MK Electric Masterseal

MK Electric Masterseal Plus Weatherproof Wiring Accessories

Protect electrical installations in demanding environments with the MK Electric Masterseal Plus range of weatherproof wiring accessories. Designed for use both indoors and outdoors, Masterseal Plus provides industry-leading protection against water, dust, impact, and harsh environmental conditions, making it a trusted choice for electricians, contractors, and property owners alike. Masterseal Plus is manufactured in the UK and features robust IP66-rated protection, ensuring reliable performance even in the toughest conditions.

Whether you're installing outdoor sockets, weatherproof switches, fused connection units, or specialist enclosures, Masterseal Plus delivers long-lasting reliability and installer-friendly design.

Built for Harsh Environments

Masterseal Plus has been specifically developed for locations where electrical accessories are exposed to:

• Rain and water spray
• Dust and dirt ingress
• Impact from machinery or equipment
• UV exposure and changing weather conditions

Its durable recycled polycarbonate construction provides excellent resistance to cracking, fading, and discolouration, while maintaining performance in challenging environments.

IP66 Weatherproof Protection

A key benefit of the Masterseal Plus range is its IP66 rating when in use, providing:

• Total protection against dust ingress
• Protection against powerful water jets from any direction
• Reliable sealing even in exposed outdoor installations

Many socket outlets maintain their weatherproof protection even when a standard 13A plug is connected, making them ideal for continuous outdoor use.

Extensive Product Range

The Masterseal Plus range includes over 90 impact-resistant products and accessories, providing solutions for a wide variety of applications. Available products include:

• Weatherproof switched sockets
• RCD-protected sockets
• Outdoor light switches
• Fused connection units
• Grid system enclosures
• Data and telecom enclosures
• Switch enclosures and accessories

This extensive selection allows installers to create complete weatherproof electrical systems using a single trusted range.

Faster & Easier Installation

Masterseal Plus has been designed with installers in mind.

Key installation benefits include:

• Fixed sealing gasket to reduce fitting errors
• Improved lid catch for easier operation
• Captive terminals and clear wiring markings
• Rapid Fix options featuring tool-free spring-loaded terminals on selected products

The innovative Rapid Fix range can significantly reduce installation time while maintaining secure and reliable connections.

Ideal Applications

Masterseal Plus is suitable for a wide range of residential, commercial, and industrial environments, including:

• Gardens and patios
• Garages and workshops
• Warehouses and industrial units
• Commercial kitchens
• Swimming pool areas
• Farms and agricultural buildings
• Hotels and leisure facilities
• Laboratories and clean rooms

Its combination of weather resistance, impact protection, and long-term durability makes it one of the most versatile outdoor wiring accessory ranges available.

Why Choose MK Electric Masterseal Plus?

• IP66 rated weatherproof protection
• Tough impact-resistant polycarbonate construction
• Suitable for indoor and outdoor use
• UV-resistant and temperature tolerant
• Extensive range of sockets, switches, enclosures, and accessories
• Installer-friendly design features
• Up to 20-year manufacturer guarantee on qualifying products

Browse the complete MK Electric Masterseal Plus range at Alert Electrical Wholesalers and discover weatherproof electrical accessories designed to perform in even the most challenging environments