Panel Mounting components

VEF 21, VEF41 and VEF 51 are Variable Earth Leakage Protection Relays available for urgent delivery from our Online store with choice of operating voltages 24V or 240V AC/DC plus time delay and EF adjustment – they include integral test and reset buttons. Also available are matching core balance transformers.

Other Earth Leakage Relays are available at out FDB Electrical site – for details see here – also please contact us for order information.

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 MonitorsRCD 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.

A range of Heavy Duty RCCB units from FDB for when you really have to get serious! FDB 2 Multiway modular RCD/RCBO panel shows the way to building renovation

Protective devices available from FDB include fully adjustable multi-function RCD’svariable earth leakage relayspercentage 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.


CB514_medium CT from FDB EFR1 Earth Leakage Relay FDB27/M RCD Protection

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.

CB514_medium CT from FDBFeatures 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. RCD test set ( series 6 )

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.

The FDB Online store offers a range of specialist components for panel builders to integrate into their own electrical protection systems from core balance transformers and earth leakage relays to complete RCD panels.

CB514_medium CT from FDBGeneral purpose overload/short circuit and DC immune protection from FDB Electrical

Components comply with BS4293 where appropriate and offer multi-range protection levels including pre-set and user adjustable types.

Solid state circuitry is employed for optimum immunity to voltage transients and DC component.

AC and DC types are stocked for urgent delivery.




EMGUARD Earth Line Monitors

23 March 2018

EMGUARD Earth Line Monitors – 110V, 240V and 440V The FDB Emguard range comply with BS4444 over an Impedance range of 1 – 20 ohms (adjustable). They have Fail-safe operation with LED status indication and each unit is fully encapsulated and housed in PA6 enclosure for convenient chassis mounting with the hardware supplied. These units require an end […]

Read the full article →

Electrical Power and Earth Monitoring Protection for the Panel Builder

13 October 2017

We pride ourselves on our range of AC and DC panel mounting items including RCDs, Earth Continuity Monitors and special purpose electrical protection devices compliant with BS4293 which we have available ex-stock for the specialist panel builder. These items can be reviewed and ordered direct from our Online store. The range includes multi-range protection levels […]

Read the full article →

Earth line protection devices

10 August 2017

We have been specialists in industrial electrical protection equipment for a long time now and are able to offer our proven technology in component form to panel builders wishing to configure their own systems. This FDB range includes many panel mount devices and system elements. For example the FDB EMGUARD earth line monitor range includes […]

Read the full article →

Core-balance Transformers

1 July 2017

Here at FDB Electrical we have a wide range of core-balance transformers (CTs) for use in monitoring supply conductors together with with earth leakage relays (ELRs and ELCBs)  and MCCBs where the CT  provides a warning signal from the incoming cable, giving advance information to the trip device so ensuring greater safety for personnel and equipment. We have […]

Read the full article →

Panel Mounting Components

5 May 2017

Our range of specialist panel mounting electrical protection items available at our Online shop includes RCDs, Earth Continuity Monitors and special purpose electrical protection devices  compliant with with BS4293. These enable panel builders and installation engineers to configure their own electrical protection systems within an application specific enclosure or cabinet providing appropriate environmental protection. We offer both […]

Read the full article →

Electrical Protection and Monitoring equipment you can trust

11 February 2017

Enclosed units – available at our Online Store Our full range of enclosed units are perfect for an “off the shelf” solution that you can rely on. Industrial RCD/MCBs Adjustable RCCBs RCCB/ECM + Socket Outlets Heavy Duty RCCBs RCD Protected Distribution Boards Range earth continuity loop monitoring units Special purpose RCD protection units to MOD Spec Interruptable” […]

Read the full article →