Locking Plug, L21-20P, 20 A, 120/208V AC, Three Phase, 4 Pole, Screw Terminals, Yellow MPN:HBL25CM11

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Brand: HUbbell Wiring
Part #: HBL25CM11
UPC: 783585038711
SKU
510-G2584989
Regular Price $111.71 Special Price $79.79

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Locking Plug, L21-20P, 20 A, 120/208V AC, Three Phase, 4 Pole, Screw Terminals, Yellow

The HUBBELL 20A Marine Locking Plug L21-20P is a heavy-duty electrical connector designed for industrial and marine environments where locking power connections are specified. Suitable for three-phase applications, this locking plug features a ribbed nylon housing and nickel-plated brass blades, providing chemical resistance, corrosion resistance, and impact resistance. Its integral dust shield protects wiring from contaminants, while supporting #16 AWG to #8 AWG stranded copper wire via screw terminals. Ideal for use in harsh environments, this locking plug is listed to UL 498, CSA C22.2 No.42, and Federal Specification W-C-596, making it a reliable choice for a variety of applications, including marine, industrial, and construction projects.

Top product features:

  • Three-phase compatibility
  • Polarized design
  • Chemical resistance, corrosion resistance, impact resistance

Top product applications:

  • Industrial environments
  • Marine environments
  • Heavy-duty power connections
  • The HUBBELL 20A Marine Locking Plug (L21-20P) is a heavy-duty electrical connector suitable for use in industrial and marine environments where locking power connections are specified. This locking plug features a ribbed nylon housing.



    Key Features of the HUBBELL - 20A Marine Locking Plug L21-20P:


    • Amperage/Voltage: Rated for 20 A at 120/208V AC with three-phase compatibility.

    • NEMA Configuration: L21-20P with polarized design.

    • Cord Accommodation: Accepts cord diameters from 0.350" to 1.150"
    • compatible with listed portable cords.

    • Material Construction: Ribbed nylon housing
    • nickel-plated brass blades.

    • Resistance Properties: Chemical resistance, corrosion resistance, impact resistance
    • integral dust shield protects wiring chamber from contaminants.

    • Wire Size Compatibility: Supports #16 AWG to #8 AWG stranded copper wire via screw terminals.

    • Operating Temperature Range: Rated for operation between -40°C and +75°C (without impact).

    • Certifications & Standards: Listed to UL 498, CSA C22.2 No.42, Federal Specification W-C-596
    • IP20 moisture resistance rating
    • flammability rated HB or better per UL94/CSA standards.



Additional Information

  • Country of Origin: US
  • Drop Ship Item: Yes
  • Blind Ship Eligible: No
  • LTL Freight Required: No
  • Lead Time: Ships in 112 days
  • Minimum Order Quantity: 1
  • Unit of Measure: EA
  • Package Length: 2.40
  • Package Width: 2.40
  • Package Height: 3.90
  • Package Weight: 0.40
Product info last updated on January 13, 2026 11:56am UTC Category: Wiring Devices
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