Maintenance and Safety Switches

    Maintenance and Safety Switches

    Main Switches with Emergency Function in Enclosure

    Maintenance and Safety Switches consist of switch disconnectors equipped in high strength durable plastic enclosures which are designed with extra space for easy wiring. The enclosures are totally insulated according to IEC 364-4-41, HD 384.4.41 S2 and VDE 0100-410. Each enclosure has either knock-outs for metric threads according to EN 50262 or metric threaded conduit entries on top and bottom. Safety switch interlocks with lid to prevent opening in 'ON' position are supplied with enclosures.

    • All enclosures are IP66/67 protected.
    • Main switches are equipped with electro-gray or black handles.
    • Main switches with emergency function are supplied with red handle and contrasting yellow face plate.
    • Maintenance and safety switch enclosures are available with high UV-resistance or against an aggressive environment.
    • All enclosures are equipped with a ground terminal.
    • Auxiliary contacts close after the main contacts close and open before main contacts open.


    Catalogue: Maintenance Switches for EMC-compliant connection
    Catalogue 150: KG/KH-Switches: 20 A – 315 A
    Catalogue 500: Main Switches and Maintenance Switches
    Catalogue: KF-Switches up to 32 A

    up to 15 kW

    Main Features:

    • threaded M25 conduit entries
    • IP66/67 protection
    • with or without cover interlock
    • strong durable plastic material
    • integrated padlock device
    • EMC compatible connection upon request


    Catalogue 150: KG/KH-Switches


    > Technical Data

    up to 37 kW

    Main Features:

    • knock-out entries
    • IP66/67 protection
    • with or without cover interlock
    • strong durable plastic material
    • integrated padlock device
    • EMC compatible connection upon request


    Catalogue 150: KG/KH-Switches: 20A – 315A
    Catalogue 500: Main Switches and Maintenance Switches

    > Technical Data

    up to 132 kW

    Main Features:

    • threaded conduit entries
    • IP66/67 protection
    • with or without cover interlock
    • strong durable plastic material
    • integrated padlock device
    • EMC compatible connection upon request


    Catalogue 150: KG/KH-Switches: 20 A – 315 A
    Catalogue 500: Main Switches and Maintenance Switches

    > Technical Data