Minilec [india] pvt. Ltd., an iso 9001 certified company is the manufacturer of voltages monitoring relays. The voltages monitoring relays are mainly designed for 3 ph or 1 ph electrical power supply system. These are suitable for monitoring balanced or unbalanced 3phase 3 wire, 3phase 4 wire and single phase loads powered by generator, ups, stabilizers, inventors or electric board. These are mainly used to protect against fluctuating voltage to start stand by generators. These are also used, to operate main mains failure units. The features of the voltages monitoring relays are as follows: