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Overview

Fully potted MICRO SWITCH HDLS heavy-duty limit switches provide an extra degree of protection in harsh environments by sealing the basic switch cavity with epoxy. These switches are the same as the non- plug-in HDLS except that the entire switch cavity is filled with epoxy in addition to the conduit entrance. The fully potted HDLS switches are pre-leaded, with either cable or connectors.


  • Excellent sealing capability for harsh-duty food and beverage wash downs and severe machine tool environments
  • Diaphragm sealing
  • 12 inch STOOW-A cable (other lengths available) or connector version
  • Cable versions: NEMA 1, 6, 6P, 12
  • Connector versions: NEMA 1, 6, 6P, 12, 13
  • All fluorocarbon seals (low temperature fluorosilicone seals available)
  • UL, CSA, CE, CCC
  • Documents

    TITLE DOCUMENT TYPE LANGUAGE SIZE
    MICRO SWITCH HDLS Heavy-Duty Limit Switches (LS Series) Datasheet English 9MB
    PK 81116: HDLS Heavy Duty Limit Switch Installation Instructions English 443KB
    PK 8119: Heavy Duty LS Limit Switch with Gold Plated Contacts Installation Instructions English 61KB
    MICRO SWITCH Limit Switches Comparison Product Range Guide English 460KB
    Sensors and Switches in Mobile Cranes Application Note English 194KB
    Heavy Duty Limit Switches HDLS Series Epoxied Catalog Information English 532KB
    Sensors and Switches in Oil Rig Applications Application Note English 7MB
    Solid Waste Management and Disposal Application Note English 2MB
    Oil and Gas Brochure Brochure English 4MB
    Industrial Product Line Card Line Card/Selection Chart English 571KB
    Limit Switches and Machine Safety Range Guide Product Range Guide English 22MB
    White Paper: Impacts of Shock and Vibration on a Limit Switch White Paper English 4MB
    MICRO SWITCH Limit Switch Line Guide Product Line Guide English 771KB

    Browse HDLS Fully Potted Series Products

    Product Actuator Sealing Termination Type Housing Material
    LSYAB3KE-FP Side Rotary NEMA 1, 3, 4, 6, 6P, 12, 13 6 foot Cable Zinc Die-Cast
    LSYAB3KP-FP Side Rotary NEMA 1, 3, 4, 6, 6P, 12, 13 12 foot Cable Zinc Die-Cast
    LSYAB3KPC-FP Side Rotary NEMA 1, 3, 4, 6, 6P, 12, 13 20 foot Cable Zinc Die-Cast
    LSYAB3KQ-FP Side Rotary NEMA 1, 3, 4, 6, 6P, 12, 13 5-Pin Mini-Connector Zinc Die-Cast
    LSYAB4LX-FP Side Rotary NEMA 1, 3, 4, 6, 6P, 12, 13 12 foot Cable Zinc Die-Cast
    LSYAC3KC-FP Side Rotary NEMA 1, 3, 4, 6, 6P, 12, 13 6 foot Cable Zinc Die-Cast
    LSYAC3KDD-FP Side Rotary NEMA 1, 3, 4, 6, 6P, 12, 13 4-Pin Micro-Connector Zinc Die-Cast
    LSYAC3KP-FP Side Rotary NEMA 1, 3, 4, 6, 6P, 12, 13 12 foot Cable Zinc Die-Cast
    LSYAC3KPB-FP Side Rotary NEMA 1, 3, 4, 6, 6P, 12, 13 30 foot Cable Zinc Die-Cast
    LSYAC3KPC-FP Side Rotary NEMA 1, 3, 4, 6, 6P, 12, 13 20 foot Cable Zinc Die-Cast