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TeSys DF, LS1/GK1

Fuse-carriers to protect from short-circuits motors up to 125 A (55 kW / 400 V)

Part of TeSys

TeSys DF, LS1/GK1 is a complete range of fuse carriers from 0.5 to 125 A that is designed for a wide variety of applications up to 690 V.

TeSys DF, LS1/GK1
  • Features

    Modular in design, TeSys DF, LS1/GK1 fuse carriers are designed to meet a variety of needs. The solution is available in multiple versions and with a wide range of options.


    • NFC or CC fuses available
    • High breaking capacity
    • 120 kA/500 V and 80 kA/690 V (depending on fuse size used)
    • 1-4 pole versions (with or without light indicator for blown fuse)
    • 1 pole or 1 pole + neutral
    • 2 pole
    • 3 pole or 3 pole + neutral
    • 4 pole
    • Cylindrical cartridge fuse sizes:
    • 5 x 31.5
    • 10 x 38
    • 14 x 51
    • 22 x 58
    • IP2X protection against direct finger contact
    • LS1D compatible for Quickfit mounting (can be equipped with a side handle)
    • Ergonomic handle for easier opening
    • Dual positions locking system for easy DIN-rail mounting
    • Conforms to the European Restriction of Hazardous Substances (RoHS) directive


    Simple and effective, the TeSys DF, LS1/GK1 range of fuse carriers provides a cost-effective, reliable solution to protect your low voltage equipment against short-circuits.

    Ensure Safety

    • Prevent damage to your installation
    • Reduce risk for equipment and personnel

    Increase efficiency

    • Improve production uptime


    The TeSys DF, LS1/GK1 range of fuse carriers can be used for a wide variety of applications across industry, infrastructure, and building. The devices are specifically designed for electrical installations, including distribution, control, or motor starters.

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