Locking Receptacle, L21-30R, 30 A, 120/208V AC, Three Phase, 4 Pole, Surface Mount, Screw Terminals

The HUBBELL 30A Locking Receptacle L21-30R is a surface mount, twist-lock receptacle suitable for installation in dry, indoor locations. It supports three-phase power at 120/208V AC with a current rating of 30 amps and accommodates up to five wires and four poles. The device features a shrouded housing made from impact- and corrosion-resistant Valox thermoplastic, with a housing constructed from Valox thermoplastic rated for impact and corrosion resistance.

Key Features of the HUBBELL 30A Locking Receptacle L21-30R:

• NEMA Configuration: L21-30R (4-pole, 5-wire), compatible with standard NEMA locking plugs


• Current/Voltage Rating: Rated for 30 A at 120/208V AC three-phase


• Housing Material: Engineered thermoplastic (Valox) rated for impact and corrosion resistance


• Mounting Type: Surface mount configuration


• Wire Accommodation: Accepts wire sizes from #16 AWG to #8 AWG using screw terminals


• Operating Temperature Range: -40°F to 167°F (-40°C to +75°C)


• NEMA Enclosure Ratings: NEMA Types 1, 12, and 4X; IP20 rated enclosure


• Flammability Rating: UL94 V-2 for enhanced fire resistance properties


• Corrosion Resistant: Rated as corrosion resistant


• Standards Compliance: CSA Certified C22.2 No.42; Federal Specification W-C-596; UL498 listed