bids are invited for heavy duty numerical relay with 3 o c and 1 e f ald 6656 , master trip relay ald 6634 , power pack unit for emergency backup ald 6644 , ampere meter digital al 79662 , voltmeter digital al 79701 , breaker wiring set ald 6088 , breaking chamber insulator with internal parts ald 6023 , spring charging motor al 37021 , tripping and closing coil assembly ald 6064 , breaker control switch ald 6622 , anti pumping relay ald 6034 , auxiliary contact ald 6058 , potential transformer 33kv 110v al 60151 ,current transformer rario 50 25 5 5a al 84572 ,supporting insulator with accessories ald 6042 ,transformer auxiliary relay ald 6681 , panel internalwiring complete set consisting of voltmeter ammeterindication lamps and selector switchs ald 6604 , pole boxwith base ald 6091 , control cable connecting set ald6080 , mechanism with spring charge motor ald 6010 total quantity : 74