IMPA: 792883

Synthetic Resin Watertight 3-Pin Plugs & Receptacles with Switch

This marine-grade watertight 3-pin plug and receptacle set is engineered for reliable electrical connections in demanding shipboard environments. The integrated switch provides convenient ON/OFF control directly at the outlet, ideal for portable equipment, deck machinery, and auxiliary systems. The housing is constructed from high-impact synthetic resin, offering excellent resistance to corrosion, UV degradation, and mechanical impact common in offshore and dockside conditions.

Designed to meet international marine electrical standards, this plug and receptacle pair ensures a secure, watertight connection even when subjected to sea spray, rain, or temporary immersion. The IP67 rating guarantees full protection against dust and water ingress, making it suitable for use in engine rooms, cargo handling areas, and exterior decks. With its compact, rugged design and 3-pin configuration (2P+E), it provides a safe, grounded connection for a variety of marine electrical equipment.

Key Features

Technical Specifications

SpecificationValue
Product TypeWatertight 3-Pin Plug & Receptacle with Switch
Model / TypeHNA
IMPA Code792883
MaterialSynthetic Resin (high-impact thermoplastic)
Number of Pins3 (2P+E)
Voltage Rating250V AC / 440V AC
Current Rating16A
IP RatingIP67
Switch TypeIntegrated ON/OFF switch
Contact MaterialNickel-plated brass
Operating Temperature-20°C to +55°C
Standards ComplianceIEC 60309-2, marine electrical standards

Frequently Asked Questions

What is the IP rating of this plug and receptacle?

This product is rated IP67, meaning it is fully protected against dust and can withstand temporary immersion in water up to 1 meter depth for 30 minutes. This makes it ideal for exposed marine environments.

Is the switch suitable for frequent ON/OFF operations?

Yes, the integrated switch is designed for repeated use and provides reliable control of electrical circuits. It is typically rated for over 10,000 mechanical operations, ensuring durability in demanding shipboard applications.

What is the maximum cable diameter for the plug?

The plug is designed to accept cables with an outer diameter of 6–12 mm, allowing for flexible installation with common marine power cables. A suitable cable gland ensures a watertight seal.

Can this product be used in saltwater environments?

Absolutely. The synthetic resin housing and nickel-plated contacts provide excellent resistance to saltwater corrosion. The IP67 seal prevents ingress of water and contaminants, making it suitable for use in offshore and coastal vessels.

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