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Black rectangular locking receptacle with four terminal screws and flush-mount tabs

Hubbell Incorporated

Hubbell Wiring Device-Kellems HBL3430 30 A 4 Pole 4 Wire Locking Receptacle

SKU CH-DCPB-8W5FR

A 30 A, 120/208 V AC three-phase locking receptacle with four-pole, four-wire configuration and flush-mount design

  • Product type4 Pole 4 Wire
  • Overall length1.9
  • Product colorBlack
  • Product weight0.3
  • 30 A three-phase power at 120/208 V AC
  • Four-pole four-wire locking design prevents accidental disconnection
  • Impact-modified PBT base with nylon face resists damage and corrosion
  • Accepts 16 to 8 AWG copper wire for flexible installation
  • UL 498 certified with 2,000 V dielectric withstand for safety

Hubbell HBL3430 Locking Receptacle

The Hubbell HBL3430 is a 30 A four-pole four-wire locking receptacle rated for 120/208V AC three-phase operation. It is built for industrial and commercial power distribution where secure twist-lock connections are required.

Flush Mount Installation Details

The unit features a flush mount design with included screw-mount hardware for straightforward panel installation. Terminals accept 16 AWG to 8 AWG solid or stranded copper wire via screw terminals with back or side wiring options. Ensure terminals are tightened to specification to prevent overheating and verify the locking mechanism engages fully with the matching plug.

Pre-Installation Compatibility Checks

Confirm your supply provides three-phase 120/208V AC service and that the circuit protection matches the 30 A rating. Verify the enclosure or panel accommodates the flush mount footprint and that wiring gauges fall within the 16 to 8 AWG range. The operating temperature range spans -40°C to +75°C without impact.

How it compares

Measured against everything we stock in AV Accessories & Components, at today’s prices. Recalculated every night.

Price $64.99
Pricier than about 63% of the 3,838 comparable items (median $41.99).

Specifications

Product
Brand nameHubbell Wiring Device-Kellems
Model nameHBL3430
Product type4 Pole 4 Wire
Product colorBlack

Questions about this item

How do I verify the receptacle is working after wiring it to the brass terminals?

Apply power and measure 120/208V AC across the X, Y, Z and White terminals; the locking face should hold a matching plug firmly under 30 A three-phase load.

What hardware is included and what must I supply for installation?

Screw-mount hardware for flush mounting is included; you must supply #16 AWG to #8 AWG solid or stranded copper wire and a compatible four-pole, four-wire locking plug.

Which voltage rating matches a 120/208V AC three-phase service?

The HBL3430 is rated for 30 A at 120/208V AC three-phase; the face colour coding identifies this voltage per UL 498.

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