HOG A & B main power contactors, 3 pole, 1000v AC, 50hZ, suitable for 500 KVA, 750 V AC On load swithing under AC- 6A category at temperature of 70 degree C & coil voltage of 415V AC + 10 %- 20 % with surge suppressor, 2NO + 2NC. As per RDSO spec no- RDSO/ PE/ SPEC/ D/ TL/ 0195- 2019 ( Rev.- 0 ) suitable for switchboard cabinet for HOG compliant LSLRD coaches. Make- ABB AF1250, L & T MOV 820, Siemens 3TF69448 CQ7Z A02 only.