.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: 5,183

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 Earth Leakage CB 40A, 30mA, 2p

09134601
Altech
1: ¥33,776.4
11Factory Stock Available

Mfr. Part #
09134601

Mouser Part #
845-09134601

Altech

Circuit Breakers Earth Leakage CB 40A, 30mA, 2p

Datasheet

11Factory Stock Available

More Info Available

¥33,776.4

¥33,774.8

¥32,020.8

View

Min.: 1
Mult.: 1

Circuit Breakers Earth Leakage CB 40A, 300mA, 2p

09136601
Altech
1: ¥46,129.3
8Factory Stock Available

Mfr. Part #
09136601

Mouser Part #
845-09136601

Altech

Circuit Breakers Earth Leakage CB 40A, 300mA, 2p

8Factory Stock Available

More Info Available

¥46,129.3

¥38,232.9

¥35,243.1

¥29,117.3

Min.: 1
Mult.: 1

Circuit Breakers Earth Leakage CB 63A, 30mA, 2p

09144601
Altech
1: ¥60,845.8
4Factory Stock Available

Mfr. Part #
09144601

Mouser Part #
845-09144601

Altech

Circuit Breakers Earth Leakage CB 63A, 30mA, 2p

Datasheet

4Factory Stock Available

More Info Available

¥60,845.8

¥50,431.3

¥46,488.1

¥38,407.3

Min.: 1
Mult.: 1

Circuit Breakers Earth Leakage CB 63A, 300mA, 4p

09146911
Altech
1: ¥74,818.1
2Factory Stock Available

Mfr. Part #
09146911

Mouser Part #
845-09146911

Altech

Circuit Breakers Earth Leakage CB 63A, 300mA, 4p

2Factory Stock Available

More Info Available

¥74,818.1

¥61,978.6

¥57,120.1

Min.: 1
Mult.: 1

Circuit Breaker Accessories Endcap for 18/25sqmm Busbar,

18/25CAP1P
Altech
1: ¥345.5
1,194Factory Stock Available

Mfr. Part #
18/25CAP1P

Mouser Part #
845-1825CAP1P

Altech

Circuit Breaker Accessories Endcap for 18/25sqmm Busbar,

Learn More

1,194Factory Stock Available

More Info Available

¥345.5

¥335.5

¥325.6

¥274.1

View

Min.: 1
Mult.: 1

Circuit Breaker Accessories Insulation for18/25sqmm Busbar

18/25INS3P
Altech
1: ¥4,672.4
41Factory Stock Available

Mfr. Part #
18/25INS3P

Mouser Part #
845-1825INS3P

Altech

Circuit Breaker Accessories Insulation for18/25sqmm Busbar

Learn More

Datasheet

41Factory Stock Available

More Info Available

¥4,672.4

¥4,388.4

¥4,233.9

¥4,099.3

View

Min.: 1
Mult.: 1

Circuit Breaker Accessories Insulation for18sqmm Busbar

18INS1P
Altech
1: ¥2,390.2
5Factory Stock Available

Mfr. Part #
18INS1P

Mouser Part #
845-18INS1P

Altech

Circuit Breaker Accessories Insulation for18sqmm Busbar

Learn More

5Factory Stock Available

More Info Available

¥2,390.2

¥2,244

¥2,165.9

¥2,069.6

Quote

Min.: 1
Mult.: 1

Circuit Breakers 1.6.A MCB B Char 1 pl 277VAC UL508

1B1.6UM
Altech
1: ¥6,085.9
8Factory Stock Available

Mfr. Part #
1B1.6UM

Mouser Part #
845-1B1.6UM

Altech

Circuit Breakers 1.6.A MCB B Char 1 pl 277VAC UL508

Learn More

Datasheet

8Factory Stock Available

More Info Available

¥6,085.9

¥5,047.8

¥4,657.4

¥3,858.5

View

Min.: 1
Mult.: 1

Circuit Breakers 10A MCB B Char 1pl 277VAC UL508

1B10UM
Altech
1: ¥6,085.9
114Factory Stock Available

Mfr. Part #
1B10UM

Mouser Part #
845-1B10UM

Altech

Circuit Breakers 10A MCB B Char 1pl 277VAC UL508

Learn More

Datasheet

114Factory Stock Available

More Info Available

¥6,085.9

¥5,047.8

¥4,657.4

¥3,858.5

View

Min.: 1
Mult.: 1

Circuit Breakers 1 POLE, 277VAC UL1077

1B10UR
Altech
1: ¥4,644.2
115Factory Stock Available

Mfr. Part #
1B10UR

Mouser Part #
845-1B10UR

Altech

Circuit Breakers 1 POLE, 277VAC UL1077

Learn More

Datasheet

115Factory Stock Available

More Info Available

¥4,644.2

¥3,853.5

¥3,554.5

¥2,945

View

Min.: 1
Mult.: 1

Circuit Breakers 12A,MCB B CHAR 1 PL, 277VAC, UL1077

1B12UR
Altech
1: ¥4,644.2
35Factory Stock Available

Mfr. Part #
1B12UR

Mouser Part #
845-1B12UR

Altech

Circuit Breakers 12A,MCB B CHAR 1 PL, 277VAC, UL1077

Learn More

Datasheet

35Factory Stock Available

More Info Available

¥4,644.2

¥3,853.5

¥3,554.5

¥2,945

View

Min.: 1
Mult.: 1

Circuit Breakers 13A,MCB B CHAR 1 PL, 277VAC, UL1077

1B13UR
Altech
1: ¥4,644.2
15Factory Stock Available

Mfr. Part #
1B13UR

Mouser Part #
845-1B13UR

Altech

Circuit Breakers 13A,MCB B CHAR 1 PL, 277VAC, UL1077

Learn More

Datasheet

15Factory Stock Available

More Info Available

¥4,644.2

¥3,853.5

¥3,554.5

¥2,945

View

Min.: 1
Mult.: 1

Circuit Breakers 16A MCB B Char 1pl 277VAC UL508

1B16UM
Altech
1: ¥3,951.5
104Factory Stock Available

Mfr. Part #
1B16UM

Mouser Part #
845-1B16UM

Altech

Circuit Breakers 16A MCB B Char 1pl 277VAC UL508

Learn More

Datasheet

104Factory Stock Available

More Info Available

¥3,951.5

¥3,843.6

¥3,692.4

¥3,572.8

View

Min.: 1
Mult.: 1

Circuit Breakers 16A,MCB B CHAR 1 PL, 277VAC, UL1077

1B16UR
Altech
1: ¥4,644.2
1Factory Stock Available

Mfr. Part #
1B16UR

Mouser Part #
845-1B16UR

Altech

Circuit Breakers 16A,MCB B CHAR 1 PL, 277VAC, UL1077

Learn More

Datasheet

1Factory Stock Available

More Info Available

¥4,644.2

¥3,853.5

¥3,554.5

¥2,945

View

Min.: 1
Mult.: 1

Circuit Breakers 1A MCB B Char 1 pl 277VAC UL508

1B1UM
Altech
1: ¥6,085.9
67Factory Stock Available

Mfr. Part #
1B1UM

Mouser Part #
845-1B1UM

Altech

Circuit Breakers 1A MCB B Char 1 pl 277VAC UL508

Learn More

Datasheet

67Factory Stock Available

More Info Available

¥6,085.9

¥5,047.8

¥4,657.4

¥3,858.5

View

Min.: 1
Mult.: 1

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

1B1UR
Altech
1: ¥4,644.2
19Factory Stock Available

Mfr. Part #
1B1UR

Mouser Part #
845-1B1UR

Altech

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

Learn More

Datasheet

19Factory Stock Available

More Info Available

¥4,644.2

¥3,853.5

¥3,554.5

¥2,945

View

Min.: 1
Mult.: 1

Circuit Breakers 1B2.5UM, 2.5A, CIRCUIT BREAKER

1B2.5UM
Altech
1: ¥6,085.9
7Factory Stock Available

Mfr. Part #
1B2.5UM

Mouser Part #
845-1B2.5UM

Altech

Circuit Breakers 1B2.5UM, 2.5A, CIRCUIT BREAKER

Learn More

Datasheet

7Factory Stock Available

More Info Available

¥6,085.9

¥5,047.8

¥4,657.4

¥3,858.5

View

Min.: 1
Mult.: 1

Circuit Breakers 20A,MCB B CHAR 1 PL, 277VAC, UL1077

1B20UR
Altech
1: ¥4,644.2
80Factory Stock Available

Mfr. Part #
1B20UR

Mouser Part #
845-1B20UR

Altech

Circuit Breakers 20A,MCB B CHAR 1 PL, 277VAC, UL1077

Learn More

Datasheet

80Factory Stock Available

More Info Available

¥4,644.2

¥3,853.5

¥3,554.5

¥2,945

View

Min.: 1
Mult.: 1

Circuit Breakers 25A MCB B Char 1pl 277VAC UL508

1B25UM
Altech
1: ¥3,951.5
15Factory Stock Available

Mfr. Part #
1B25UM

Mouser Part #
845-1B25UM

Altech

Circuit Breakers 25A MCB B Char 1pl 277VAC UL508

Learn More

Datasheet

15Factory Stock Available

More Info Available

¥3,951.5

¥3,732.3

¥3,579.5

¥3,464.8

View

Min.: 1
Mult.: 1

Circuit Breakers 2A MCB B Char 1 pl UL508

1B2UM
Altech
1: ¥3,951.5
6Factory Stock Available

Mfr. Part #
1B2UM

Mouser Part #
845-1B2UM

Altech

Circuit Breakers 2A MCB B Char 1 pl UL508

Learn More

Datasheet

6Factory Stock Available

More Info Available

¥3,951.5

¥3,732.3

¥3,579.5

¥3,464.8

View

Min.: 1
Mult.: 1

Circuit Breakers 30A,MCB B CHAR 1 PL, 277VAC, UL1077

1B30UR
Altech
1: ¥4,644.2
30Factory Stock Available

Mfr. Part #
1B30UR

Mouser Part #
845-1B30UR

Altech

Circuit Breakers 30A,MCB B CHAR 1 PL, 277VAC, UL1077

Learn More

Datasheet

30Factory Stock Available

More Info Available

¥4,644.2

¥3,853.5

¥3,554.5

¥2,945

View

Min.: 1
Mult.: 1

Circuit Breakers 32A,MCB B CHAR 1 PL, 277VAC, UL1077

1B32UR
Altech
1: ¥4,644.2
37Factory Stock Available

Mfr. Part #
1B32UR

Mouser Part #
845-1B32UR

Altech

Circuit Breakers 32A,MCB B CHAR 1 PL, 277VAC, UL1077

Learn More

Datasheet

37Factory Stock Available

More Info Available

¥4,644.2

¥3,853.5

¥3,554.5

¥2,945

View

Min.: 1
Mult.: 1

Circuit Breakers 3A,MCB B CHAR 1 PL, 277VAC, UL1077

1B3UR
Altech
1: ¥4,644.2
107Factory Stock Available

Mfr. Part #
1B3UR

Mouser Part #
845-1B3UR

Altech

Circuit Breakers 3A,MCB B CHAR 1 PL, 277VAC, UL1077

Learn More

Datasheet

107Factory Stock Available

More Info Available

¥4,644.2

¥3,853.5

¥3,554.5

¥2,945

View

Min.: 1
Mult.: 1

Circuit Breakers 40A,MCB B CHAR 1 PL, 277VAC, UL1077

1B40UR
Altech
1: ¥4,926.5
17Factory Stock Available

Mfr. Part #
1B40UR

Mouser Part #
845-1B40UR

Altech

Circuit Breakers 40A,MCB B CHAR 1 PL, 277VAC, UL1077

Learn More

Datasheet

17Factory Stock Available

More Info Available

¥4,926.5

¥4,087.7

¥3,770.5

¥3,124.3

View

Min.: 1
Mult.: 1

Circuit Breakers 4A MCB B Char 1 pl 277V UL 508

1B4UM
Altech
1: ¥3,951.5
25Factory Stock Available

Mfr. Part #
1B4UM

Mouser Part #
845-1B4UM

Altech

Circuit Breakers 4A MCB B Char 1 pl 277V UL 508

Learn More

Datasheet

25Factory Stock Available

More Info Available

¥3,951.5

¥3,732.3

¥3,579.5

¥3,464.8

View

Min.: 1
Mult.: 1