For more than 50 years, FDB Electrical has been one of the leading specialists in the field of electrical protection and have an enviable reputation for quality, innovation and service. Our product range includes RCD’s and RCBO’s for personnel or plant protection, Earth Continuity Monitors, RCD Test Sets together with a range of ancillary devices supplied separately as panel mounting components, or pre-assembled within steel, stainless steel or GRP enclosures complete with socket outlets or terminals as required.
Protective devices available from FDB include fully adjustable multi-function RCD’s, variable earth leakage relays, percentage earth fault relays together with a range of external toroidal CT’s up to 240mm diameter. Custom built panels and bespoke solutions are designed and manufactured in-house to suit virtually any industrial application and we are proud to supply the UK Defence forces and support industries with specialist protection equipment.
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The team here at FDB Electrical have a long experience with specialist earth protection systems and in consequence we have available at our Online store an extensive range of panel mounting items including RCDs, Earth Continuity Monitors and special purpose electrical protection devices for panel builders and installers to assemble your own application specific equipment.
Features include – compliance with BS4293, AC and DC types, multi-range protection levels including pre-set and user adjustable types. Solid state circuitry for immunity to voltage transients and DC component, associated core balance transformers in a range of sizes – with panel meter (EFU10/M) and RCD Test Set available. 
However if you would like a custom protection panel produced by us and delivered to your site of choice then please call us to arrange.
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FDB 11 are general purpose RCD panels with overload and short circuit protection conforming to BS4293 (RCD); BSEN60898 (MCB) for ratings of IΔn: 20mA; 30mA or 100mA – they are housed in a steel, surface mounting enclosure c/w knockouts (IP20)
FDB 13 are manufactured to the same specification for three phase application.
Housings are designed to fit in a modular configuration to enable panels to be expanded over time – standard sizes are available direct from our Online store – alternatively where custom panels may be required eg to take more MCB modules or to fit particular space constraints please contact our sales team who will be pleased to discuss your requirements.
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Our FDB27/M is a range of special purpose RCD protection units for military communications vehicles, with in-line filters. Designed in accordance with MOD specifications, there are six standard variants according to voltage/current rating. Part of the EFR-1 series these units are housed in robust steel enclosures for outdoor installation. General data sheet available here.
To discuss your communications or other electrical protection needs please contact us.
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