- ACTIVE series -
- 27 -
POWER CONNECTION DETAILS
S3T - THREE PHASE VERSION
The first wire to be connected is the protective earth wire, which is to be inserted in the terminal marked PE.
During operation the UPS must be connected to the earthing system.
Connect the input and output cables to the terminal blocks as indicated in the figure below:
TERMINAL BLOCK COLOURS
RED BLACK GREY BEIGE BLUE
External battery positive External battery negative Input & Bypass Phases Output Phases
Input, Output and external
battery Neutral
THE INPUT AND BYPASS NEUTRALS MUST ALWAYS BE CONNECTED.
DUAL INPUT VERSION (OPTIONAL)
THE INPUT AND BYPASS LINES MUST BE REFERENCED TO THE SAME NEUTRAL POTENTIAL.
Jumpers (for more details about their installation or removal, refer to "APPENDIX")
The jumpers are installed by default to connect the bypass to input terminal blocks. Remove these jumpers if a separate bypass has
to be connected.
Note: connection to the BATTERY terminal blocks is only required if an (optional) Battery Cabinet is present.
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