bids are invited for systems and services power controls transformer 9-0-9 , transformer 12-0-12 , electronic integrated circuit preset pcb card , electronic integrated circuit buzzer pcb card , electronic integrated circuit main mother board pcb , led indication lamp-red , air break contractor for 25 kva at , mccb for rated voltage 440v- 240v and rated current 150 amp making-braking capacity 10ka or more , mcb 240v 6a-1a making-breaking capacity 9ka or more as per drawing no cls-re-25kva-2009-01 rev- 01 , buzzer 240v ac 5 watt suitable for 25 kv aco panel , mccb for rated voltage 440v-240v and rated current 300 amp making-braking capacity 10ka or more , mcb 240v 6a- 1a making-breaking capacity 9ka or more as per drawing no cls-re-50kva-2009-01 rev-01 , air break contactor for 50 kva at as per drawing no cls-re-50kva-2009-01 rev- 01 iec 60947-4-1 procurement of spare parts of auto change over panel of total quantity : 610