• Ranging from 5 HP to 40 HP • Electrolytic Copper Contacts with Double Break System, Ensure long life and Better Conductivity • Changeover from Star to Delta is Manual. Especially this Model Suitable for Heavy Starting Load Machine. • No Volt coil, Tripping coils and Contacts are immersed in oil, thus absorbs Coil Temperature and Sparking of Contacts. • No Volt coils are designed to withstand wide voltage fluctuations. • Magnetic Overload Relay - Tripping is Fast and Sensitive; So Separate Single Phase Preventer is not compulsory. • Magnetic type over load Relay • Transformer Oil - 4.25 Ltrs