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TOSHIBA
5.5 4200FA 50kVA @ 208 VAC Input/ 208 VAC Output w/Internal Batteries
Model Number
T42F3F500XAMBN
T42F3F500##MBN
Rated Output Capacity
50 kVA
External Dimensions
W x D x H (cm)
35.5” X 38.3” X 59.3”
(90.1 cm x 97.2 cm x 150.6 cm)
Rated Voltage 208 VAC
Voltage Variation +10% to -30%; (-15% to -30%) ****
Rated Frequency 50 / 60 Hz
Input Cables Required 3 phase ; 4 Wire + GND
Dual Input Option Cables required 3 phase ; 4 Wire + GND
* Power Factor Greater than 0.98 when in inverter mode
Required Input kVA 46 kVA
Walk-in Function From 20% to 100% over 5 seconds
Inrush Current Less than 8 times the rated current under synchronous operation
Current Limit 115% maximum
Input
* Harmonic Currents Less than 3% THD
DC Nominal (Voltage Range) 288 VDC (216 to 332 VDC)
Float Charge (Regulation)
324.0 VDC (± 2%)
Ripple Voltage 0.5 V R.M.S.
**Rated Back-up Time 5 min. at full load
Battery
Rated Charge Current 11.5 Amps
Rated Voltage 208 / 120 VAC
Rated Current 138.9 Amps
Rated Power Factor 0.8 lagging
Output Cables Required 3 phase ; 4 Wire + GND
Voltage Regulation (phase-phase)
± 2% (0–100% balanced load);
± 3% (0–100% unbalanced load)
Voltage Adjustment Range
± 5V Manually from key pad
Phase Displacement
± 2° (0–100% balanced load);
± 4° (unbalanced load)
Rated Frequency 50 / 60 Hz
Frequency Regulation
± 0.1% in free running mode
Frequency Synchronous
± 0.5/1.0/1.5 Hz (± 1.0 Hz. std.)
switch selectable by qualified technician
Frequency Slew Rate 1 Hz/s to 3Hz/s(in 0.5 Hz steps)
Voltage Transients
(Recovery time: 50 ms)
± 5% (100% load step change);
± 3% (loss or return of input voltage);
± 8% (transfer of bypass to inverter)
Inverter Overload Capacity 125% 90 sec; 150% 30 sec
Bypass Overload Capacity 1000% 10 ms; 125% 10 min.
Crest Factor 2.5–3.0 within the kW range
Neutral Line Conductor 1.73 (200%) times line rating
Harmonic Voltage Distortion 1.5% max (linear load)
Output
Inrush Current protection Automatic Transfer to bypass, then retransfer to inverter
Efficiency (Typical) AC/DC/AC: 88%; DC/AC: 89%
Heat loss to be removed 17,611 BTU/hr (4,437 kcal/hr)
Audible Noise ~65dB @ 1 meter from the front of the unit
Operating Temperature
32 – 104 °F (0 – 40 °C); optimal temperature is 77 °F (25 °C)
Operating Humidity 30–90% RH (non condensing)
Environment
Altitude *** Less than 2000 meters
Items marked with an (*) are specified at rated conditions under balanced linear loads.
(**) Battery backup time may vary depending on the operating conditions and ambient temperature at the installation site, and an initial
charge time of 24 hrs is necessary to obtain proper battery performance level before the unit is placed in operation.
(***) At 6600-ft (2000 m) above sea level, output capacity should be derated by 3% (Consult Factory for higher elevations).
(****) Prolonged operation at this level requires some derating of the output capacity.
4200FA CT/XT User’s Manual 35