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    Limit Switches

    HDLS Fully Potted Series

    Rugged metal, epoxy sealed housing. Non-plug in. NEMA 1, 3, 4, 6, 6P, 12, 13 sealing. 30 mm x 60 mm mounting centers. UL/CSA approvals

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    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
    Data Sheet
    Name
    Description
    File Size
    Date
    Size
    MICRO SWITCH HDLS Heavy-Duty Factory Sealed Limit Switches (LSY-FP Series)
    MICRO SWITCH HDLS Heavy-Duty Factory Sealed Limit Switches (LSY-FP Series)
    application/pdf 9.76 MB
    11/17/2022
    9.76 MB
    Manuals and Guides
    Name
    Description
    File Size
    Date
    Size
    Limit Switches and Machine Safety Product Range Guide
    Limit Switches and Machine Safety Product Range Guide
    application/pdf 7.98 MB
    11/17/2022
    7.98 MB
    PK 8119: Heavy Duty LS Limit Switch with Gold Plated Contacts
    PK 8119: Heavy Duty LS Limit Switch with Gold Plated Contacts
    application/pdf 61.38 KB
    7/16/2021
    61.38 KB
    Installation Instructions
    Name
    Description
    File Size
    Date
    Size
    PK 80112: Installation Instructions for Products with Conduit Openings
    PK 80112: Installation Instructions for Products with Conduit Openings
    application/pdf 347.13 KB
    7/16/2021
    347.13 KB
    PK 81116: HDLS Heavy Duty Limit Switch
    PK 81116: HDLS Heavy Duty Limit Switch
    application/pdf 2.24 MB
    12/12/2022
    2.24 MB
    Brochure
    Name
    Description
    File Size
    Date
    Size
    MICRO SWITCH Limit Switch Heavy-Duty Comparison
    MICRO SWITCH Limit Switch Heavy-Duty Comparison
    application/pdf 767.47 KB
    4/8/2024
    767.47 KB
    MICRO SWITCH Limit Switches Comparison
    MICRO SWITCH Limit Switches Comparison
    application/pdf 556.08 KB
    4/8/2024
    556.08 KB
    Industrial Applications: Going Beyond Limits
    Industrial Applications: Going Beyond Limits
    application/pdf 16.69 MB
    11/17/2022
    16.69 MB
    Oil and Gas Brochure
    Oil and Gas Brochure
    application/pdf 2.46 MB
    12/16/2024
    2.46 MB
    Technical Note
    Name
    Description
    File Size
    Date
    Size
    Industrial Product Line Card
    Industrial Product Line Card --
    application/pdf 2.24 MB
    10/25/2022
    2.24 MB
    White Paper
    Name
    Description
    File Size
    Date
    Size
    White Paper: Impacts of Shock and Vibration on a Limit Switch
    White Paper: Impacts of Shock and Vibration on a Limit Switch
    application/pdf 2.31 MB
    9/23/2022
    2.31 MB
    Why Limit Switches? A Straight-Forward Switching Solution
    Why Limit Switches? A Straight-Forward Switching Solution
    application/pdf 986.65 KB
    7/16/2021
    986.65 KB
    Catalog
    Name
    Description
    File Size
    Date
    Size
    Heavy Duty Limit Switches HDLS Series Epoxied
    Heavy Duty Limit Switches HDLS Series Epoxied
    application/pdf 539.5 KB
    7/16/2021
    539.5 KB
    Application Note
    Name
    Description
    File Size
    Date
    Size
    Agricultural Vehicles
    Agricultural Vehicles
    application/pdf 1.11 MB
    4/11/2024
    1.11 MB
    Switches and Sensors Solutions for Industrial Applications
    Switches and Sensors Solutions for Industrial Applications -
    application/pdf 2.48 MB
    5/24/2023
    2.48 MB
    Sensors and Switches in Mobile Cranes
    Sensors and Switches in Mobile Cranes
    application/pdf 1.97 MB
    12/20/2022
    1.97 MB
    Sensors and Switches in Oil Rig Applications
    Exploded view diagram of Honeywell sensors and switches in oil rig applications
    application/pdf 6.36 MB
    12/12/2024
    6.36 MB
    MICRO SWITCH Limit Switches: Keep Trains Moving on Track
    MICRO SWITCH Limit Switches: Keep Trains Moving on Track
    application/pdf 1.16 MB
    7/16/2021
    1.16 MB
    Construction Vehicles
    Construction Vehicles -
    application/pdf 984.29 KB
    12/20/2022
    984.29 KB
    Solid Waste Management and Disposal
    Solid Waste Management & Disposal
    application/pdf 4.91 MB
    11/18/2024
    4.91 MB
    eBook
    Name
    Description
    File Size
    Date
    Size
    High-Performing Solutions for Rugged Environments
    Redefining Road Rail & Rugged Applications
    application/pdf 28.35 MB
    12/20/2022
    28.35 MB
    Product Photo
    Name
    Description
    File Size
    Date
    Size
    LSYAC5KP-FP highres photo
    LSYAC5KP-FP highres photo
    image/jpeg 223.79 KB
    7/16/2021
    223.79 KB
    LSYAC3KP-FP highres photo
    LSYAC3KP-FP highres photo
    image/jpeg 535.2 KB
    7/16/2021
    535.2 KB
    LSYAC3KP-FP lowres photo
    LSYAC3KP-FP lowres photo
    image/jpeg 64.74 KB
    7/16/2021
    64.74 KB
    LSYAC5KP-FP lowres photo
    LSYAC5KP-FP lowres photo
    image/jpeg 56.44 KB
    7/16/2021
    56.44 KB
    Name
    Description
    File Size
    Date
    Size
    PK 80112: Installation Instructions for Products with Conduit Openings
    PK 80112: Installation Instructions for Products with Conduit Openings
    application/pdf 347.13 KB
    7/16/2021
    347.13 KB
    LSYAC5KP-FP highres photo
    LSYAC5KP-FP highres photo
    image/jpeg 223.79 KB
    7/16/2021
    223.79 KB
    LSYAC3KP-FP highres photo
    LSYAC3KP-FP highres photo
    image/jpeg 535.2 KB
    7/16/2021
    535.2 KB
    LSYAC3KP-FP lowres photo
    LSYAC3KP-FP lowres photo
    image/jpeg 64.74 KB
    7/16/2021
    64.74 KB
    LSYAC5KP-FP lowres photo
    LSYAC5KP-FP lowres photo
    image/jpeg 56.44 KB
    7/16/2021
    56.44 KB
    MICRO SWITCH Limit Switch Heavy-Duty Comparison
    MICRO SWITCH Limit Switch Heavy-Duty Comparison
    application/pdf 767.47 KB
    4/8/2024
    767.47 KB
    MICRO SWITCH Limit Switches Comparison
    MICRO SWITCH Limit Switches Comparison
    application/pdf 556.08 KB
    4/8/2024
    556.08 KB
    Industrial Applications: Going Beyond Limits
    Industrial Applications: Going Beyond Limits
    application/pdf 16.69 MB
    11/17/2022
    16.69 MB
    High-Performing Solutions for Rugged Environments
    Redefining Road Rail & Rugged Applications
    application/pdf 28.35 MB
    12/20/2022
    28.35 MB
    Agricultural Vehicles
    Agricultural Vehicles
    application/pdf 1.11 MB
    4/11/2024
    1.11 MB
    Switches and Sensors Solutions for Industrial Applications
    Switches and Sensors Solutions for Industrial Applications -
    application/pdf 2.48 MB
    5/24/2023
    2.48 MB
    Limit Switches and Machine Safety Product Range Guide
    Limit Switches and Machine Safety Product Range Guide
    application/pdf 7.98 MB
    11/17/2022
    7.98 MB
    Sensors and Switches in Mobile Cranes
    Sensors and Switches in Mobile Cranes
    application/pdf 1.97 MB
    12/20/2022
    1.97 MB
    Industrial Product Line Card
    Industrial Product Line Card --
    application/pdf 2.24 MB
    10/25/2022
    2.24 MB
    Heavy Duty Limit Switches HDLS Series Epoxied
    Heavy Duty Limit Switches HDLS Series Epoxied
    application/pdf 539.5 KB
    7/16/2021
    539.5 KB
    PK 81116: HDLS Heavy Duty Limit Switch
    PK 81116: HDLS Heavy Duty Limit Switch
    application/pdf 2.24 MB
    12/12/2022
    2.24 MB
    Sensors and Switches in Oil Rig Applications
    Exploded view diagram of Honeywell sensors and switches in oil rig applications
    application/pdf 6.36 MB
    12/12/2024
    6.36 MB
    MICRO SWITCH HDLS Heavy-Duty Factory Sealed Limit Switches (LSY-FP Series)
    MICRO SWITCH HDLS Heavy-Duty Factory Sealed Limit Switches (LSY-FP Series)
    application/pdf 9.76 MB
    11/17/2022
    9.76 MB
    MICRO SWITCH Limit Switches: Keep Trains Moving on Track
    MICRO SWITCH Limit Switches: Keep Trains Moving on Track
    application/pdf 1.16 MB
    7/16/2021
    1.16 MB
    White Paper: Impacts of Shock and Vibration on a Limit Switch
    White Paper: Impacts of Shock and Vibration on a Limit Switch
    application/pdf 2.31 MB
    9/23/2022
    2.31 MB
    PK 8119: Heavy Duty LS Limit Switch with Gold Plated Contacts
    PK 8119: Heavy Duty LS Limit Switch with Gold Plated Contacts
    application/pdf 61.38 KB
    7/16/2021
    61.38 KB
    Construction Vehicles
    Construction Vehicles -
    application/pdf 984.29 KB
    12/20/2022
    984.29 KB
    Why Limit Switches? A Straight-Forward Switching Solution
    Why Limit Switches? A Straight-Forward Switching Solution
    application/pdf 986.65 KB
    7/16/2021
    986.65 KB
    Solid Waste Management and Disposal
    Solid Waste Management & Disposal
    application/pdf 4.91 MB
    11/18/2024
    4.91 MB
    Oil and Gas Brochure
    Oil and Gas Brochure
    application/pdf 2.46 MB
    12/16/2024
    2.46 MB
    Name
    Description
    File Size
    Date
    Size
    MICRO SWITCH HDLS Heavy-Duty Factory Sealed Limit Switches (LSY-FP Series)
    MICRO SWITCH HDLS Heavy-Duty Factory Sealed Limit Switches (LSY-FP Series)
    9.76 MB
    11/17/2022
    Limit Switches and Machine Safety Product Range Guide
    Limit Switches and Machine Safety Product Range Guide
    7.98 MB
    11/17/2022
    PK 8119: Heavy Duty LS Limit Switch with Gold Plated Contacts
    PK 8119: Heavy Duty LS Limit Switch with Gold Plated Contacts
    61.38 KB
    7/16/2021
    PK 80112: Installation Instructions for Products with Conduit Openings
    PK 80112: Installation Instructions for Products with Conduit Openings
    347.13 KB
    7/16/2021
    PK 81116: HDLS Heavy Duty Limit Switch
    PK 81116: HDLS Heavy Duty Limit Switch
    2.24 MB
    12/12/2022
    MICRO SWITCH Limit Switch Heavy-Duty Comparison
    MICRO SWITCH Limit Switch Heavy-Duty Comparison
    767.47 KB
    4/8/2024
    MICRO SWITCH Limit Switches Comparison
    MICRO SWITCH Limit Switches Comparison
    556.08 KB
    4/8/2024
    Industrial Applications: Going Beyond Limits
    Industrial Applications: Going Beyond Limits
    16.69 MB
    11/17/2022
    Oil and Gas Brochure
    Oil and Gas Brochure
    2.46 MB
    12/16/2024
    Industrial Product Line Card
    Industrial Product Line Card --
    2.24 MB
    10/25/2022
    White Paper: Impacts of Shock and Vibration on a Limit Switch
    White Paper: Impacts of Shock and Vibration on a Limit Switch
    2.31 MB
    9/23/2022
    Why Limit Switches? A Straight-Forward Switching Solution
    Why Limit Switches? A Straight-Forward Switching Solution
    986.65 KB
    7/16/2021
    Heavy Duty Limit Switches HDLS Series Epoxied
    Heavy Duty Limit Switches HDLS Series Epoxied
    539.5 KB
    7/16/2021
    Agricultural Vehicles
    Agricultural Vehicles
    1.11 MB
    4/11/2024
    Switches and Sensors Solutions for Industrial Applications
    Switches and Sensors Solutions for Industrial Applications -
    2.48 MB
    5/24/2023
    Sensors and Switches in Mobile Cranes
    Sensors and Switches in Mobile Cranes
    1.97 MB
    12/20/2022
    Sensors and Switches in Oil Rig Applications
    Exploded view diagram of Honeywell sensors and switches in oil rig applications
    6.36 MB
    12/12/2024
    MICRO SWITCH Limit Switches: Keep Trains Moving on Track
    MICRO SWITCH Limit Switches: Keep Trains Moving on Track
    1.16 MB
    7/16/2021
    Construction Vehicles
    Construction Vehicles -
    984.29 KB
    12/20/2022
    Solid Waste Management and Disposal
    Solid Waste Management & Disposal
    4.91 MB
    11/18/2024
    High-Performing Solutions for Rugged Environments
    Redefining Road Rail & Rugged Applications
    28.35 MB
    12/20/2022
    LSYAC5KP-FP highres photo
    LSYAC5KP-FP highres photo
    223.79 KB
    7/16/2021
    LSYAC3KP-FP highres photo
    LSYAC3KP-FP highres photo
    535.2 KB
    7/16/2021
    LSYAC3KP-FP lowres photo
    LSYAC3KP-FP lowres photo
    64.74 KB
    7/16/2021
    LSYAC5KP-FP lowres photo
    LSYAC5KP-FP lowres photo
    56.44 KB
    7/16/2021
    Product Number
    Part Number
    Description
    Leaf Category
    Thumbnail
    Add to list
    LSYAB3KQ-FP
    Fully Potted Limit Switches HDLS Non Plug-in: Low Temperature Version; Side Rotary; 1NC 1NO SPDT Snap Action; 5-Pin Mini-Connector
    https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-lsyac5kp-fp-highres-ciid-161471
    LSYAB3KQ-FP
    Fully Potted Limit Switches HDLS Non Plug-in: Low Temperature Version; Side Rotary; 1NC 1NO SPDT Snap Action; 5-Pin Mini-Connector
    https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-lsyac5kp-fp-highres-ciid-161471
    LSYAC5KP-FP
    Fully Potted Limit Switches HDLS Non Plug-in: Side Rotary; 1NC 1NO SPDT Snap Action; 12-foot Cable
    https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-lsyac5kp-fp-highres-ciid-161471
    LSYAC5KP-FP
    Fully Potted Limit Switches HDLS Non Plug-in: Side Rotary; 1NC 1NO SPDT Snap Action; 12-foot Cable
    https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-lsyac5kp-fp-highres-ciid-161471
    LSYAC5KQ-FP
    Fully Potted Limit Switches HDLS Non Plug-in: Side Rotary; 1NC 1NO SPDT Snap Action; 5-Pin Mini-Connector
    https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-lsyac5kp-fp-highres-ciid-161471
    LSYAC5KQ-FP
    Fully Potted Limit Switches HDLS Non Plug-in: Side Rotary; 1NC 1NO SPDT Snap Action; 5-Pin Mini-Connector
    https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-lsyac5kp-fp-highres-ciid-161471
    LSYCC3KP-FP
    Fully Potted Limit Switches HDLS Non Plug-in: Top Plunger; 1NC 1NO SPDT Snap Action; 12-foot Cable
    https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-lsyac5kp-fp-highres-ciid-161471
    LSYCC3KP-FP
    Fully Potted Limit Switches HDLS Non Plug-in: Top Plunger; 1NC 1NO SPDT Snap Action; 12-foot Cable
    https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-lsyac5kp-fp-highres-ciid-161471
    LSYCC3KQ-FP
    Fully Potted Limit Switches HDLS Non Plug-in: Top Plunger; 1NC 1NO SPDT Snap Action; 5-Pin Mini-Connector
    https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-lsyac5kp-fp-highres-ciid-161471
    LSYCC3KQ-FP
    Fully Potted Limit Switches HDLS Non Plug-in: Top Plunger; 1NC 1NO SPDT Snap Action; 5-Pin Mini-Connector
    https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-lsyac5kp-fp-highres-ciid-161471
    LSYDC3KP-FP
    Fully Potted Limit Switches HDLS Non Plug-in: Top Roller Plunger; 1NC 1NO SPDT Snap Action; 12-foot Cable
    https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-lsyac5kp-fp-highres-ciid-161471
    LSYDC3KP-FP
    Fully Potted Limit Switches HDLS Non Plug-in: Top Roller Plunger; 1NC 1NO SPDT Snap Action; 12-foot Cable
    https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-lsyac5kp-fp-highres-ciid-161471
    LSYEC3KP-FP
    Fully Potted Limit Switches HDLS Non Plug-in: Side Plunger; 1NC 1NO SPDT Snap Action; 12-foot Cable
    https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-lsyac5kp-fp-highres-ciid-161471
    LSYEC3KP-FP
    Fully Potted Limit Switches HDLS Non Plug-in: Side Plunger; 1NC 1NO SPDT Snap Action; 12-foot Cable
    https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-lsyac5kp-fp-highres-ciid-161471
    LSYJC3KQ-7AFP
    Fully Potted Limit Switches HDLS Non Plug-in: Wobble - Plastic Rod; 1NC 1NO SPDT Snap Action; 5-Pin Mini-Connector
    https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-lsyac5kp-fp-highres-ciid-161471
    LSYJC3KQ-7AFP
    Fully Potted Limit Switches HDLS Non Plug-in: Wobble - Plastic Rod; 1NC 1NO SPDT Snap Action; 5-Pin Mini-Connector
    https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-lsyac5kp-fp-highres-ciid-161471
    LSYKC3KQ-8CFP
    Fully Potted Limit Switches HDLS Non Plug-in: Wobble - Coil Spring; 1NC 1NO SPDT Snap Action; 5-Pin Mini-Connector
    https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-lsyac5kp-fp-highres-ciid-161471
    LSYKC3KQ-8CFP
    Fully Potted Limit Switches HDLS Non Plug-in: Wobble - Coil Spring; 1NC 1NO SPDT Snap Action; 5-Pin Mini-Connector
    https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-lsyac5kp-fp-highres-ciid-161471
    LSYKC5KQ-8BFP
    LIMIT SWITCH
    https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-lsyac5kp-fp-highres-ciid-161471
    LSYKC5KQ-8BFP
    LIMIT SWITCH
    https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-lsyac5kp-fp-highres-ciid-161471

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