Hubbell Wiring Devices HBL2810 30 Amp 120/208 VAC 4-Pole 5-Wire NEMA L21-30R Black Single Flush Locking Receptacle
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Manufacturer Hubbell / Kellems
Mfg Catalog # HBL2810
North Coast Part # 11346


  • High-impact, abuse-resistant nylon face
  • Wire restraint recess for both back and side wiring, greatly reduces the possibility of loosening the terminal connection
  • Face color coding by voltage facilitates locating and mating of proper devices
  • All-brass mounting and grounding system provides a lower resistance ground path and greater resistance to corrosion than steel mounting systems



  • Application: Heavy Duty Industrial
  • Environmental Conditions: Indoor Dry Unless Protected By Additional Means
  • Horsepower - Maximum: 3
  • Item Type: Single Flush Receptacles
  • Material: Nylon
  • Material - Mounting Hardware: Screw Mounting
  • Number Of Poles: 4-Pole
  • OEM Brand Name: Hubbell Wiring Device-Kellems
  • Operating Temperature: Maximum continuous 75°C and minimum -40°C without Impact
  • Performance: Electrical - Current Interrupting - Certified for current interrupting at full rated current | Electrical - Dielectric Voltage - Withstands 2,000V minimum | Environmental - Moisture Resistance - IP20 Suitability | Environmental - Operating Temperatures - Maximum Continuous 75°C, Minimum -40°C (w/o impact) | Mechanical - Flammability - V2 or better per UL94/CSA 22.2 No.0.17 | Mechanical - Terminal Accommodation - #16 AWG - #8 AWG solid or stranded copper wire only. | Mechanical - Terminal Identification - Terminals identified in accordance with UL 498
  • Type: Single Flush Receptacle
  • UPC: 783585236230


  • Dimensions: 3.28 in x 1.7 in x 1.23 in
  • Display Size: Standard Sized Product
  • Height: 1.23 in
  • Length: 3.28 in
  • Weight: 0.30 lb
  • Width: 1.7 in

Electrical Ratings

  • Amperage Rating: 30 A
  • Connectivity: Back and Side Wired Screw Terminals
  • Current / Amperage Rating: 30 A
  • Current Rating: 30 A
  • Dielectric Strength: Withstands 2,000V minimum
  • Phase: 3 Phase WYE
  • Voltage Rating: 3 Phase WYE 120/208 VAC
  • Voltage Rating Description: 3 Phase WYE 120/208 VAC
  • Wattage: 6240 W

Conductor Related

  • Number Of Wires: 5-Wire
  • Wire Size: #16 AWG to #8 AWG

Certifications and Compliance

  • Industry Standard(s): Certified to CSA C22.2 No.42 | Fed.Spec. W-C-596 | Listed to UL 498
  • Nema Rating: L21-30R


  • Carton Quantity: 10


UPC 78358523623
GTiN 00783585236230
Length 3.28 in
Width 1.7 in
Size Standard
Color Black
Voltage 208 Volt
Type Heavy Duty
Material Thermoplastic
Conductor Size 12-8 AWG
Applications Heavy Duty Industrial
Mounting Type Screw, Recessed/Flush
Height 1.23 in
Grade Industrial
Weight 0.30 lb
Wire Size 16 AWG-8 AWG
Wattage 6240 Watt
Family Brand Name Hubbell Wiring Device Kellems
Carton Qty 10
TC Connection Screw Terminal
Current 30 A
Environmental Conditions Indoor Dry Unless Protected by Additional Means
Number of Poles 4 Pole
Number of Wires 5-Wire Grounding
Sub Brand Twist-Lock
Standard CSA C22.2 No.42,Fed.Spec. W-C-596,UL 498
Dielectric Strength Withstands 2,000V minimum

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