Low Frequency Solar Off-Grid Inverters (+)

Low Frequency Solar Off-Grid Inverters (+) RSI-LF+

RSI-LF+ series is a pure sine wave low frequency solar off-grid inverter with built-in MPPT solar charge controller of 60A/120A.

The comprehensive LCD display offers user-configurable and easy-accessible button operation such as battery charging current, AC/solar charger priority, and selectable input voltage based on different applications.

Rekoser Rekoser inverters

Features

  • Rated power 4kw to 12kw
  • Pure sine wave output
  • Smart LCD setting (Working modes, Charge Current, Charge voltage, etc.)
  • Built-in MPPT 60A/120A solar charge controller
  • MPPT Efficiency max 98%
  • Powerful charge rate up to 100Amp (120A optional)
  • Built-in pure copper UI transformer
  • DC start &Automatic Self-Diagnostic Function
  • RS485 monitoring function with free CD
  • Supporting RS232 communication, AGS, BTS port
  • Compatible to generator

Applications

  • Home and office appliances
  • TV
  • Refrigerator
  • Fan
  • Lights
  • Computer
  • Other appliances

Specifications

MODELRSI-4K-LF+RSI-5K-LF+RSI-6K-LF+RSI-8K-LF+RSI-10K-LF+RSI-12K-LF+
Nominal Battery System Voltage24V48V48V48V48VDC48VDC48VDC
INVERTER OUTPUT
Rated Power4KW5KW6KW8.0KW10.0KW12.0KW
Surge Rating (20ms)12KW15.0KW18.0KW24.0KW30.0KW36.0KW
Capable Of Starting Electric Motor2HP2HP3HP4HP5HP6HP
WaveformPure sine wave/ same as input (bypass mode)
Nominal Output Voltage RMS220V/230V/240VAC(+/-10% RMS)
Output Frequency50Hz/60Hz +/-0.3 Hz
Inverter Efficiency(Peak)>85%>88%
Line Mode Efficiency>95%
Power Factor0.8
Typical Transfer Time10ms(max)
AC INPUT
Voltage230VAC
Selectable Voltage Range154~272VAC(For Personal Computers)
Frequency Range50Hz/60Hz (Auto sensing)
BATTERY
Minimum Start Voltage20.0VDC/21.0VDC for24VDC mode (40.0VDC/42.0VDC for 48VDC mode)
Low Battery Alarm21.0VDC+/-0.3V for 24VDC mode (42.0VDC+/-0.6V for 48VDC mode)
Low Battery Cutoff20.0VDC+/-0.3V for 24VDC mode (40.0VDC+/-0.6V for 48VDC mode)
High Voltage Alarm32.0VDC+/-0.3V for 24VDC mode (64.0VDC+/-0.6V for 48VDC mode)
High Battery Voltage Recover31.0VDC+/-0.3V for 24VDC mode (62.0VDC+/-0.6V for 48VDC mode)
Idle Consumption-Search Mode<25W when power saver on<25W when power saver on
AC CHARGER
Output VoltageDepends on battery type
Charger AC Input Breaker Rating30A30A30A40A50A63A
Overcharge Protection S.D. 31.4VDC for 24VDC mode (62.8VDC for 48VDC mode )
Maximum Charge Current65A40A35A40A70A80A100A
BTS
Continuous Output PowerYes Variances in charging voltage & S.D. voltage base on the battery temperature
BYPASS & PROTECTION
Input Voltage WaveformSine wave (grid or generator)
Nominal Input Frequency50Hz or 60Hz
Overload Protection (SMPS Load)Circuit breaker
Output Short Circuit ProtectionCircuit breaker
Bypass Breaker Rating40A80A80A80A
Max Bypass Current40Amp80Amp
SOLAR CHARGER
Maximum PV Charge Current60A60A(120A Optional)
DC Voltage24V/48V Auto work48V
Maximum PV Array Power1600W3200W3200W3200W3200W(6400W for 120A Optional)
MPPT Range @ Operating Voltage(VDC)32-145VDC for 24V mode,64-147V for 48V mode64~147VDC
Maximum PV Array Open Circuit Voltage147VDC
Maximum Efficiency>98%
Standby Power Consumption<2W
MECHANICAL SPECIFICATIONS
MountingWall mount
Dimensions (W*H*D)620*385*215mm670*410*215mm
Net Weight (Solar CHG) kg36414469+2.575.75+2.575.75+2.5
Shipping Dimensions(W*H*D)755*515*455mm884*618*443mm
Shipping Weight (Solar CHG) kg56616489+2.595.5+2.595.5+2.5
OTHER
Operation Temperature Range0°C to 40°C
Storage Temperature-15°C to 60°C
Audible Noise60dB MAX
DisplayLED+LCD
Loading(20GP/40GP/40HQ)140pcs / 280pcs  /  320pcs