American Power Conversion SYMF800KH - Manual (Page 9)

Symmetra MW 800 kW 3 × 400/230 V Installation - 990-1510D 3
System Overview
UPS Sections
Serial number
The serial number is stated on the type label behind the finishing panel above the display unit.
Remove finishing panel to see serial number.
Inverter Section
The Inverter Section regulates the UPS output and operates from battery power in the event of utility
input loss.
Control Section
The Control Section controls and monitors the UPS and the Mains Static Switch Module
(incorporated in the Control Section).
Input/Output Section
The Input/Output Section provides electrical connection of input and output.