GreenBrook Electrical has over 60 years of experience in the electrical industry, continuing to be ahead of the competition. Since their beginnings, as a manufacturer of electromechanical relays, they have grown through product development and innovation to boast a comprehensive range of electrical accessories from RCD sockets to smoke alarms. The Greenbrook H92-MP is a weatherproof connection unit with an RCD which features a current rating of 0.03A and a voltage of 230V.