.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: 1.983

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

TR11-D-Y-63-BB-2-N-15.0A
Altech
1: Rp113.929
8In Stock

Mfr. Part No.
TR11-D-Y-63-BB-2-N-15.0A

Mouser Part No
845-TR11DY63BB2N150A

Altech

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

Learn More

Datasheet

8In Stock

Rp113.929

Rp109.709

Rp91.547

Rp89.712

View

Min.: 1
Mult.: 1

Circuit Breakers Earth Leakage CB 40A, 30mA, 4p

09134911
Altech
1: Rp5.107.710
2In Stock

Mfr. Part No.
09134911

Mouser Part No
845-09134911

Altech

Circuit Breakers Earth Leakage CB 40A, 30mA, 4p

Datasheet

2In Stock

Rp5.107.710

Rp4.233.340

Rp3.902.378

Rp3.223.943

Min.: 1
Mult.: 1

Circuit Breaker Accessories Endcap for 18/25sqmm Busbar,

18/25CAP3PULC
Altech
1: Rp60.725
3In Stock

Mfr. Part No.
18/25CAP3PULC

Mouser Part No
845-18/25CAP3PULC

Altech

Circuit Breaker Accessories Endcap for 18/25sqmm Busbar,

Datasheet

3In Stock

Rp60.725

Rp55.221

Rp53.387

Rp38.343

View

Min.: 1
Mult.: 1

Circuit Breakers 0.5A, MCB B CHAR 1 PL, 277VAC, UL1077

1B05UR
Altech
1: Rp512.954
6In Stock

Mfr. Part No.
1B05UR

Mouser Part No
845-1B05UR

Altech

Circuit Breakers 0.5A, MCB B CHAR 1 PL, 277VAC, UL1077

Learn More

Datasheet

6In Stock

Rp512.954

Rp425.627

Rp392.604

Rp325.275

View

Min.: 1
Mult.: 1

Circuit Breakers 15A CRT BRKR BCHAR 1pl UL508

1B15UM
Altech
1: Rp626.332
10In Stock

Mfr. Part No.
1B15UM

Mouser Part No
845-1B15UM

Altech

Circuit Breakers 15A CRT BRKR BCHAR 1pl UL508

Learn More

Datasheet

10In Stock

Rp626.332

Rp523.595

Rp514.422

Rp412.235

View

Min.: 1
Mult.: 1

Circuit Breakers 30A CRT BRKR BCHAR 1pl UL508

1B30UM
Altech
1: Rp626.332
15In Stock

Mfr. Part No.
1B30UM

Mouser Part No
845-1B30UM

Altech

Circuit Breakers 30A CRT BRKR BCHAR 1pl UL508

Learn More

Datasheet

15In Stock

Rp626.332

Rp523.595

Rp514.422

Rp412.235

View

Min.: 1
Mult.: 1

Circuit Breakers .3A MCB CChar 1pl 277VAC UL508

1C03UM
Altech
1: Rp672.197
1In Stock
1Expected 03/04/2026

Mfr. Part No.
1C03UM

Mouser Part No
845-1C03UM

Altech

Circuit Breakers .3A MCB CChar 1pl 277VAC UL508

Learn More

Datasheet

1In Stock

1Expected 03/04/2026

Rp672.197

Rp557.535

Rp514.422

Rp426.178

View

Min.: 1
Mult.: 1

Circuit Breakers 10A, C CHAR, 1POLE 277VAC, UL489

1C10UL
Altech
1: Rp615.141
25In Stock
63On Order

Mfr. Part No.
1C10UL

Mouser Part No
845-1C10UL

Altech

Circuit Breakers 10A, C CHAR, 1POLE 277VAC, UL489

Learn More

Datasheet

25In Stock

63On Order

Rp615.141

Rp614.958

Rp605.051

Rp551.664

View

Min.: 1
Mult.: 1

Circuit Breakers 10A MCB CCHAR 1pl 277VAC UL508

1C10UM
Altech
1: Rp436.451
48In Stock

Mfr. Part No.
1C10UM

Mouser Part No
845-1C10UM

Altech

Circuit Breakers 10A MCB CCHAR 1pl 277VAC UL508

Learn More

Datasheet

48In Stock

Rp436.451

Rp412.235

Rp395.356

Rp382.698

View

Min.: 1
Mult.: 1

Circuit Breakers 16A, C CHAR, 1POLE 277VAC, UL489

1C16UL
Altech
1: Rp906.843
5In Stock

Mfr. Part No.
1C16UL

Mouser Part No
845-1C16UL

Altech

Circuit Breakers 16A, C CHAR, 1POLE 277VAC, UL489

Learn More

Datasheet

5In Stock

Rp906.843

Rp752.186

Rp693.846

Rp596.979

View

Min.: 1
Mult.: 1

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

1C20UL
Altech
1: Rp615.141
4In Stock
8Expected 22/05/2026

Mfr. Part No.
1C20UL

Mouser Part No
845-1C20UL

Altech

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

Learn More

Datasheet

4In Stock

8Expected 22/05/2026

Rp615.141

Rp583.770

Rp571.478

Rp560.287

View

Min.: 1
Mult.: 1

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

1C2UL
Altech
1: Rp615.141
8In Stock

Mfr. Part No.
1C2UL

Mouser Part No
845-1C2UL

Altech

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

Learn More

Datasheet

8In Stock

Rp615.141

Rp599.914

Rp534.786

Rp517.908

View

Min.: 1
Mult.: 1

Circuit Breakers 32A, C CHAR, 1POLE 277VAC, UL489

1C32UL
Altech
1: Rp906.843
4In Stock

Mfr. Part No.
1C32UL

Mouser Part No
845-1C32UL

Altech

Circuit Breakers 32A, C CHAR, 1POLE 277VAC, UL489

Learn More

Datasheet

4In Stock

Rp906.843

Rp752.186

Rp693.846

Rp596.979

View

Min.: 1
Mult.: 1

Circuit Breakers 3A MCB CCHAR 1pl 277VAC UL508

1C3UM
Altech
1: Rp436.451
3In Stock

Mfr. Part No.
1C3UM

Mouser Part No
845-1C3UM

Altech

Circuit Breakers 3A MCB CCHAR 1pl 277VAC UL508

Learn More

Datasheet

3In Stock

Rp436.451

Rp423.609

Rp414.253

Rp405.630

Rp395.723

Min.: 1
Mult.: 1

Circuit Breakers 4A MCB CCHAR 1pl 277VAC UL508

1C4UM
Altech
1: Rp672.197
8In Stock

Mfr. Part No.
1C4UM

Mouser Part No
845-1C4UM

Altech

Circuit Breakers 4A MCB CCHAR 1pl 277VAC UL508

Learn More

Datasheet

8In Stock

Rp672.197

Rp557.535

Rp514.422

Rp426.178

View

Min.: 1
Mult.: 1

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

1C6UL
Altech
1: Rp797.684
5In Stock
5Expected 27/07/2026

Mfr. Part No.
1C6UL

Mouser Part No
845-1C6UL

Altech

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

Learn More

Datasheet

5In Stock

5Expected 27/07/2026

Rp797.684

Rp738.060

Rp590.925

Rp549.096

View

Min.: 1
Mult.: 1

Circuit Breakers 6A MCB CCHAR 1pl 277VAC UL508

1C6UM
Altech
1: Rp736.592
14In Stock

Mfr. Part No.
1C6UM

Mouser Part No
845-1C6UM

Altech

Circuit Breakers 6A MCB CCHAR 1pl 277VAC UL508

Learn More

Datasheet

14In Stock

Rp736.592

Rp667.794

Rp523.595

Rp436.451

View

Min.: 1
Mult.: 1

Circuit Breakers 10A D Characteristic UL 508 1 POLE

1D10UM
Altech
1: Rp436.451
32In Stock

Mfr. Part No.
1D10UM

Mouser Part No
845-1D10UM

Altech

Circuit Breakers 10A D Characteristic UL 508 1 POLE

Learn More

Datasheet

32In Stock

Rp436.451

Rp414.436

Rp391.504

Rp378.661

View

Min.: 1
Mult.: 1

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

1D15UL
Altech
1: Rp615.141
11In Stock
12Expected 12/06/2026

Mfr. Part No.
1D15UL

Mouser Part No
845-1D15UL

Altech

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

Learn More

Datasheet

11In Stock

12Expected 12/06/2026

Rp615.141

Rp605.051

Rp584.320

Rp541.390

View

Min.: 1
Mult.: 1

Circuit Breakers 1A D Characteristic UL 508 1 POLE

1D1UM
Altech
1: Rp436.451
3In Stock

Mfr. Part No.
1D1UM

Mouser Part No
845-1D1UM

Altech

Circuit Breakers 1A D Characteristic UL 508 1 POLE

Learn More

Datasheet

3In Stock

Rp436.451

Rp428.012

Rp416.087

Rp403.795

View

Min.: 1
Mult.: 1

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

1D30UL
Altech
1: Rp906.843
1In Stock

Mfr. Part No.
1D30UL

Mouser Part No
845-1D30UL

Altech

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

Learn More

Datasheet

1In Stock

Rp906.843

Rp752.186

Rp693.846

Rp596.979

View

Min.: 1
Mult.: 1

Circuit Breakers 30A D Characteristic UL 508 1 POLE

1D30UM
Altech
1: Rp672.197
4In Stock

Mfr. Part No.
1D30UM

Mouser Part No
845-1D30UM

Altech

Circuit Breakers 30A D Characteristic UL 508 1 POLE

Learn More

Datasheet

4In Stock

Rp672.197

Rp557.535

Rp514.422

Rp426.178

View

Min.: 1
Mult.: 1

Circuit Breakers 40A D Characteristic UL 508 1 POLE

1D40UM
Altech
1: Rp750.718
11In Stock
1Expected 12/05/2026

Mfr. Part No.
1D40UM

Mouser Part No
845-1D40UM

Altech

Circuit Breakers 40A D Characteristic UL 508 1 POLE

Learn More

Datasheet

11In Stock

1Expected 12/05/2026

Rp750.718

Rp622.663

Rp574.413

Rp481.399

View

Min.: 1
Mult.: 1

Circuit Breakers 5A, D CHAR, 1POLE 277VAC, UL489

1D5UL
Altech
1: Rp615.141
5In Stock

Mfr. Part No.
1D5UL

Mouser Part No
845-1D5UL

Altech

Circuit Breakers 5A, D CHAR, 1POLE 277VAC, UL489

Learn More

Datasheet

5In Stock

Rp615.141

Rp594.594

Rp582.486

Rp570.377

View

Min.: 1
Mult.: 1

Circuit Breakers 4A CRT BRKR ECHAR 277VAC UL508

1E4UM
Altech
1: Rp626.332
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

Rp626.332

Rp523.595

Rp436.451

Rp412.235

View

Min.: 1
Mult.: 1

Altech Circuit Breakers & Accessories

Types of Circuit Breakers & Accessories

Customer Service Office

Company

Resources

Support