Solar Hybrid UPS

LENTO 2550 24V DC

Product Details:

KEY FEATURES
Highly efficient battery charging algorithm as a result you will get non-stop power
Advanced DSP technology with Arm Cortex controller for absolute and stable and 100% pure sine wave output
Indications for Mains ON, UPS ON, Battery Low, Charging/Discharging, Over Load, Short Circuit, Thermal Trip on LCD Display
User-Friendly LCD for the display of mode of operation and all parameters
DUAL MODE OF WORKING : UPS AND NORMAL
UPS Mode : Fast switching, Input operating range from 180V to 260V
Normal Mode: Wide Input operating range from 100V to 290VA
DUAL BATTERY CHARGING MODE : TUBULAR AND SMF BATTERY MODE
Different Battery selection mode to enhance the battery life
Intelligent overload sensing circuitry with auto retries facility
Programmable thermal protection : cooling fan which operates as needed
High Power new generation MOSFET cable to handle highin-rush/ surge current
Double stage MOSFET Over Current Protection by measuring Rds ON
Highest efficiency at lower cost
Pure Sine Wave Output with low Total Harmonic Distortion (THD)
High End ARM-Cortex based design of Solar Charge Controller for charging through Solar Power
Eco-Friendly operation
Electronic Over Current Charging Protection
No mechanical contact for charge controller
Designed for continuous reliable and robust operation

Product Details:

Technical Specifications
Parameter Unit Rating
Full Load Input Current ±2A Amp 85
Input voltage max Voc Vdc 50
Maximum Solar array power Wp 2500
Max current rating of SCC Adc 70
Nominal Output voltage in inverter mode Vac 220V ± 7V
Nominal Output Frequency of Inverter Hz 50 ± 1 HZ
Output voltage regulation % 180-220
Overload capacity Sec 6 Retry
Cooling Fan ON at temp OC 60 (or >50% of Rated Load or >8A Charging or Solar I>15A)
Cooling Fan Off at temp OC 55 (or <40% of Rated Load or <5A Charging or Solar I<8A)
Battery low voltage alarm per battery Vdc 10.8 /10.5± 0.2 (11.5-default for LiFePo4 batt)
Battery low voltage cut per battery Vdc 10.5 /10.2± 0.2 (With 4 Retry) (11.0-default for LiFePo4 batt)
Batter low cut recovery per battery through Solar Vdc 12.7 ± 0.2 (or Mains or reset swich on front panel)
14.4 ± 0.2
Max Battery charging voltage by grid per battery Vdc settable for Tub-14.4V/28.8V,FALT-14.2V/28.4V,SMF-14.2V/28.4,GEL-14.2V/28.4V, LiFePo4-14.0V/28.0V
settable for Tub-13.8V/27.6V,FLAT-13.6V/27.2V,SMF-13.8V/27.6,GEL-13.8V/27.6V, LiFePo4-Maintain Boost With Trickle Charging
Max Battery charging current by grid in Hi/Lo option Adc 16/12 ±2A
settable for Tub-12/16A,FLAT-10/14A, SMF-10/14A,Gel-10/16A, LiFePo4-12/16
14.4 ± 0.2
Max Battery charging voltage by Solar per battery Vdc settable for Tub-14.4V/28.8V,FALT-14.2V/28.4V,SMF-14.2V/28.4,GEL-14.2V/28.4V, LiFePo4-14.0V/28.0V
settable for Tub-13.8V/27.6V,FLAT-13.6V/27.2V,SMF-13.8V/27.6,GEL-13.8V/27.6V, LiFePo4-Maintain Boost With Trickle Charging
Battery High cut with Alarm per battery Vdc 15.5±0.2
Battery High cut Recovery per battery Vdc 14.5±0.2
Max Battery charging current by Solar Vdc 20/30±2A ( Selectable from Setting)
Max Charging current to battery by Solar+Grid Vdc 20/30±2A ( Selectable from Setting)
Grid low cut voltage (IT load/Normal load) Vdc 180/100 ± 10
Grid low cut voltage recovery (IT load/Normal load) Vdc 190/100 ± 10
Grid high cut voltage (IT load/Normal load) Vdc 265/280 ± 10
Grid high cut voltage recovery (IT load/Normal load) Vdc 255/270 ± 10
Grid charging Enable/Disable Yes
Selection of UPS Load/Normal Load Yes
More Specifications
Protections Overload, Battery Deep discharge,Battery Overcharge,Short circuit(1retry),Battery Hi,PV Reverse,PV High,Over Temp,Fuse/MCB Trip,battery reverse
Enclosure Protection IP 20
Changeover time from inverter to mains in UPS Mode ms <10
Changeover time from mains to inverter in Normal Mode ms <40
Fuse in battery path Internal Fuse
Grid By pass Manually Through switch
Input Protection Resettable Circuit breaker
RESET Switch - If Switch is press for ~2Sec Then LCD Screen Hold and again Press ~2Sec LCD Screen Release and if Long Press ~5Sec after that beep sound then the all setting wil be resetted to default value.