Feeders- 1 & 2 and Bus Coupler Power Contactors, 3 Pole, 1000V AC, 50HZ, Suitable for 500 kVA, 750V AC on load switching under AC- 6A category at temperature of 70 degree Celsius & coil voltage of 110V + 25 %- 30 % DC with Surge suppressor, 2NO + 2NC. as per RDSO Spec. No. RDSO/ PE/ SPEC/ TL/ 0195- 2019 ( Rev.- 0 ) for Switch Board Cabinet of HOG complaint LSLRD coaches, Make ABB AF1250- 30- 11, L & T MVO 820, SEIMENS 3 TF69338DF4ZA02 + 3TX75723H, L & T MV0820