1400 Watt Solar Micro Inverter, Grid-tie Inverter

1400 watt solar grid tie inverter, micro inverter for sale, pure sine wave output, 24V/ 48V (22-50V DC) wide input voltage to 120V/ 230V AC output, it adopts reverse efficient power transmission technology, MPPT tracking function has an accuracy of over 99%.
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1400W smart micro inverter is a on grid solar inverter with 433MHz wireless communication, converts 24V/ 48V (22-50V DC) to 80-160V/ 180-280V AC, IP65 waterproof streamline design, built-in high-performance MPPT function, more efficiency. The AC output can be automatically switched to 120V or 230V according to the local grid voltage.


  • High performance maximum power point tracking (MPPT)
  • Reverse power transmission
  • Intelligent monitoring management
  • Input/output is fully isolated to protect the electrical safety
  • Multiple parallel stacking
  • Digital control system
  • Simplify maintenance (user serviceable)
  • Operation and maintenance costs low
  • Flexible installation
  • Use the wireless 433MHz communication mode

Parameter List

Input Parameters ATO-WVC-1400
Maximum input power 1400W
Recommended using solar panels Power 4x350W, open circuit voltage 36-50VOC
Solar panel open circuit voltage range 36-50VOC
Peak power tracking voltage 24V/48V DC, range: 22-50V DC
Min/Max start voltage 22-50V DC
Maximum DC short current 93A
Maximum input current 63A
Automatic shift AC voltage and output Automatic shift local grid voltage
Output Parameters @120V AC @230V AC
Peak output power 1400 watt 1400 watt
Rated output power 1400W 1400W
Rated output current 11.6A 6A
Rated voltage range 80-160V AC 180-280V AC
Rated frequency range 47-52.5Hz/57-62.5Hz 47-52.5Hz/57-62.5Hz
Power factor >99% >99%
Maximum units per branch circuit 3PCS (single-phase) 6PCS (single-phase)
Output Efficiency @120V AC @230V AC
Static MPPT efficiency 99.5% 99.5%
Maximum output efficiency 97% 97%
Night time power consumption <1W <1W
THD <5% <5%
Operating temperature range -40℃ to +60℃
Dimensions (WxHxD) 370mm×300mm×41.6mm
N.W 3kg
Waterproof level IP65
Topology With transformer type
Cooling Self-cooling
Communication Mode 433MHz communication mode (*Note: You need to buy another WiFi data collector)
Power transmission mode Reverse transfer, load priority
Monitoring System Mobile APP, computer browser
Electromagnetic compatibility EN50081.part1 EN50082.part1
Grid disturbance EN61000-3-2 Safety EN62109
Grid detection DIN VDE 1026
Certificate CEC, CE National patent technology
Warranty period 12 months

Tips: Solar inverter functions

1. Initiative operation and stop: in the morning after sunrise, solar radiation intensity strengthen; gradually, the output of solar cells also increase, when the power reach the inverter required output power, then the inverter starts operation initiatively. During operation, the inverter monitors solar cell module's output in every moment, as long as the output power of the solar cell module is greater than the inverter's required output power, the inverter will operate continuously until sunset shutdown, the inverter can operate even in rainy days. When the output of solar modules becomes smaller, the inverter output is close to 0, the inverter will in a standby status.

2. Maximum power point tracking (MPPT): the output of solar cell modules is changeable according to solar radiation intensity and the solar cell modules' temperature. As the voltage of solar cell modules decreases when current increases, thus there is a best point of maximum power. The solar radiation intensity is changeable, obviously the maximum power point is also changeable. Related to these changes, make the solar cell modules in the maximum power point, the system obtains the maximum power output from the solar cell modules, which means MPPT control. The most important feature of the inverter in solar power system is integrated maximum power point tracking (MPPT) function.

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