The PGT-0400 is a ground-fault-relay test unit designed to test current pickup level, time-delay and coordination of ground-fault protection. The tester injects current through the window of installed ...

Protecting personnel and equipment from damage is a top priority for most companies, especially those whose work involves industrial power systems. The neutral grounding resistor (NGR) with integral ...

Littelfuse, Inc. has announced its RCD300M2 Differential Current Relay, designed to improve worker safety and protect equipment from dangerous electrical ground faults. To avoid nuisance tripping that ...

Power systems today operate in an environment where reliability and safety must be maintained despite rising loads, expanding ...

According to the IEEE Buff Book, "A power cable must be protected from overheating due to excessive short-circuit current flowing in its conductor," which may damage or destroy the insulation. It also ...

The Vigirexâ„¢ ground-fault relays are designed for use on equipment, such as HVAC units and manufacturing machines, used in industrial and commercial facilities. These ground-fault devices are ...

The objective of protective relays and protective schemes is to protect electrical equipment such as transformers, lines, cables, bus bars, etc. during abnormal system conditions. Hence, protective ...