Circuit breakers MCB, MCCB, ACB news articles 
FDB announces EFR-4 EFR-5 universal earth leakage protection relay
The EFR-4/EFR-5 Earth Leakage Protection Relay from FDB Electrical forms part of their Optima range of low cost, high specification RCDs and can be specified at a wide range of trip levels and response times for precise system protection. The EFR-4/EFR-5 is designed for medium to high current applications where space is a limitation. It is housed in a compact Din-rail mounting enclosure complete with integral 28 or 46mm C.T. sensory coil and ... [more]
FDB's EFR-2 Earth Leakage Protection Relay protects all types of electrical machinery
FDB's EFR-2 Earth Leakage Protection Relay is part of their Optima range of low cost, high specification RCDs. It is especially suited to protection of all types of electrical machinery for the benefit of maintenance personnel. It offers an extremely wide range of performance and can be specified across extensive trip levels and response times for precise system control which is especially valuable for large industrial and automated machines. Exa... [more]
Are RCD trips a good safety device or a nuisance
With RCD trips being installed in most properties now, and a necessity in new builds, or when updating, we frequently receive complaints about nuisance tripping. We also frequently get tripping problems when replacing a fuse board with a new distribution board. Normally because the staircase lighting has been previously wired incorrectly. Tracing such faults can be time consuming and costly to the end user. We feel it is in our interest to mak... [more]
FDB11 and FDB13 electrical protection units feature solid state electronic circuitry for immunity from spurious tripping
The FDB11 and FDB13 electrical protection units from FDB Electrical comprise a complementary series of general purpose earth leakage protection equipment, complete with overload and short circuit protection, and are approved by Network Rail for use in DC Electrified Line Areas. The FDB11/13 series features solid state electronic circuitry for stability and immunity from spurious tripping. The range features different permutations of rating in ... [more]
Universal Earth Leakage Protection Relay from FDB Electrical
The EFR-2 Earth Leakage Protection Relay from FDB is part of their Optima range of low cost, high specification RCDs. It is especially suited to protection of all types of electrical machinery for the benefit of maintenance personnel. It offers an extremely wide range of performance and can be specified across extensive trip levels and response times for precise system control which is especially valuable for large industrial and automated machin... [more]
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