Supply Of Working And Non-Working Net- 1 & 2 Power Contactors, 3Pole, 1000V Ac, 50Hz, Suitable For 500Kva, 750V Ac Onload Switching Under Ac-6A Category At Temperature Of 70 Degree Celsius & Coil Voltage Of 110V+25% -30% Dc At Temperature Of 70 Degree Celsius With Surge Suppressor 2No+2Nc.