Sharon controls offer motor/pump protection relay. These relays sense the negative sequence current components of system supply and offers protection against phase failure, phase unbalance and phase sequence reversal with overload protection [idmtl curves] and under load protection [dry run for pumps]. They eliminate conventional bimetal [thermal] overload relay with superior protection level. Model mprd2 is for motors and spgd2/f3drcl is for pumps [with dry running protection]. These are to be used with current sensor cts. Recommended for effective motor protections in machine tool, compressors and pumps. Mbmpr is microprocessor-based motor protection relay offers voltage, current, temperature-based protection for incoming and outgoing ends. Other aided safety features like stalling [locked rotor], earth fault, etc, commander-m is a microprocessor-based pump protection and management system, suitable for 2 pumps.
