Locking Receptacle, Non-NEMA, 50 A, 250/600V AC, Single Phase, 2 Pole, Flush Mount, Screw Terminals MPN:HBL3771

• The HUBBELL 50A Twist-Lock Receptacle is a locking receptacle rated for use in indoor, dry locations. It features a twist-lock mechanism intended to reduce the likelihood of accidental disconnection and supports single-phase power at 250/600V AC with a current rating of 50 amps. The device accommodates solid or stranded copper wire ranging from #10 AWG to #6 AWG and mounts flush for streamlined installation.

  
  
  

  Key Features of the HUBBELL 50A Twist-Lock Receptacle:
  
  

  
  
  • Construction: Thermoset base material with phenolic housing and impact modified PBT for high heat resistance and durability.
  
  
  • Contact Material: Brass one-piece contacts
  
  
  • Operating Temperature Range: Rated for continuous operation up to 167°F (75°C) and down to -40°F (-40°C).
  
  
  • Wire Compatibility: Accepts #10 AWG – #6 AWG solid or stranded copper wire
  • maximum wire size is 4 AWG, minimum is 8 AWG.
  
  
  • Mounting Type: Flush mount design suitable for single-gang installations
  • includes cover as a special feature.
  
  
  • NEMA Configuration: Non-NEMA, polarized, grounded design with screw terminal connections identified per UL standards (X, Y, Z, White, Green).
  
  
  • Flammability Rating: Meets UL94 V-2 requirements for flame resistance.
  
  
  • Standards Compliance: CSA Certified C22.2 No.42 and UL 498 listed
  • IP20 ingress protection
  • NEMA Enclosure Rating 1 (indoor use only).

Additional Information