UPS with separate Normal and Bypass AC inputs, supplied by separate sources
MLVS 1
MLVS 2
MLVS 1
MLVS 2
Change in SEA between upstream and downstream or galvanic isolation required
MLVS 1
MLVS 2
Frequency converter (without Bypass AC input)
Configuration used when the frequency of the application differs from the Mains (Example: marine
requirements).
Main
lowvoltage
switchboard
(MLVS)
Hot stand by
Configuration used to provide N+1 redundancy to critical loads.
Main
lowvoltage
switchboard
(MLVS)
Bypass AC
11
10
Normal AC
Bypass AC
11
10
Normal AC
Bypass AC
11
10
Normal AC
11
10
Normal AC
Bypass AC
11
10
Normal AC
(*)
(see page 18)
11
10
Normal AC
8
or
8
8
8
8
8
2. Installation
Load
Load
Load
Load
Load
34007558EN/AE - Page 19