Ref No. R/4254(III)/07, dt. 29-11-07. Last date for the submission: 10.12.2007
Asking for tender documents for one (number) 5 KVA (input: 1phase; output: 1phase) true online UPS system with inbuilt static switch and inbuilt isolation transformer, with
1) 1 hour battery backup;
maintenance-free (SMF) batteries with specifications of 6720
3) Front panel display on voltage, current and frequency in both input and output.