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9. ANNEXES.
9.1. GENERAL TECHNICAL FEATURES.
Models:
TWIN PRO
TWIN/3 PRO
Available powers (kVA / kW) (**)
4 / 4
5 / 5
6 / 6
8 / 8
10 / 10
8 / 7.2
10 / 9
15 / 13.5
20 / 18
Technology
On-line double conversion, PFC, double DC bus
Rectifier
Input typology
Single phase
Three phase
Quantity of wires
3 wires - Phase R (L) + Neutral (N) and PE
5 wires - 3 Phases R (L1), S (L2), T (L3) + Neutral (N) and PE
Nominal volage
208 / 220 / 230 / 240 V AC
3 x 360 /3 x 380 / 3 x 400 / 3 x 415 V AC
Input voltage range wirh 100 % load
176÷276 V AC
3 x 305÷478 V AC
Input voltage range with 50 % load
110÷300 V AC
3 x 190÷520 V AC
Voltage range of transference:
At full load
- Low mains voltage
176 V AC (±3 %)
305 V AC (± 3 %)
- Low mains voltage returned
186 V AC (±3 %)
322 V AC (± 3 %)
- High mains voltage
276 V AC (±3 %)
478 V AC (± 3 %)
- High mains voltage returned
266 V AC (±3 %)
460 V AC (± 3 %)
Frequency
50 / 60 Hz (autosensing)
Input frequency range
± 4 Hz (46-54 / 56-64 Hz)
Power factor
> 0.99 (at full load)
Inverter
Technology
PWM
Wave shape
Pure sinewave
Nominal voltage
208 / 220 / 230 / 240 V AC
3 x 360 / 3 x 380 / 3 x 400 / 3 x 415 V AC
Output voltage accuracy
± 1 %
Voltage THD with linear load
< 1 %
<2%
Voltage THD with non-linear load
< 4 %
<5%
Frequency
With mains , synchronised with nominal input (46-54 / 56-64 Hz)
Free running, battery mode 50 / 60 ±0.1 Hz
Free running, battery mode 50 / 60 ±0.05 Hz
Slew rate
1 Hz/sec.
Power factor
1 (by default)
0.9 (by default)
Permissible load power factor
0.5 to 1 lagging
Transfer time, inverter to battery
0 ms.
Transfer time, inverter to bypass
0 ms.
Transfer time, inverter to ECO
0 ms.
Transfer time, ECO to inverter
< 10 ms.
Efficiency at full load, on normal mode with battery
100% charged
> 93 %
> 90 %
Efficiency at full load, on ECO mode
> 99 %
> 96 %
Overload on normal mode
100-110 %, 10 min.
> 110-130 %, 60 sec.
> 130 %, 1 sec.
Overload on battery mode
100-110 %, 30 sec.
> 110-130 %, 10 sec.
> 130 %, 1 sec.
Crest factor
3:1
Quantity of parallel equipments
Up to 3 UPSs
Static Bypass
Type
Hybrid (thyristors in antipa relay)
Nominal voltage
208 / 220 / 230 / 240 V
Nominal frequency
50 / 60 Hz ±4 Hz
Overload
< 130 %, constant
> 130 %, 60 sec.
Batteries
Voltage / capacity
12 V DC / 7 Ah
12 V DC / 9 Ah
12 V DC / 9 Ah
Quantity of batteries per string / set voltage
20 / 240 V DC
20 / 240 V DC
Quantity of battery strings
1
2
Low battery voltage, battery block / string
11.4 V DC / 228 V DC
SLC TWIN PRO2
UNINTERRUPTIBLE POWER SUPPLY (UPS)
USER'S MANUAL
