IMPA: 792892

Spare Interiors for Watertight 3-Pin Receptacles (Type HNA)

These spare interiors are designed for watertight 3-pin receptacles of Type HNA, providing essential replacement components for overhauling and repairing marine electrical connections. Manufactured from high-quality insulating materials and precision-machined brass contacts, these interiors ensure a secure, corrosion-resistant connection even in harsh offshore environments.

Ideal for ship chandlers, marine electricians, and vessel maintenance crews, this replacement interior kit includes all necessary contact carriers, contact pins, and sealing gaskets. Restore your receptacle to fully operational status with these dependable spare components, complying with IMPA 792892 specifications.

Key Features

Technical Specifications

SpecificationValue
IMPA Code792892
Product NameSpare Interiors for Watertight 3-pin Receptacles Type HNA
TypeHNA
Number of Pins3
Rated Current16 A
Rated Voltage250 V AC / DC
Degree of ProtectionIP56 (when installed in HNA receptacle)
Contact MaterialBrass, nickel-plated
Insulation MaterialPhenolic resin / thermosetting plastic
GasketsNBR / neoprene sealing ring
Mounting TypeScrew-type terminals
CompatibilityWatertight receptacles Type HNA
ApplicationMarine electrical systems, shipboard power distribution

Frequently Asked Questions

What is included in the spare interiors set?

The spare interiors kit typically includes contact carriers, contact pins or sockets, binding posts, and sealing gaskets required to rebuild the internal mechanism of a watertight 3-pin receptacle Type HNA.

Will these interiors fit all watertight receptacles?

No, these spares are specifically designed for the Type HNA watertight 3-pin receptacle series. Always verify the receptacle type and manufacturer before ordering.

What IP rating does the receptacle achieve after replacing the interiors?

When the spare interiors are properly installed in a compatible HNA housing with intact external gaskets, the receptacle maintains an IP56 degree of protection against dust and water jets.

Can these spare interiors be used in AC and DC circuits?

Yes, they are rated for 250V AC or DC and 16A continuous current, making them suitable for both auxiliary power and lighting circuits onboard.

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