Riello MULTI SENTRY MST 100, Manual

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TECHNICAL DATA
UPS Models MST 60 MST 80 MST 100 MST 125
INPUT STAGE
Nominal Voltage 380-400-415 V AC Three-phase with neutral (4 wire)
Nominal Frequency 50-60Hz
Maximum input current
(1)
96A 125A
155A
211A
Maximum battery current 150A 200A
250A
300A
Input voltage tolerance accepted for
no battery intervention (referred to
400V AC)

20% @ 100% load
-40% +20% @50% load
Input frequency tolerance accepted
for no battery intervention (referred
to 50/60Hz)

20%
40-72Hz
Input current Harmonic Distortion
THDi = 2.5%
(2)
THDi

2,5%
(2)
Input power factor

0.99
Power Walk In mode Programmable from 1 to 125 sec. at steps of 1 sec
OUTPUT STAGE
Nominal Voltage
(3)
380/400/415 V AC three-phase with neutral (4 wire)
Nominal Frequency
(4)
50/60Hz
Output nominal current 87A 116A
145A
181A
Nominal apparent power in output 60kVA 80kVA 100kVA 125kVA
Nominal active power in output 54kW 72kW
90kW
112.5kW
Output power factor 0.9
Short-circuit current 1.5 x In for t > 500ms up to a 2,7 x In
Output voltage precision (referred to
output voltage 400V AC)

1%
Static stability
(5)

0.5%
Dynamic stability

3% resistive load
(6)
Output voltage harmonic distortion
with linear load and normalized
distortion

1% with linear load

3% with distorted
load

1% with linear load

3% with distorted
load

1% with linear load

3,5% with distorted
load

1% with linear load

3% with distorted
load
Crest factor accepted at nominal
load
3:1
Frequency accuracy in free running
mode
0.01%
Inverter overload (Vin>345V AC ) 103% Infinite, 110% 10 min, 125% 1 min
Bypass Overload 110% Infinite,125% 60 minutes, 150% 10 minutes
BATTERY CHARGE STAGE
Nominal voltage

240Vdc
Maximum recharging current
(7)
10A (20A optional) 25A