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PLEASE NOTE: As a result of the planned industrial strike action impacting Parcelforce services on Thursday 24th November 2022, Friday 25th November 2022, Wednesday 30th November 2022 & Thursday 1st December 2022. We are expecting some delays in deliveries which may mean that not all orders are received “next day”. Despite our very best efforts it is inevitable that there will be some small delays outside of our control and we appreciate your understanding. Thank you.

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!