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Hubbell Wiring Twist-Lock® Series Mechanical Interlock Devices 30 A NEMA 4, 4X, 12 600 V

Mfg #: HBLMITL
BOR #: 670306
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This unit is a complete enclosure ready to accept any 20 or 30A Watertight Safety-Shroud Twist-Lock Receptacle.

  • Lockable handle provides lockout protection for greater safety and complies with OSHA lockout requirements
  • Horsepower rated switch
  • Heavy-duty internal frame bonds conduit and all grounds and has a DIN rail to accommodate the switch
  • Moveable feet may be used in horizontal or vertical position
  • Enclosure back is designed for top, bottom or back feed options
  • Heavy-duty interlock linkage prevents make and break under load
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Product can be ordered only in multiples of
Brand Hubbell Wiring  
Wiring Method Screw  
NEMA Rating NEMA 4, 4X, 12  
Environmental Condition Watertight  
Voltage 600 V  
Design Switched  
Grade Industrial  
Color Gray  
Amperage 30 A  
Length 11.41 in  
Mounting Type Wall  
Plug/Connector Style Shrouded  
Width 4.88 in  
WDK_B-22_CatalogPage.pdf Catalog
WIRING_PD1785_INSTALLINST.pdf Installation and Instruction Manuals
WDK_CATALOG_2024_FULL.pdf Catalog
WDK_B-26_CatalogPage.pdf Catalog
WDK_B-20_CatalogPage.pdf Catalog
Hubbell Wiring Specification Sheet Specification Sheet

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