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We are now closed for stocktaking and are taking this opportunity to carry out website upgrades and add hundreds more products. All to enhance your future shopping experience with us. We should be up and running again early October 2023.

Residual Current Devices (RCD's)

Shop a selection of Castlec RCD’s online with Electrical Discounted Supplies. Designed to monitor and protect the flow of electrical current through a circuit; a Residual Current Device can immediately shut off in the event of a leakage.

We stock a wide range of electrical products from many leading manufacturers so our customers can always find the product they need. Cant see the products you’re looking for? Then call our friendly team who will be happy to assist!