20kVA Double Conversion Transformer-less 3/1 UPS

Norden's Maxpower Series 20 kVA UPS is an online double conversion UPS that features a single phase in both input and output, and an output power factor of 0.9.This UPS has a flexible battery configuration and redundant design for increased availability

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 18A(Settable)
ECO mode operation for energy saving
Cold start
Intelligent fan speed regulation
Self-testing when UPS start-up

Model		CN7320MP
Capacity	VA	20000
Capacity	Watts	18000
Input	Normal Voltage	380/400/415Vac; (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 Range	Frequency protection range:±10％
	Generator Input	Support
Output	Rated voltage	220/230/240Vac
	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
	Typical recharging Time	6~8 hours (to 90% of full capacity)
	Charging current	18A (Max.)
System features	Transfer time	Mains to battery:0ms; Inverter to bypass:0ms
	Overload Line mode	Load≤110%: last 60min, ≤125%: last 10min, ≤150%: last 1min, >150% turn to bypass mode immediately
	Bypass mode	126A(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-diagnostics	Upon power on and software control
	Battery	Advanced battery management
	Audible & Visual alarms	Line failure, Battery under voltage, Overload, System fault
	LED and LCD Display	Line mode, Bat. mode, Eco mode, Bypass mode, Battery under voltage, Overload & UPS Fault
	LCD Display	Input 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	Dimension	220 x 531 x 450
Physical	Weight	28
Standards	Safety	IEC/EN62040-1, IEC/EN62477-1
Standards	EMC	IEC/EN62040-2, IEC61000-4-2, IEC61000-4-3, IEC61000-4-4, IEC61000-4-5, IEC61000-4-6, IEC61000-4-8, IEC61000-4-11, IEC61000-2-2