20kVA Double Conversion Transformer-less 3/1 UPS

Maxpower Series is a small to medium power transformer-less UPS of CellNor. This is an online double conversion UPS with power factor of 0.9. The CN7320MP model supports ECO operation mode.

Maxpower Series is a small to medium power transformer-less UPS of CellNor. This is an online double conversion UPS with power factor of 0.9. The CN7320MP model supports ECO operation mode.

GENERAL FEATURES

  • Online double conversion with DSP control
  • Wide input range:208~478Vac
  • Wide input frequency range:40~70Hz
  • Support parallel function(Optional)
  • Optimization battery group, the quantity of battery:16/18/20pcs
  • Support 3/1 and 1/1 operation
  • Maximum charging current up to 16A(Settable)
  • ECO mode operation for energy saving
  • Cold start
  • Intelligent fan speed regulation
  • Self-testing when UPS start-up


ModelCN7320MP

Capacity

VA

20000

Watts

18000

Input

Normal Voltage380/400/415Vac; (3Ph+N+PE), 220/230/240Vac (L+N+PE)

Operating Voltage Range

208~478Vac, 120~276Vac

Operating Frequency Range

40~70Hz (50/60Hz Auto-Sensing)

Power Factor

≥0.99 

Bypass voltage range

Max.voltage: 220V: +25%(optional +10%,+15%,+20% )

230V: +20% (optional +10%,+15%),

240V: +15% (optional +10%)

Min.voltage: -45% (optional -20%,-30%)

Bypass Freq RangeFrequency protection range:±10%
Generator InputSupport

Output

Rated voltage220/230/240Vac 

Power Factor

0.9

Voltage Regulation

±1%

Freq. Line mode

±1%/±2%/±4%/±5%/±10% of the rated frequency(optional)

Freq. Bat. mode

50Hz / 60Hz (±0.1)Hz

Crest Factor

3:1

Harmonic Distortion (THDv)

≤2% with linear load, ≤5% with non-linear load

Efficiency

>94%

Battery

Battery Voltage

192/216/240Vdc

±96/108/120Vdc (optional)

12V/7Ah/9Ah

Typical recharging Time

6~8 hours (to 90% of full capacity)

Charging current

2.7A standard unit) ; Max.current 18A(Long run unit)

System features

Transfer timeMains to battery:0ms; Mains to bypass:0ms

Overload

Line mode: Load≤110%: last 60min, ≤125%: last 10min, ≤150%: last 1min, >150% turn to bypass mode immediately

Bypass mode: 125A(Breaker)

Short circuit

Hold whole system

Overheat

Line mode: Turn to bypass; Backup mode: shut down UPS immediately

Battery low
Alarm and switch off
Self-diagnosticsUpon power on and software control
BatteryAdvanced battery management
Audible & Visual alarms
Line failure, Battery under voltage, Overload, System fault
LED and LCD DisplayLine mode, Bat. mode, Eco mode, Bypass mode, Battery under voltage, Overload & UPS Fault
LCD DisplayInput voltage, Input frequency, Output voltage, Output frequency, Load percentage, Battery voltage, Inner temperature & Remaining battery backup time
Communication interface
RS232, USB,SNMP card(optional), Parallel card(optional), Relay card (optional)

Environment

Operating temperature

0~40°C

Storage temperature

-25~55°C

Humidity range

0~95% (Non-condensing)

Altitude

<1500m

Noise Level<58dB at 1 Meter

Physical

DimensionE: 220 x 531 x 450 ; I:250 x 900 x 868

Weight

28/171

Specifications are subject to change without prior notice


STANDARDS

Safety

IEC/EN62040-1, IEC/EN60950-1
EMC
IEC/EN62040-2, IEC61000-4-2, IEC61000-4-3, IEC61000-4-4, IEC61000-4-5, IEC61000-4-6, IEC61000-4-8

                                                                     

Part NumberDescription

CN7320MP

20kVA Medium Power Transformerless UPS