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UPS Specifications
35
5.4.1 Input Rectifier
Battery
Unit
Rating
Nominal
Discharge
Current
Maximum
Discharge
Current
OCP
Device
Rating
Bolt
Size
Maximum
Recommended
Lug
(Thomas &
Betts Part #)
Compression
One-Hole; 3/8"
bolt
40 82 at 480VDC 103 at 384VDC 125 M8 54106
60 122 at 480VDC 155 at 384VDC 175 M8 54107
80 163 at 480VDC 206 at 384VDC 225 M8 54152-TB
100 204 at 480VDC 258 at 384VDC 300 M8 54157
120 244 at 480VDC 309 at 384VDC 350 M8 54167
160 367 at 480VDC 412 at 384VDC 450 M10 54115
200 408 at 480VDC 515 at 400VDC 600 M10 54115
1. Nominal (Nom) current is based on full rated output load.
2. Maximum (Max) current (125% of nominal) is short duration for battery recharge conditions.
3. UPS input and bypass cables must be run in separate conduit from output cables.
4. Nominal battery voltage is shown at 2.0 volts/cell per NEC 480-2.
5. OCPD = Overcurrent Protection Device. Recommended AC input and AC output overcurrent protection represents 125% of nominal full
load current (continuous) per NEC 215.
6. Minimum-sized grounding conductors to be per NEC 250-122. Parity-sized ground conductors are recommended. References are per
NEC 1999.
7. Wiring requirements:
a. AC Input: 3-phase, 3-wire, plus ground.
b. AC Output: 3-phase, 3-wire, plus ground.
8. All wiring is to be in accordance with national and local electric codes.
Table 9 Rectifier input power
Rated Power kVA
40 60 80 100 120 160 200
Rated Voltage, VAC 480
Supply 3-phase, 3-wire plus ground
Input Voltage Tolerance, VAC
(without derating)
384-552
Frequency, Hz 57-66
Power Factor > 0.99 at full load; >0.98 at half load
Harmonic Current Less than 3% at full rated UPS output load
See Table 8 for current ratings.
Overload capacity of input current: 100% Imax <I<125% Imax: 60 min
125% Imax <I<150% Imax: 10 min; >150% load, less than 200msec
Table 10 Input voltage window with derating
Input Voltage Window
(L-L Voltage)
Percentage
of Nominal
Inverter Load,
Percentage
Charger Load,
Percentage
432VAC to 552VAC
90-115 100% 100%
431VAC to 384VAC
80-89 100% 30%
383VAC to 360VAC
75-79 100% 0%
359VAC to 288VAC 60-74 80% 0%
Table 8 UPS terminal (continued)