APC InfraStruXure Power Supply Specifications download pdf (Page 82)

Specifications: InfraStruXure 20kW System

76 InfraStruXure 20kW System: Installation, Operation, and Maintenance

Input

Input Current

Normal 61.3A Current that flows at nominal mains with batteries fully

charged

Maximum 70.9A Current that flows at nominal mains with charging batteries

Limit 89.4A The maximum continuous input current limit that can be

drawn at low mains with charging batteries

Overload 115.0A For 30 seconds. Based on 150% overload on output

Walk-in duration 15s On re-transfer from mains to battery, RMS current will

linearly ramp in for 10 seconds.

Power factor 0.99 At full load

Total harmonic distortion (THD) < 6% At full load

Input Voltage—normal operation

Nominal 208V

Minimum 166V At less than full load, the UPS will operate from mains

power to lower voltages.

Maximum 240V Above 240V, the UPS will operate from battery power.

Input Voltage—static bypass

Minimum 183V

Maximum 233V

Input Frequency

AC mains input 40–70Hz Outside of this range, the UPS will operate from battery

power.

Batteries

Battery type Maintenance-free, sealed, lead-acid battery with suspended electrolyte—

leakproof

Battery voltage

Nominal battery voltage ± 192Vdc

Float voltage ± 219Vdc

No boost charge voltage

End of discharge voltage ± 160Vdc May be higher at less than full load.

Temperature compensation –320mV per

°C

For temperatures greater than or

equal to 20°C.

0mV per °C For temperatures less than 20°C.

Battery charging

2kW N system—2 power modules (May drop to lower values at

low AC Mains.)

Maximum charging power

3kW N+1 system—3 power modules (May drop to lower values

at low AC Mains.)

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APC InfraStruXure Power Supply Specifications Page 82

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