Mechanical Interlock, 120/240VAC, 100A MPN:HBL4100MI12W

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Brand: HUbbell Wiring
Part #: HBL4100MI12W
UPC: 783585841021
SKU
510-G6928205
Regular Price $3,931.61 Special Price $2,808.29

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Mechanical Interlock, 120/240VAC, 100A

The HUBBELL Mechanical Interlock is a versatile and reliable device designed for high-ampacity electrical connections. Suitable for indoor and outdoor use, it integrates a disconnect switch and IEC receptacle in a non-metallic enclosure, providing a means to visually verify disconnection when the plug is removed. This device supports OSHA Lockout/Tagout procedures and incorporates an interlock mechanism that restricts circuit engagement unless the plug is fully inserted. Ideal for use in industrial settings, it is suitable for applications such as machinery maintenance, equipment installation, and electrical panel upgrades, providing a safe and efficient way to manage electrical connections.

Top product features:

  • The HUBBELL Mechanical Interlock provides a means to visually verify disconnection when the plug is removed.
  • The unit incorporates an interlock mechanism that restricts circuit engagement unless the plug is fully inserted.
  • The device features a lockable handle to support OSHA Lockout/Tagout procedures.

Top product applications:

  • High-Ampacity Electrical Connections
  • Industrial Machinery Maintenance
  • Outdoor Power Distribution Systems
  • The HUBBELL Mechanical Interlock, 120/240VAC, 100A is a mechanically interlocked pin and sleeve device rated for use with high ampacity electrical connections

  • IP67 rated for watertight operation. It integrates a disconnect switch and IEC receptacle in one non-metallic enclosure, providing a means to visually verify disconnection when the plug is removed. The unit features a lockable handle to support OSHA Lockout/Tagout procedures and incorporates an interlock mechanism that restricts circuit engagement unless the plug is fully inserted. Rated for indoor and outdoor use, it is suitable for use in indoor (Type 12) and outdoor (Type 4X) locations as specified by its ratings.



    Key Features of the HUBBELL Mechanical Interlock Device:


    • Amperage Rating: 100 A

    • Voltage Rating: 120/240V AC single phase

    • Electrical Connection Type: Pin and Sleeve (IEC), accepts compatible plug number 6C555

    • Horsepower Rating: Suitable for up to 15 HP motors

    • Circuit Protection: Non-fused design with no integrated circuit breaker

    • Enclosure Material: Thermoplastic Valox housing
    • orange color

    • Ingress Protection: IP67 rated for watertight operation
    • suitable for both indoor (Type 12) and outdoor (Type 4X) locations

    • Operating Temperature Range: -40°C to +75°C continuous use

    • Wire Size Compatibility: Accepts #3 AWG to #1/0 AWG conductors via pressure terminal screws

    • Grounding: Grounded construction with four-wire configuration (three poles)

    • Locking Handle: Yes – supports lockout/tagout requirements



Additional Information

  • Country of Origin: US
  • Drop Ship Item: No
  • Blind Ship Eligible: No
  • LTL Freight Required: No
  • Lead Time: Ships in 1 days
  • Minimum Order Quantity: 1
  • Unit of Measure: EA
  • Package Length: 14.30
  • Package Width: 10.60
  • Package Height: 7.60
  • Package Weight: 10.10
Product info last updated on April 9, 2026 1:50pm UTC Category: Wiring Devices
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