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Yellow industrial watertight locking connector with ribbed body and strain relief nut

Hubbell Incorporated

Hubbell Incorporated HBL29W75 Watertight Locking Connector L15-30R line protection

SKU CH-4Q9E-BK09S

Watertight locking connector rated L15-30R with smooth body design for simplified wash down and corrosion-resistant stainless steel hardware

  • Product typeWatertight Devices
  • Watertight locking connector rated L15-30R for reliable power connections
  • Smooth body design reduces debris buildup and simplifies wash-down cleaning
  • Strain relief nut seals on the body to minimise collection points during use
  • Stainless steel hardware provides corrosion-resistant connection points for durability
  • Hubbell Wiring Device-Kellems brand ensures quality electrical components for line protection

Watertight Locking Connector L15-30R

The Hubbell HBL29W75 is a watertight locking connector rated for 30 A service. It suits industrial and outdoor power distribution where moisture and debris are present. The L15-30R configuration matches three-phase 15 kV locking receptacles. Installers needing a secure, sealed connection for heavy-duty equipment will find it appropriate.

Smooth body and sealed strain relief

A smooth body design minimises collection points to simplify the wash-down process. The strain relief nut always seals on the body, reducing debris ingress during normal operation. Stainless steel hardware and corrosion-resistant connection points maintain electrical integrity in wet or corrosive environments. The connector remains sealed while cables are flexed or vibrated.

Sustained load in harsh conditions

Under continuous rated current the stainless hardware and corrosion-resistant contacts resist degradation from heat and moisture cycles. The sealed strain relief maintains its grip and environmental seal during prolonged mechanical stress. The smooth body prevents contaminant build-up that could compromise insulation over long runs. The device is built for durable performance in fixed industrial installations.

How it compares

Measured against everything we stock in Breakers & Circuit Protection, at today’s prices. Recalculated every night.

Price $127.99
Pricier than about 74% of the 1,135 comparable items (median $54.99).

Specifications

Product
Brand nameHUBBELL
Product typeWatertight Devices

Questions about this item

How do I install the HBL29W75 watertight locking connector and what step is commonly missed?

Thread the cable through the strain relief nut, insert conductors into the L15-30R terminals, tighten screws, then torque the nut until it seats on the body to maintain the seal.

What maintenance or replacement will the HBL29W75 connector need over time?

Inspect the strain relief nut seal and stainless steel hardware for corrosion after wash-down cycles; replace the connector if the body seal no longer seats cleanly.

What limit appears first on the HBL29W75 connector during sustained high-load use?

The 30 A rating of the L15-30R interface is the first limit; continuous current above that level will trip upstream protection.

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