Available with model number SPG D2, Dry Run and Overload Protection Relays are manufactured by Minilec [India] Pvt. Ltd. Minilec [India] Pvt. Ltd. Is an ISO 9001 certified company. The approximate weight of Dry Run and Overload Protection Relays is 425 grams. This machine protects pump from Dry running, Overloading, Single Phasing, Unbalance currents and Phase sequence faults. Dry Run and Overload Protection Relays with Phase failure have the following features: