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By Hubbell Wiring Device-Kellems 


By Hubbell Wiring Device-Kellems
Catalog ID:  HBLMITL
Heavy Duty Products, Switched Twist-Lock®, Industrial Grade, Accessories, Mechanical Interlock, 30A 600V AC, Single Conductor, Terminal Screws, Gray
  • Unfused Mechanical Interlock for Watertight Safety-Shroud
  • Virtually Eliminates Possible Circuit Making or Breaking While Under Load
  • Compact, Corrosion Resistant Type 4X Non-metallic Enclosure
  • Molded Valox Resists Abuse, Corrosion and Enhances Safety
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Product Details


  • Gray
  • Gris
Item Type Safety-Shroud Enclosure
  • Electrical - Current Interrupting - Certified for current interrupting at full rated current and voltage
  • Electrical - Dielectric Voltage - Withstands 3,000V minimum
  • Electrical - Max. Working Voltage - 600V RMS
  • Electrical - Operations - Mechanical 10,000 cycles
  • Electrical 6,000 cycles
  • Environmental - Flammability - Meets UL 94V0 material classification
  • Environmental - Moisture Resistance - IP66 suitability
  • Environmental - Operating Temperature - Maximum continuous +75°C Minimum continuous -40°C
  • Environmental - UV Resistance - All exposed materials are UV stabilized
  • Mechanical - Impact Resistance - In accordance with UL 746C
  • Mechanical - Mounting - External full adjustable feet
  • Mechanical - Product Identification - Identification and ratings are part of the external label and receptacle face
  • Mechanical - Terminal Identification - In accordance with UL, CSA
Style For 20A and 30A Devices
Type Switched Enclosure
UPC 783585176802


Dimensions 11.44 in x 4.88 in x 4.19 in
Height 4.19 in
Length 11.44 in
Weight 3.65 lb
Width 4.88 in

Electrical Ratings

Dielectric Strength Withstands 3,000V minimum

Certifications and Compliance

Industry Standard(s)
  • CSA Certified TYPE 4, 4X and TYPE 12K Enclosure Rating
  • Listed to UL Standard
Nema Rating Type 4X