Specifications and Technical Data
67 Liebert
®
eXM
™
8.3 UPS Electrical Characteristics
Refer to additional circuit breaker notes in 3.2.7 - Accessory Fuses and Back-Feed Breaker
Wiring.
NOTE
The breakers and cables used must be in accordance with NEC ANSI/NFPA 70. A disconnect
breaker must be provided for AC input, DC input and AC output. Recommended cable sizes are
suitable for operation at a maximum temperature of 104°F (40°C).
Table 23 UPS currents and terminals—Input (for single-input unit, 208V operation)
Unit
Rating
Nominal
Input Current
Maximum
Input Current
OCP Device
Rating Bolt Size
75°C Wire
Current, Total
Copper
Wire
Aluminum
Wire
60 178 205 300 M12 400 (2) 3/0 (2) 4/0
80 237 273 350 M12 460 (2) 4/0 (2) 300 kcmil
100 297 341 450 M12 610 (2) 350 (2) 400 kcmil
Table 24 UPS currents and terminals—Input (for dual-input unit only, 208V operation)
Unit
Rating
Nominal
Input Current
Maximum
Input Current
OCP Device
Rating Bolt Size
75°C Wire
Current Total
Copper
Wire
Aluminum
Wire
60 178 205 300 M12 400 (2) 3/0 (2) 4/0
80 237 273 350 M12 460 (2) 4/0 (2) 300 kcmil
100 297 341 450 M12 610 (2) 350 (2) 400 kcmil
Table 25 UPS currents and terminals—Bypass input (for dual-input units, 208V operation)
Unit
Rating
Nominal
Input Current
OCP Device
Rating Bolt Size
75°C Wire
Current, total
Copper
Wire
Aluminum
Wire
60 167 225 M12 285 (1) 300 (2) 2/0
80 222 300 M12 400 (2) 3/0 (2) 4/0
100 278 350 M12 460 (2) 4/0 (2) 300 kcmil
Table 26 UPS currents and terminals—Output 208V
Unit
Rating
Nominal Output
Current
OCP Device
Rating
Bolt
Size
75°C Wire
Current, total
Copper
Wire
Aluminum
Wire
60 167 225 M12 285 (1) 300 (2) 2/0
80 222 300 M12 400 (2) 3/0 (2) 4/0
100 278 350 M12 460 (2) 4/0 (2) 300 kcmil
Table 27 AC/AC efficiency, loss and air exchange
AC/AC Efficiency Data
Normal Mode (dual conversion), % 95.5 maximum
Inverter Efficiency (DC/AC) (battery at nominal voltage 288VDC and full-rated linear load)
Rated Power, kVA 60-100
Battery Mode, % 94.8, Maximum
Heat Losses and Air Exchange
Rated Power, kVA 60 80 100
Normal Mode, kW 2.7 3.6 4.5
No Load, kW 0.9 1.2 1.5
Maximum forced air cooling
(front intake, rear exhaust), L/sec (m
3
/hr)
96 (346) 128 (462) 160 (575)
Heat Dissipation, BTU/Hr (kWH)
Without Transformer 9213 (2.7) 12,284 (3.6) 15,354 (4.5)