Eaton 93PM-50-1 - Page 107

Eaton 93PM Emergency Lighting UPS (50 kW, 480V Three and Four-Wire UL 924) Installation and Operation Manual P-164000569—Rev 03 97
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The UPS is housed in a free-standing cabinet with safety shields behind the door. The UPS is available in
50 or 60 Hz with various output power ratings.
Model
Power Rating
Frequency
Eaton 93PM-50-1
20 kW
50/60 Hz
Eaton 93PM-50-1
30 kW
50/60 Hz
Eaton 93PM-50-1
40 kW
50/60 Hz
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The following sections detail the input, output, environmental, and battery specifications for the UPS.
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Operating Input Voltage
Rectifier: 480 Vac Wye, 3W + ground. Neutral not used.
Bypass: 480 Vac Wye, 3W or 4W + ground.
Operating Input Frequency Range 50/60 Hz
Operating Input Current
See Table 5.
Reduced for Generator
Adjustable
Input Current Harmonic Content 3% THD at full load
Power Factor Minimum 0.99
Line Surges 6 kV OC, 3 kA SC per ANSI 62.41 and IEC 801 4
Battery Voltage 240 cell – 480 Vdc
Battery Charging Capacity 29.3 A maximum per 50 kW module at full load at nominal input voltage
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UPS Output Capacity 100% rated current
Output Voltage Regulation ± 1% (10% to 100% load)
Output Voltage 480 Vac Wye, 3W or 4W + ground
Output Voltage Harmonic Content
1.5% maximum THD (linear load)
5% maximum THD (nonlinear load)
Output Current
See Table 5.
Output Voltage Balance < 2% for 100% maximum load imbalance (linear load)
Output Voltage Phase Displacement < 2.5° for 100% maximum load imbalance (linear load)