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Semiconductor Fuse Blocks

SPECIFICATIONS

Voltage Rating: 600 Volts

Ampere Range: 1 – 600 amperes

Approvals: UL Recognized under the components program

Insulator Base: 150° C general purpose phenolic

Box Lug Terminal: Tin plated aluminum

ORDERING INFORMATION

Littelfuse’s 1LS series modular style semiconductor fuse

blocks accommodate a wide range of semiconductor fuses.

Blocks are provided in pairs with fuse mounting hardware.

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2-piece modular design

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General purpose phenolic base

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Tin plated aluminum box lugs

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Dove-tailed interlocking feature (1LS101 only)

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Hex-head bolts and Belleville washers provided

DIMENSIONS

Littelfuse

Ampere

Wire

Torque

Approvals

Catalog No. Rating

Range

Rating

1LS101

100A

#2/0 - 14 CU/AL

120 IN. LBS. UL Recognized

1LS102

400A

250MCM - #6 CU/AL 275 IN. LBS. UL Recognized

1LS103

400A

250MCM - #6 CU/AL 275 IN. LBS. UL Recognized

1LS104

600A

500MCM - #6 CU/AL 375 IN. LBS. UL Recognized

1LS108

400A

250MCM - #6 CU/AL 275 IN. LBS. Self-Certified

1LS109

400A

250MCM - #6 CU/AL 275 IN. LBS. Self-Certified

1LS110

400A

250MCM - #6 CU/AL 275 IN. LBS. Self-Certified

1LS101

1LS102

Dimensions for reference only.

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