1200 Watt Solar Micro Inverter, Grid-tie Inverter

Low price 1200W micro inverter is a grid tie solar inverter with 433MHz wireless communication, 24V/48V (22-50V DC) wide input voltage to 120V/230V AC, IP65 waterproof streamline design, built-in high-performance maximum power point tracking (MPPT) function, more efficiency.
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Products specifications

IP65 waterproof 1200 watt micro grid tie solar inverter for solar panel system, 24V/48V DC to 120V AC, 24V/48V DC to 230V AC is available, unique circuit design, higher efficiency, more stable.


  • 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-1200 (Wireless)-120VAC/230VAC
Maximum input power 1200 W
Recommended using solar panels Power 4x300W, 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 80A
Maximum input current 54.4A
Automatic shift AC voltage and output Automatic shift local grid voltage
Output Parameters @120V AC @230V AC
Peak output power 1200 W 1200 W
Rated output power 1150 W 1150 W
Rated output current 9.58A 5A
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) 5PCS (single-phase)
Output Efficiency @120V AC @230V AC
Static MPPT efficiency 99.5% 99.5%
Maximum output efficiency 91.2% 92.5%
Night time power consumption <1W <1W
THD <5% <5%
Operating temperature range -40℃ to +60℃
Dimensions (WxHxD) 370mm×300mm×41.6mm
N.W 2.83kg
Waterproof level IP65
Topology With transformer type
Cooling Self-cooling
Communication Mode Wireless 433MHz (*Note: You need to buy another WiFi data collector)
Power transmission mode Reverse transfer, load priority
Monitoring System Lifetime free
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


Inverters convert direct current to alternating current, which transfers power to the grid. Grid-tie inverters (GTI) must use a local oscillator to synchronize with the grid frequency (e.g., 50 or 60Hz) and limit the voltage to no higher than the grid voltage. A good grid-tie inverter has a fixed combined power factor, which means that its output voltage and current are perfectly aligned and its phase Angle is less than 1 degree in the AC grid.

The grid-tie inverter has a built-in calculator that senses the current AC grid waveform and outputs the voltage corresponding to the grid. However, it may be necessary to provide reactive power to the grid in order to keep the voltage in the local grid within permissible limits. Otherwise, when the grid-tie inverter transfers a large amount of electricity to the grid, the voltage level may rise too much when the sun is strong at noon.

If the grid voltage drops, the grid-tie inverter can also quickly disconnect from the grid. This ensures that in the event of a power outage, the grid-tie inverter will be shut down to prevent the energy it transmits from harming any workers sent to repair the grid. Properly configured, grid-tie inverters could allow homeowners to use alternative systems such as solar or wind power without the need for extensive rewiring and battery power.

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