OPTI-UPS MD120L - Manual (Page 54)

Appendix 2 Toxic or Hazardous Materials or Elements Identification Table 51
51
7.7 Electrical Characteristics(Bypass Mains Input)
Table 7-7 Bypass Mains Input
Rated
capacity(kVA)
Unit 36 72 120
Rated AC
Voltage 1
Vac
200/208
three-phase four-wire, sharing neutral with the rectifier input and
providing neutral reference for the output
Rated current A
100@208V
104@200V
200@208V
209@200V
333@208V
348@200V
Overload ％
125％ load, long term
130％ load, 1 hour
150％ load, 6min
1000％ load, 100ms
Superior
protection
bypass line
N/A
Thermal-magnetic breaker, the capacity is 125％ of rated current
output. IEC60947-2 curve C
Current rating
of neutral cable
A 1.7×In
Frequency 2 Hz 50/60
Switch time
(between
bypass and
inverter)
ms Synchronized switch: ≤1ms
Bypass voltage
tolerance
％Vac
Upper limit:+15
Lower limit: -20
Bypass
frequency
tolerance
％ ±2.5, ±5, ±10 or ±20, default: ±10
Synchronization
-Window
Hz Rated frequency±3Hz (selectable from ±0.5Hz～±5Hz)
Note:
1. Factory setting is 208V. Commissioning engineers can set to 200V.
2. Factory setting is 50Hz. Commissioning engineers can set to 60Hz. For example, UPS is set to
frequency inverter mode, and then bypass status will be neglected.
7.8 Efficiency
Table 7-8 Efficiency, Loss and Air Exchange
Rated Efficiency (kVA) Unit 6～120kVA
Efficiency
Normal mode(dual conversion) ％ 90
ECO mode ％ 99
Battery discharging efficiency (DC/AC) (battery at nominal voltage 480Vdc and full-rated linear load)
battery mode ％ 90