.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 10A, D CHAR, 1POLE 277VAC, UL489

1D10UL
Altech
1: Rp615.141
5In Stock

Mfr. Part No.
1D10UL

Mouser Part No
845-1D10UL

Altech

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

Learn More

Datasheet

5In Stock

Rp615.141

Rp596.979

Rp578.816

Rp567.258

View

Min.: 1
Mult.: 1

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

1D20UL
Altech
1: Rp615.141
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

Rp615.141

Rp611.656

Rp596.795

Quote

Min.: 1
Mult.: 1

Circuit Breakers 2A D Characteristic UL 508 1 POLE

1D2UM
Altech
1: Rp436.451
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

Rp436.451

Rp436.268

Rp403.795

Rp388.201

View

Min.: 1
Mult.: 1

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

1D6UR
Altech
1: Rp414.069
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

Rp414.069

Rp327.476

Rp299.040

Rp283.813

View

Min.: 1
Mult.: 1

Circuit Breakers 10A CRT BRKR ECHAR 277VAC UL508

1E10UM
Altech
1: Rp626.332
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

Rp626.332

Rp523.595

Rp436.451

Rp414.987

View

Min.: 1
Mult.: 1

Circuit Breakers 13A CRT BRKR ECHAR 277VAC UL508

1E13UM
Altech
1: Rp436.451
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

Rp436.451

Rp412.235

Rp395.356

Rp382.698

View

Min.: 1
Mult.: 1

Circuit Breakers 10A G Characteristic UL 508 1 POLE

1G10UM
Altech
1: Rp672.197
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

Rp672.197

Rp557.535

Rp514.422

Rp426.178

View

Min.: 1
Mult.: 1

Circuit Breakers 20A G Characteristic UL 508 1 POLE

1G20UM
Altech
1: Rp436.451
6In Stock

Mfr. Part No.
1G20UM

Mouser Part No
845-1G20UM

Altech

Circuit Breakers 20A G Characteristic UL 508 1 POLE

Learn More

Datasheet

6In Stock

Rp436.451

Rp436.268

Rp379.946

Rp366.920

View

Min.: 1
Mult.: 1

Circuit Breakers 25A G Characteristic UL 508 1 POLE

1G25UM
Altech
1: Rp672.197
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

Rp672.197

Rp557.535

Rp514.422

Rp426.178

View

Min.: 1
Mult.: 1

Circuit Breakers 6A G Characteristic UL 508 1 POLE

1G6UM
Altech
1: Rp431.314
10In Stock

Mfr. Part No.
1G6UM

Mouser Part No
845-1G6UM

Altech

Circuit Breakers 6A G Characteristic UL 508 1 POLE

Learn More

Datasheet

10In Stock

Rp431.314

Rp413.152

Rp410.033

Rp405.630

View

Min.: 1
Mult.: 1

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

1P16UL3/12
Altech
1: Rp501.213
26In Stock

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

26In Stock

Rp501.213

Rp454.064

Rp453.697

Rp357.013

View

Min.: 1
Mult.: 1

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

1P16UL3/6
Altech
1: Rp278.859
3In Stock
30Expected 05/03/2026

Mfr. Part No.
1P16UL3/6

Mouser Part No
845-1P16UL3/6

Altech

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

Learn More

Datasheet

3In Stock

30Expected 05/03/2026

Rp278.859

Rp277.025

Rp230.976

Rp226.390

View

Min.: 1
Mult.: 1

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

1P18U1/12
Altech
1: Rp337.199
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

Rp337.199

Rp301.792

Rp246.570

Rp232.077

View

Min.: 1
Mult.: 1

Circuit Breaker Accessories 3Pin3x1Pole50.3mm 1 PhaseBusbar

1P18U1/3
Altech
1: Rp137.962
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

Rp137.962

Rp135.210

Rp128.789

Rp121.817

View

Min.: 1
Mult.: 1

Circuit Breaker Accessories 1 PH BUSBAR 18sqmm 57 LUGS

1P18U1/57
Altech
1: Rp1.021.689
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

Rp1.021.689

Rp788.328

Rp684.122

Rp661.557

View

Min.: 1
Mult.: 1

Circuit Breakers 16A Z Characteristic UL 508 1 POLE

1Z16UM
Altech
1: Rp1.125.527
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

Rp1.125.527

Rp933.811

Rp861.345

Rp712.926

View

Min.: 1
Mult.: 1

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

2C15UL
Altech
1: Rp1.230.099
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

Rp1.230.099

Rp1.229.916

Rp1.097.274

View

Min.: 1
Mult.: 1

Circuit Breakers 15A CRT BRKR CCHAR 277VAC UL508

2C15UM
Altech
1: Rp1.257.985
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

Rp1.257.985

Rp1.043.704

Rp962.615

Rp796.767

View

Min.: 1
Mult.: 1

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

2C1UM
Altech
1: Rp1.212.120
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

Rp1.212.120

Rp1.043.704

Rp865.564

Rp791.813

View

Min.: 1
Mult.: 1

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

2C20UM
Altech
1: Rp1.257.985
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

Rp1.257.985

Rp1.043.704

Rp962.615

Rp796.767

View

Min.: 1
Mult.: 1

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

2C32UL
Altech
1: Rp1.560.511
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

Rp1.560.511

Rp1.423.099

Rp1.324.581

Rp1.170.108

View

Min.: 1
Mult.: 1

Circuit Breakers 0.3A, D CHAR, 2POLE 480Y/277VAC,UL489

2D03UL
Altech
1: Rp1.694.437
6In Stock

Mfr. Part No.
2D03UL

Mouser Part No
845-2D03UL

Altech

Circuit Breakers 0.3A, D CHAR, 2POLE 480Y/277VAC,UL489

Learn More

Datasheet

6In Stock

Rp1.694.437

Rp1.417.412

Rp1.342.927

Rp1.119.106

View

Min.: 1
Mult.: 1

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

2D30UM
Altech
1: Rp873.270
10In Stock

Mfr. Part No.
2D30UM

Mouser Part No
845-2D30UM

Altech

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

Learn More

Datasheet

10In Stock

Rp873.270

Rp818.782

Rp791.997

Rp770.899

View

Min.: 1
Mult.: 1

Circuit Breakers 5A,MCB D CHAR 2PL 480Y/277VAC, UL1077

2D5UR
Altech
1: Rp965.367
7In Stock

Mfr. Part No.
2D5UR

Mouser Part No
845-2D5UR

Altech

Circuit Breakers 5A,MCB D CHAR 2PL 480Y/277VAC, UL1077

Learn More

Datasheet

7In Stock

Rp965.367

Rp800.803

Rp738.793

Rp635.505

View

Min.: 1
Mult.: 1

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

2G25UM
Altech
1: Rp1.257.985
1In Stock

Mfr. Part No.
2G25UM

Mouser Part No
845-2G25UM

Altech

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

Learn More

Datasheet

1In Stock

Rp1.257.985

Rp1.043.704

Rp962.615

Rp796.767

View

Min.: 1
Mult.: 1

Altech Circuit Breakers & Accessories

Types of Circuit Breakers & Accessories

Customer Service Office

Company

Resources

Support