE 480Y/277VAC,UL489

2C4UL
Altech
1: 430,14 kr.
10In Stock

Mfr. Part No.
2C4UL

Mouser Part No
845-2C4UL

Altech

Circuit Breakers 4A, C CHAR, 2POLE 480Y/277VAC,UL489

Learn More

Datasheet

10In Stock

430,14 kr.

427,38 kr.

406,94 kr.

405,15 kr.

View

Min.: 1
Mult.: 1

Circuit Breakers 5A, C CHAR, 2POLE 480Y/277VAC,UL489

2C5UL
Altech
1: 430,14 kr.
16In Stock

Mfr. Part No.
2C5UL

Mouser Part No
845-2C5UL

Altech

Circuit Breakers 5A, C CHAR, 2POLE 480Y/277VAC,UL489

Learn More

Datasheet

16In Stock

430,14 kr.

420,30 kr.

408,51 kr.

368,82 kr.

View

Min.: 1
Mult.: 1

Circuit Breakers 10A,MCB D CHAR 2PL 480Y/277VAC, UL1077

2D10UR
Altech
1: 337,57 kr.
11In Stock

Mfr. Part No.
2D10UR

Mouser Part No
845-2D10UR

Altech

Circuit Breakers 10A,MCB D CHAR 2PL 480Y/277VAC, UL1077

Learn More

Datasheet

11In Stock

337,57 kr.

280,05 kr.

258,34 kr.

222,23 kr.

View

Min.: 1
Mult.: 1

Circuit Breakers 20A,MCB D CHAR 2PL 480Y/277VAC, UL1077

2D20UR
Altech
1: 297,21 kr.
28In Stock
5On Order

Mfr. Part No.
2D20UR

Mouser Part No
845-2D20UR

Altech

Circuit Breakers 20A,MCB D CHAR 2PL 480Y/277VAC, UL1077

Learn More

Datasheet

28In Stock

5On Order

297,21 kr.

274,08 kr.

260,73 kr.

214,25 kr.

View

Min.: 1
Mult.: 1

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

2D2UM
Altech
1: 305,41 kr.
5In Stock

Mfr. Part No.
2D2UM

Mouser Part No
845-2D2UM

Altech

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

Learn More

Datasheet

5In Stock

305,41 kr.

299,00 kr.

279,75 kr.

272,59 kr.

View

Min.: 1
Mult.: 1

Circuit Breakers 4A, D CHAR, 2POLE 480Y/277VAC,UL489

2D4UL
Altech
1: 429,47 kr.
6In Stock

Mfr. Part No.
2D4UL

Mouser Part No
845-2D4UL

Altech

Circuit Breakers 4A, D CHAR, 2POLE 480Y/277VAC,UL489

Learn More

Datasheet

6In Stock

429,47 kr.

427,53 kr.

415,07 kr.

395,60 kr.

View

Min.: 1
Mult.: 1

Circuit Breakers 5A, D CHAR, 2POLE 480Y/277VAC,UL489

2D5UL
Altech
1: 430,14 kr.
6In Stock

Mfr. Part No.
2D5UL

Mouser Part No
845-2D5UL

Altech

Circuit Breakers 5A, D CHAR, 2POLE 480Y/277VAC,UL489

Learn More

Datasheet

6In Stock

430,14 kr.

405,30 kr.

View

Min.: 1
Mult.: 1

Circuit Breakers 2.5A MCB GCHAR 1P+N 277VAC UL508

2G2.5UM
Altech
1: 439,92 kr.
28In Stock

Mfr. Part No.
2G2.5UM

Mouser Part No
845-2G2.5UM

Altech

Circuit Breakers 2.5A MCB GCHAR 1P+N 277VAC UL508

Learn More

Datasheet

28In Stock

439,92 kr.

365,02 kr.

336,60 kr.

278,63 kr.

View

Min.: 1
Mult.: 1

Circuit Breakers 1A MCB CCHAR 3 PL 480Y/277VAC UL508

3C1UM
Altech
1: 515,26 kr.
1In Stock

Mfr. Part No.
3C1UM

Mouser Part No
845-3C1UM

Altech

Circuit Breakers 1A MCB CCHAR 3 PL 480Y/277VAC UL508

Learn More

Datasheet

1In Stock

515,26 kr.

454,91 kr.

372,55 kr.

357,56 kr.

Min.: 1
Mult.: 1

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

3C30UL
Altech
1: 645,29 kr.
2In Stock

Mfr. Part No.
3C30UL

Mouser Part No
845-3C30UL

Altech

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

Learn More

Datasheet

2In Stock

645,29 kr.

645,22 kr.

643,35 kr.

View

Min.: 1
Mult.: 1

Circuit Breakers 2A D Characteristic UL 508 3 POLE

3D2UM
Altech
1: 630,82 kr.
2In Stock

Mfr. Part No.
3D2UM

Mouser Part No
845-3D2UM

Altech

Circuit Breakers 2A D Characteristic UL 508 3 POLE

Learn More

Datasheet

2In Stock

630,82 kr.

527,72 kr.

499,97 kr.

416,64 kr.

388,82 kr.

Min.: 1
Mult.: 1

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

3D30UL
Altech
1: 774,27 kr.
2In Stock

Mfr. Part No.
3D30UL

Mouser Part No
845-3D30UL

Altech

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

Learn More

Datasheet

2In Stock

774,27 kr.

645,29 kr.

645,22 kr.

641,56 kr.

View

Min.: 1
Mult.: 1

Circuit Breakers 30A D Characteristic UL 508 3 POLE

3D30UM
Altech
1: 457,97 kr.
11In Stock

Mfr. Part No.
3D30UM

Mouser Part No
845-3D30UM

Altech

Circuit Breakers 30A D Characteristic UL 508 3 POLE

Learn More

Datasheet

11In Stock

457,97 kr.

440,66 kr.

427,09 kr.

View

Min.: 1
Mult.: 1

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

3D3UL
Altech
1: 861,03 kr.
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

861,03 kr.

714,00 kr.

665,28 kr.

547,86 kr.

508,77 kr.

Min.: 1
Mult.: 1

Circuit Breakers 20A CRT BRKR ECHAR 277VAC UL508

3E20UM
Altech
1: 614,78 kr.
4In Stock

Mfr. Part No.
3E20UM

Mouser Part No
845-3E20UM

Altech

Circuit Breakers 20A CRT BRKR ECHAR 277VAC UL508

Learn More

Datasheet

4In Stock

614,78 kr.

457,97 kr.

445,66 kr.

413,13 kr.

View

Min.: 1
Mult.: 1

Circuit Breaker Accessories Busbar 3Phase 18sqmm PIN Type 57 lugs

3P18U3/57
Altech
1: 898,26 kr.
1In Stock

Mfr. Part No.
3P18U3/57

Mouser Part No
845-3P18U3/57

Altech

Circuit Breaker Accessories Busbar 3Phase 18sqmm PIN Type 57 lugs

Learn More

1In Stock

898,26 kr.

744,88 kr.

694,00 kr.

571,59 kr.

530,78 kr.

Min.: 1
Mult.: 1

Altech Circuit Breakers & Accessories

Types of Circuit Breakers & Accessories

Customer Service Office

Company

Resources

Support