Tender For supply of power equipment d d-- stationary valve regulated lead acid batteries (v2) as per is 15549 (q3) , high low input voltage disconnector 3 phase , phase and neutral balancing system 3 phase , voltage and current protector 3 phase , surge protection thundering arrester , power cable 4 core 16 mm copper outdoor , 20 kva servo motorcontrolled stabillizer 3 phase in 3 phase out , ups 20 kva 3 phase in single phase out with 2 hrs backup