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9. ANNEXES.
9.1. GENERAL TECHNICAL SPECIFICATIONS.
Models:
TWIN PRO2 T UL
Available power ratings (kVA / kW) (**)
6 / 6
10 / 10
Technology
On-line double-conversion, PFC, double DC bus
Rectifier
Input type
Single-phase
Number of cables
3 cables - Phase-Phase or Phase-Neutral and earth
Rated voltage
208 / 220 / 230 / 240 V AC
Input voltage range with 100% load
176.. 276 V AC
Input voltage range with 50 % load
110.. 300 V AC
Transfer voltage range:
At full load
- Mains voltage low
176 V AC (±3 %)
- Return of low mains
186 V AC (±3 %)
- Mains voltage high
276 V AC (±3 %)
- Return of high mains
266 V AC (±3 %)
Frequency
50 / 60 Hz (auto-detectable)
Input frequency range
± 4 Hz (46.. 54 / 56.. 64 Hz) ± 10%
Power factor
≥
0.99 (at full load)
THDi
< 4%
Inverter
Technology
PWM
Waveform
Pure sine wave
Rated voltage
208 / 220 / 230 / 240 V AC *
Output voltage accuracy
± 2 %
THD linear load voltage
< 2 %
THD non-linear load voltage
< 6 %
Frequency
With mains present, synchronised to rated input (46.. 54 / 56.. 64 Hz)
With mains absent, in backup mode 50 / 60 ± 0.1 Hz
Frequency synchronous speed
1 Hz/sec
Power factor
1
Permissible load power factor
0.5.. 1 inductive
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.
Performance at full load, in line mode with battery 100% charged
> 90 %
Performance at full load, in ECO mode
> 95 %
Overload line mode
100.. 110 %, 10 min. / > 110.. 130 %, 60 sec / > 130 %, 1 sec
Overload battery mode
100.. 110 %, 30 sec / > 110.. 130 %, 10 sec / > 130 %, 1 sec
Crest factor
2.6:1
Number of parallelable devices
Up to 3 UPSs.
Static bypass
Type
Mixed (thyristors in antipa relay)
Rated voltage
208 / 220 / 230 / 240 V AC
Rated 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
Number of batteries in series / group voltage
20 / 240 V DC
Number of battery banks
1
End of backup voltage alarm
10.2 V DC / 204 V DC
Internal battery charger
Charge type
I / U (constant current / constant voltage)
Constant current / constant voltage
1/2/4 A depending on model / 273 V DC (13.65 V DC elem.)
Float voltage, element / group
13.65 V CC / 273 V CC
Maximum charging current
4 A
Recharge time
7 hours to 90%
Voltage/temperature compensation
– 20 mV / ºC per battery from 25 ºC
SLC TWIN PRO2 T
UL
UNINTERRUPTIBLE POWER SUPPLIES (UPS)
USER MANUAL