The technology on which gelco`s electronic overload relays are based on is ic technology. Following are some of the technical features which include: the electronic overload relays. No separate single phasing preventer is needed. The overload relays weigh 510 gms approximately and measure 110 mm x 65 mm x 85 mm approximately. Some of the functional features of these electronic overload relays include: these oveload relays protect the motor against overloading, single phasing and reverse phasing. These overload relays provide single phasing protection up to motor terminal. As the relays with current sensing single phasing preventers, they are very slim and compact. Cts are in-built.