IMPA: 799999

Waterproof Marine Battery Isolation Switch (IMPA 799999)

Ensure the safety and reliability of your vessel's electrical system with this heavy-duty waterproof isolation switch. Specifically designed for marine environments, this switch completely isolates the battery from the electrical circuit, preventing accidental discharge, short circuits, and electrical fires during maintenance or emergencies. Its fully sealed IP67 construction protects against seawater ingress, making it ideal for engine rooms, cockpits, and exposed deck installations.

Built to withstand the harshest offshore conditions, this isolation switch features corrosion-resistant materials and high-current handling capability. Whether for a small sailboat or a commercial vessel, this switch provides a secure, positive disconnect action with a clear ON/OFF indication. Trust in a product that meets the demanding requirements of international ship supply standards and keeps your crew and equipment safe.

Key Features

Technical Specifications

SpecificationValue
Product TypeWaterproof Isolation Switch
IMPA Code799999
Rated Voltage12V / 24V DC
Continuous Current Rating300A
Intermittent Current Rating700A (30 sec)
Ingress ProtectionIP67
Terminal TypeM10 Brass Studs
Mounting MethodSurface mount with 3 screw holes
Housing MaterialMarine-grade glass-reinforced nylon
Operating Temperature-40°C to +85°C
CertificationsCE, RoHS
Dimensions (L x W x H)120 x 110 x 90 mm

Frequently Asked Questions

What is a waterproof isolation switch used for?

A waterproof isolation switch is used to disconnect the battery from a vessel's electrical system for safety during maintenance, storage, or emergencies. It prevents electrical fires, shock, and battery drain.

Is this switch suitable for saltwater environments?

Yes, the IP67 sealing and corrosion-resistant materials make it fully suitable for saltwater environments. It is designed to withstand spray, humidity, and temporary submersion.

Can I use this switch for both engine and house battery banks?

Absolutely. The high continuous current rating (300A) supports both engine start batteries and house/ship service batteries up to 300A on 12V or 24V systems.

How do I install this isolation switch?

Mount the switch securely on a flat surface using the provided screw holes. Connect the battery positive cable and the load cable to the M10 brass studs, then tighten. Ensure the switch is fully off before making connections.

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