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  • projoy pv solar isolator switch for solar arrays front view
  • projoy pv solar isolator switch for solar arrays isometric view
  • A Solar isolator switch - 25A DC isolator in white, labeled "PROJOY," is set against a black surface, with tools visible in the blurred background.
  • Close-up of an open electrical junction box with visible wiring components, plastic covering, and a 25A DC solar isolator switch.
  • Close-up of cable glands with a part of a machine or device labeled "N-EL" against a textured black surface, accompanied by the solar isolator switch - 25A DC isolator.

Solar isolator switch – 25A DC isolator

(2 customer reviews)

This solar isolator switch is a 2 pole switch for single solar strings or arrays of solar panels. It is IP66 rated so is fully waterproof.

  • 2 DC poles
  • Max current 25A
  • Supplied glands suitable for 4mm and 6mm TUV solar cable
  • Suitable for flexible cables from 4mm2 to 10mm2
  • Suitable for standard cables from 4mm2 to 16mm2

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£0.32 of this purchase goes to planting trees and advancing access to solar energy 🌱
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    Solar isolator switch – 25A DC isolator for solar panels

    This 25A DC Solar Isolator Switch is an essential component for any campervan solar system. This series switch-disconnector is specifically engineered for photovoltaic (PV) applications. It provides a reliable isolation for single strings or arrays of solar panels. This solar isolator switch ensures the safety of your solar setup by allowing you to easily disconnect your solar system.

    Key features of our 25A DC Solar Isolator Switch include:

    High Current Capacity: The solar isolator switch is designed to handle a maximum current of 25A. Ensuring robust performance for a wide range of solar applications, from small setups to larger arrays.

    Dual DC Poles: Equipped with 2 DC poles, this isolator switch offers enhanced flexibility and reliability therefore making it suitable for various solar configurations and installations.

    Versatile Cable Compatibility: The switch comes supplied with high-quality glands which are compatible with both 4mm and 6mm TUV solar cables. This compatibility ensures a secure and efficient connection.

    Whether you’re looking to isolate individual strings of solar panels or disconnect the entire solar system for maintenance, this 25A DC Solar Isolator Switch provides the reliable performance and safety you need. Upgrade your campervan’s solar power system with this essential component and enjoy uninterrupted and efficient power on all your adventures.

    Looking for other solar accessories?

    Check out our full range of solar accessories ☀️

    Products that give back

    We are members of 1% for the Planet. This means that for every product purchased from Nohma, we give 1% of the total cost to the Honnold Foundation, in order to provide solar power to underprivileged communities. If you want your electrical system to have more of a positive impact, purchasing your components from us at Nohma will mean you can give back as well as powering your off-grid system.

    Product SKU: 118082

    Weight 0.5 kg
    Dimensions 25.1 × 9.6 × 11 cm
    Current (A)


    Voltage rating


    Cable thickness

    4mm2-16mm2 standard / 4mm2-10mm2 flexible

    DC poles


    Operational temperature

    -40°C to +85°C

    IP rating


    Product or kit


    2 Reviews 4.00

    1. Mark (verified owner)

    2. Mel (verified owner)

      Haven’t installed it yet but got great advice from the team before purchasing

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