Solar inverter WF500

Product description


1. Multi-setting

  • PV priority mode or AC priority mode
  • Choose the charging current based on the configured capacity of the battery

2. High reliability

  • Independent MPPT (Maximum Power Point Tracking) control microprocessor system
  • Independent inverter microprocessor control system

3. Isolated and pure sine wave technology

4. LCD+LED display

5. Wide input range

6. High-speed synchronous conversion

7. Friendly alarm system

8. Unattended and intelligent monitoring (RS232 or USB, SNMP)

9. Online protection function

10. Intelligent No-load auto shutdown technology (optional)

11. Frequency auto adptive

Off-grid solar inverter with isplated transformer

WF-series products are on the basis og green energy use and equipment electricity need for remote area, combing the electricity characteristics of household appliences, communication station equipment and computer peripheral equipment. They have the function of energy conversation and environment protection. They adopt MCU control technique, having various kinds of function such as multi-setting mode, MPPT control, voltage stbilization on line, short-circuit protection, inverter frequency adaptive, output overload, battery charging managment, monitoring etc. WF series products are the ideal power supply delivered with excellent performance, high stability, high reliability and high practical applicability.

Technical Specifications

Model WF 500
Power 500W
Battery voltage 12Vdc/24Vdc
Working mode PV priority / AC priority
Input voltage range 12Vdc-25Vdc (12V)

24Vdc-45Vdc (24V)

Suggested voltage range (Vmp) 15Vdc-17.8Vdc (12V)

30Vdc-36Vdc (24V)

PV current (Imp) <40A
Max. charge current 10A/20A/30A/40A
Conversion Efficiency >98%
Panel indicator LCD+LED
AC mode
Input voltage range 100/110/120/220/230/240 VAC ± 25% (Customized)
Input frequency range 45-65 Hz (Automatically transfer to inverter power when over frequency)
Output voltage precision 100/110/120/220/230/240 VAC ± 10%
Input PF. (AC/DC) >98%
Charge current 12A max
Efficiency (Mains mode) >96%
Overload 110% 225s transfer to bypass model; 120% 60s transfer to bypass model; 150% 10s transfer to bypass model
Short circuit protection Input fuse
Inverter mode
Inverter output voltage 100/110/120/220/230/240 VAC ± 5%
Output frequency 50 Hz / 60 Hz ± 1% frequency auto sense
Wave form distortion Linear load < 5%
PV-AC transfer time 5 ms typcal value; Max. 8 ms
Max. efficiency > 84.5%
Inverter overload 110% 225s transfer to bypass model; 120% 60s transfer to bypass model; 150% 10s transfer to bypass model
No-load off (Optional) Load < 5% The system automatically shut down at 1min, transfer to bypass power supply
Short circuit protection System automatically shut down
Mains abnormal 1/4s; automatic sound elimination after 40 s
Low battery 5/1 s
Overload 1/1 s
Communication interface (Optional) RS232 / USB / SNMP (Setup available for regular start/shutoff)
Surge protection Optional
EMC EN62040 – 2:2006; EN61000-3-2:2006; EN61000-3-3:2008
IP class IP21
Ambient temperature 0⁰C   ̴  40⁰C
Ambient humidity 10%   ̴ 90% (Non condenced)
Noise < 50dB
Dimension (D*W*H)mm 314*147*456
Packing dimension (D*W*H)mm 380*190*500
Weight (kg) 13.0
Packing weight (kg) 14.0

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