We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Yellow watertight locking connector with smooth body and stainless steel hardware

Hubbell Incorporated

Hubbell Incorporated HBL29W81 Watertight Locking Connector L21-30R

SKU CH-1B21-DP86J

A watertight locking connector with smooth body design, sealed strain relief and stainless steel hardware for corrosion resistance

  • TypeWiring Devices
  • Smooth body design simplifies wash-down cleaning
  • Strain relief nut seals on body to minimise debris collection
  • Stainless steel hardware resists corrosion at connection points
  • Watertight locking connector rated L21-30R for secure power connections
  • Hubbell Wiring Device-Kellems brand trusted for industrial electrical reliability

Watertight L21-30R Locking Connector

The Hubbell HBL29W81 is a watertight locking connector built to the L21-30R configuration for three-phase power connections. Its smooth body design reduces collection points so wash-down cleaning is faster and more complete. Stainless-steel hardware and corrosion-resistant contact surfaces withstand harsh industrial environments. The strain-relief nut seals continuously against the body to keep debris out during repeated flexing.

Industrial Plants and Wet-Location Installations

This connector suits maintenance teams and electricians who need reliable three-phase hook-ups in food processing, chemical or outdoor settings where water and chemicals are present. The locking mechanism prevents accidental disconnection under vibration or cable tension. Installations that require a different pin arrangement, lower amperage or a non-watertight body should select an alternative device.

L21-30R Three-Phase Pin Configuration

The L21-30R layout provides four poles and five wires rated for 30 A three-phase service, making it the single specification that determines whether the connector matches the circuit. Verify the inlet or receptacle on site carries the same L21-30R designation before ordering.

Highlights

  • Smooth body design simplifies wash-down cleaning
  • Strain relief nut seals on body to minimise debris collection
  • Stainless steel hardware resists corrosion at connection points
  • Watertight locking connector rated L21-30R for secure power connections
  • Hubbell Wiring Device-Kellems brand trusted for industrial electrical reliability

Specifications

BrandHUBBELL WIRING DEVICE-KELLEMS
TypeWiring Devices

Questions about this item

How can I confirm the HBL29W81 is working correctly after wiring it?

Verify that the smooth body has no debris, the strain relief nut seals firmly on the body, and the stainless steel hardware and corrosion-resistant connection points show no signs of damage or moisture ingress.

What comes with the HBL29W81 and what must I supply?

The connector body with its integrated strain relief nut and stainless steel hardware is included; you must provide the matching L21-30R plug, suitable cable, and any mounting accessories required for your installation.

Which Hubbell watertight locking connector version should I select for a 30 A three-phase circuit?

Choose the HBL29W81, identified by the L21-30R designation, which corresponds to the 30 A locking configuration for three-phase service.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.