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Hubbellock HBL25414B locking connector non-NEMA 20/30 A black nylon body

Hubbellock

Hubbellock HBL25414B Locking Connector Non-NEMA 20/30 A

SKU CH-CKX7-ZKA2A

Non-NEMA locking connector rated for 20/30 A with spring-loaded safety shutter for arc protection

  • Product typeLocking Devices
  • Non-NEMA locking connector rated for 20/30 A circuits
  • Super tough nylon housing resists high impact in harsh environments
  • Male contacts moulded into nose prevent contact deformity
  • Spring-loaded safety shutter provides arc protection inside connector
  • Mechanical cord grips secure cable and clamp conductors for strain relief

Locking Connector 20/30 A

The Hubbellock HBL25414B is a non-NEMA locking connector rated for 20 A and 30 A circuits. It suits industrial and generator applications that require a secure, heavy-duty connection. The device uses a proprietary Hubbellock interface rather than a standard NEMA configuration.

Proprietary Hubbellock interface

The connector uses Hubbell's exclusive locking design, so it only mates with matching Hubbellock plugs and inlets. It will not fit NEMA twist-lock or straight-blade devices. Installers must verify that the mating hardware carries the same Hubbellock part series before wiring.

20 A and 30 A capacity headroom

The unit handles continuous loads up to 20 A or 30 A depending on the circuit it serves. Its spring-loaded safety shutter provides arc protection during insertion and removal. The nylon housing and thermoplastic interior resist heat and impact in harsh environments, while the integrated cord grip clamps both cable jacket and conductors for strain relief.

How it compares

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

Price $257.99
Pricier than about 85% of the 1,135 comparable items (median $54.99).

Specifications

Product
Brand nameHUBBELL
Product typeLocking Devices

Questions about this item

Is the 20/30 A rating a single fixed value or a dual range?

The connector is rated for both 20 A and 30 A circuits, so it covers a dual amperage range rather than a single fixed value.

What does the spring-loaded safety shutter do inside the connector?

The spring-loaded safety shutter provides arc protection by covering the contacts when the plug is removed, reducing the chance of accidental arcing.

Does the non-NEMA locking interface work with standard NEMA twist-lock outlets?

No, the non-NEMA locking interface uses a proprietary Hubbellock pattern that is not compatible with standard NEMA twist-lock outlets.

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