Hubbell Wiring Devices HBL9365 50 Amp 277 Volt 2-Pole 3-Wire NEMA 7-50R Black Straight Blade Receptacle
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Manufacturer Hubbell / Kellems
Mfg Catalog # HBL9365
North Coast Part # 66833


  • Sequenced contacts assure protection
  • Catalog number, ratings and certifications molded in face
  • One piece design power and ground contacts
  • 50A
  • 277V AC
  • 2 Pole
  • 3 Wire Grounding


  • Product Type: Flush-receptacles
  • Color: Black
  • Receptacle Style: Single
  • Face Shape: Traditional
  • Standard: NEMA
  • Amperage: 50A
  • Voltage: 277V AC
  • Poles and Wires: 2 Pole, 3-Wire Grounding
  • Wiring Method: Back and Side
  • Hospital Grade ?: No
  • Receptacle Grade: Heavy Duty Spec Grade
  • Face Style: Finder Groove
  • NEMA No.: 7-50R
  • Horsepower: 5
  • Type: 2 Pole, 3 Wire, Grounding
  • Rating: 50A, 277V
  • Certification: UL, CSA, Fed Spec
  • Terminal Screw Material: Plated Steel
  • Ground Screw Material: Plated Steel
  • Top Material: Phenolic
  • Base Material: Phenolic
  • Power Contacts Material: Brass
  • Mounting Strap Material: .062" (1.5) Plated Steel
  • Mounting Screw Material: Steel-Zinc Plated
  • Box Terminals Material: Brass
  • Dielectric Voltage: Withstands 2,000V minimum.
  • Current Interrupting: Certified for current interrupting at full rated current.
  • Temperature Rise: Max 30°C temperature rise at full rated current after 50 cycles of overload at 150% of rated current at a power factor of 75%..
  • Terminal Identification: Terminals identified in accordance with UL498 (Brass, White, Green).
  • Terminal Accommodation: #10-#4 AWG copper stranded or solid conductor only.
  • Product Identification: Ratings are a permanent part of the device.
  • Flammability: UL 94 V0.
  • Operating Temperatures: Maximum continuous 75°C, minimum -40°C (w/o impact).
  • Weight in LBs: 0.400


NEMA Configuration

Product Type

Ordering Information

  • Device Color: Black


  • UL Listed File E2186
  • CSA Certified
  • NEMA WD-6 Compliant



  • Current Interrupting: Certified for current interrupting at full rated current
  • Dielectric Voltage: Withstands 2,000V minimum


  • Product Identification: Ratings are a permanent part of the device
  • Terminal Accommodation: #12 AWG through #4 AWG copper wire only
  • Terminal Identification: Terminals identified in accordance with UL 498 and CSA


  • Flammability: UL 94 V-0
  • IP Suitability: IP20
  • Operating Temperatures: Maximum continuous 75°C; minimum -40°C (w/o impact)

Product Drawings / Installation Instructions





UPC 78358501553
Item Long Description Straight Blade Devices, Receptacles, RTP, Industrial Grade, 2-Pole 3-Wire Grounding, 50A 277V AC, 7-50R, Black, Single Pack.
GTiN 00783585015538
Size Standard
Color Black
Operating Temperature -40 C
Voltage 277 Volt
Type Standard
Material Thermoplastic
Applications For Heavy Duty Applications
Wire Size 12-4 AWG
Wattage 13850 Watt
Family Brand Name Hubbell Wiring Device Kellems
TC Connection Screw Terminals
Number of Poles 2 Pole
Number of Wires 3
Sub Brand Straight Blade Devices
Conductor Size 10-6 AWG
Mounting Type Screw, Recessed/Flush
Dielectric Strength Withstands 2,000V minimum
Environmental Conditions Indoor Dry Unless Protected By Additional Means
Wire Count 3
NEMA 7-50R
Amperage 50 Amp

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