TOSHIBA
19
5.0 Specifications
5.1 4200 Series Specifications 75 and 100kVA @ Standard 208Vac Output
Model Number U42B3F750C6CB U42B3F10KC6CB
Rated Output Capacity 75kVA 100kVA
External Dimensions 0 0
Rated Voltage 208V/120V
Voltage Variation +10% to –15% ; (-15% to –30%) ****
Rated Frequency 50/60 Hz
Number Phases / Wires 3 Phases ; 4 Wire + GND
* Power Factor Greater than .98 when in inverter mode
Required Input KW 75 100
Walk-in Function From 20% to 100% over 5 seconds
Inrush Current Less than 12 times rated current under synchronous operation
Current Limit 115% maximum
Input
* Harmonic Currents Less than 3% THD
DC Nominal (Voltage Range) 240VDC (210 to 276VDC) 324VDC (284 to 374VDC)
Float Charge (Regulation)
274VDC (±2%) 2.28V/cell 370VDC (±2%) 2.28V/cell
Ripple Voltage 2% R.M.S.
**Rated Back-up Time Refer to Battery System Manual
Battery
Rated Charge Current 20.0 Amps
Rated Voltage 208 / 120 VAC
Rated Current 208.3 Amps 277.8 Amps
Rated Power Factor .8 lagging
Number Phases / Wires 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 front 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
± .5/1.0/1.5 Hz (± 1.0 Hz. std.) switch selectable by qualified technician
Frequency Slew Rate 1 Hz/s to 3Hz/s
Voltage Transients
(Recovery time: 50 msec.)
± 5% (100% load step change); ± 3% (loss or return of input voltage);
± 8% (transfer of bypass to inverter)
Inverter Overload Capacity 125% 30 sec ; 150% 5sec
Bypass Overload Capacity 1000% 10msec; 125% 10 min.
Crest Factor 2.5
Neutral Line Conductor 1.73 times line rating
Harmonic Voltage Distortion 1.5% max (linear load)
Output
Inrush Current protection Automatic transfer to bypass, then retransfer to inverter
Efficiency ac/dc/ac: 90% ; dc/ac: 92%
Heat loss to be removed 22178 Btu/hr (5586kcal/hr) 27296 Btu/hr (6879 kcal/hr)
Audible Noise 75db (A) at 1 meter from the units front display
Operating Temperature
0°-40° C; optimal temperature is 25° C
Operating Humidity Less than 90% RH (no condensation)
Environment
Altitude *** Less than 1000 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 deration of output capacity.
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