Relay type LH96 is designer to protect three phase motors and Power grid alternating current from the effects of overloads, short circuits and loss and unbalance. It should be used in conjuction with switches or other fasteners adapted for automatic operation and having a specific ability to turn off short circuit currents. Relay type LH96 is characterised by the following features: operational reliability and accuracy, insensitivity to temperature changes, easy installation and maintenance, small dimensions.