User guide

45
MASTER DIALOG 12RT
INDUSTRY Range
MODELS 12RT 250 12RT 300 12RT 400 12RT 500 12RT 600 12RT 800
POWER (kVA) 250 300 400 500 600 800
INPUT
Rated voltage (V) 380-400-415 Vac three-phase
Voltage range ± 20%
Frequency range 50 ÷ 60 Hz ± 5%
Total harmonic distortion < 4% in CLEAN version
BY PASS
Rated voltage (V) 380-400-415 Vac single-phase
Permitted voltage range ± 15% (selectable from ± 10% to ± 25% from front panel)
Rated frequency 50/60 Hz (autorange)
Permitted frequency range ± 2% (selectable from ± 1% to ± 5% from front panel)
Standard features Back Feed protection; separate bypass line
BATTERIES
Type Lead, flooded and VRLA AGM / GEL; NiCd
Maximum recharge current (A) 0,2xC10
RECTIFIER OUTPUT
Maintenance voltage Variable acc. to temperature (-0,5 Vx°C)
Ripple <1%
INVERTER OUTPUT
Rated power (kVA) 250 300 400 500 600 800
Rated power (kW) 200 240 320 400 480 640
Number of phases 3 + N
Rated voltage (V) 380-400-415 three-phase + N
Rated current (A) 362 434 579 724 869 1159
Crest factor (Ipeak/Irms) 3 : 1
Waveform Sinewave
Static stability ± 1%
Dynamic stability ± 5% in 5ms
Frequency 50/60 Hz configurable
Overload 110% 125% 150% of the rated current for 60’/10’/1’
Frequency stability
± 0,05% on mains failure
± 2% with mains supply present
ENVIRONMENTAL
Weight (kg) 2200 2600 3600 4000 5300
Dimensions (hwd) (mm) 1900x1630x850 1900x1630x1000 1900x3200x980 1900x4400x1000
Remote signalling volt free contacts
Remote controls EPO and bypass
Communication RS232 + remote contacts
Operating temperature O °C - 40 °C
Relative humidity < 95% non condensing
Colour Light grey RAL 7035
Noise <70 dBA at 1 m <78 dBA at 1 m
Protection rating IP20
Efficiency > 93 % > 94 %
Compliance Safety EN 62040-1 EMC EN 62040-2 Directives 73/23-93/68-89/336 EEC EN 62040-3
OPTIONS
Isolation transformer module
UPS Group Synchroniser (see UGS)
Hot connection device (see PSJ)
Interface for generator
LED remote status panel
LCD based remote control panel
Closed loop parallel kit option (to be ordered with the unit)
Empty battery cabinets for prolonged runtime