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PLEASE NOTE: As a result of the planned industrial strike action impacting Parcelforce services on Friday 30th September and Saturday 1st October 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.


A variety of Danson RCBO’s at better than trade prices from Electrical Discounted Supplies. RCBO’s are a combination of an MCB and an RCD, providing both overcurrent and earth fault protection in one single unit. Browse the selection below!

Offering electrical supplies online, Zetmet Limited prides itself on offering top quality products at heavily discounted prices. Unlike many online distributors, we only ever sell items from stock ensuring we can process and dispatch your order the same working day.