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;

2)      Sealed maintenance-free (SMF) batteries with specifications of  6720 VAH or more (and minimum rating of 26 AH or 42 AH);

3)      Front panel display on voltage, current and frequency in both input and output.