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Hubbell HBL300MBK

300A Male Plug, Black
Item #:HBL300MBK 
Available: In Stock
Fits cable sizes #6-2/0
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Dimensional Diagram

  • Insulgrip® style housing for superior gripping
  • Non-conductive retaining screw locks contacts in place 
  • Turn and Lock symbol indicates devices are properly connected 
  • Highly conductive brass contacts improve performance and extend life


  • Voltage Ratings: 600V AC / 250V DC Maximum
  • Amperage Rating: 300A Maximum


  • Terminal Accommodation: 300A -€“ #6 to 4/0
  • Product Identification: Ratings are a permanent part of device
  • Housing Compound: Thermoplastic Elastomer (TPE) 
  • Contact Material: Brass
  • Retaining Screw Material: Nylon


  •  UL and cUL Listed
  • UL Enclosure Types 3R, 4X, 12K
  • Flammability: HB per UL94 or CSA 22.2. 0.17
  • UL 498 for attachment plugs and receptacles
  • UL 1691 draft standard for single pin and sleeve devices intended for theatre, stage and studio applications
  • National Electric Code (NEC), ANSI/NFPA 70

Hubbell'€™s Single Pole connectors are made from a specially formulated thermoset rubber that resists cracking in cold, hot or oily conditions as well as any other harmful environments that may be found within the Entertainment Industry. The connectors have been designed so they are easy to assemble, requiring no special tools. A high strength, non-conductive retaining screw will securely lock the contacts to the insulated sleeves. These Single Pole connectors are completely interchangeable with other manufacturer'€™s single pole products. The product is UL Enclosure Type 3R, 4X and 12K Rated.