Riello UPS MASTER HE, User Manual, Page: 55 / 57

0MNMHEM30RUENUB 00 pag. 55 / 57
Electrical Data MASTER HE Power (KVA)
300 400 500 600 800
BYPASS
Rated voltage
400Vca 3-phase + N (configurable from 380V to 415V)
Rated voltage tolerance ± 20% (adjustable from ± 5% to ± 25% from control
panel)
Rated frequency
50 or 60Hz (auto-sensing)
Frequency tolerance
± 2% ( ±1 ÷ ± 6% from control panel)
Switching onto bypass with synchronized
Inverter (UPS in “Normal Mode”)
< 1ms
Switching onto bypass with Inverter out of sync
(UPS in “Normal Mode”)
100 ms
20 ms
10÷100 prog.
Switching from bypass to Inverter (UPS in
“Stand-by On mode”)
from 2 to 5ms
Delay in transfer onto Inverter after switching
onto bypass
4 ms
Power overload capacity of the bypass line 110 % for 60 minutes, 125 % for 10 minutes, 150 % for 1
minute
i²t SCR bypass (8÷10ms) [A²s]
25°C
125°C
1800k
1200k 6480k
5120k
Short circuit capacity of the bypass line (x rated
current)
1 second
500 ms
200 ms
100 ms
10 ms
12
13
15
17
25 9
10
11
13
18
7
8
9
10
15
12
14
16
18
25 9
10
12
13
18