Skip to product information
1 of 9

54 Energy - Renewable Energy Store

Micro Solar Inverter GTB-400 (400W / 120-230V DC/AC) Smart MPPT 22-50V WIFI Monitoring

Micro Solar Inverter GTB-400 (400W / 120-230V DC/AC) Smart MPPT 22-50V WIFI Monitoring

Regular price $189.15 USD
Regular price $118.22 USD Sale price $189.15 USD
Sale Sold out
Tax included. Shipping calculated at checkout.

Shipping & Returns

The shipping cost varies between $ 0 and 29 USD. The shipping cost is calculated at checkout.

Brand Name: PowMr

Origin: CN(Origin)

Certification: CE

is_customized: Yes

Output Current: 3.3A/1.7A

Output Frequency: 48-51/58-61Hz

Output Power: 301 - 400W

Output Type: Single

Weight: 1.5kg

Size: 253mm*200mm*40mm

Is Smart Device: YES

Model Number: GTB-400

Recommended input power: 400Watt

Min / Max start voltage: 22-50V

Maximum Input Operating Current: 13A

Peak power tracking voltage: 22-55V

Waterproof Rating: IP65

Cooling: Self-cooling

Max DC short-circuit: 20A

Output Voltage Range: 80-160VAC,180-260VAC,Optional


Grid Micro Solar Inverter GTB-400 (400W / 120-230V DC/AC) Smart MPPT 22-50V Wireless Communication with WIFI Monitoring



GTB-400 Using IP65 waterproof streamline design, can effectively prevent rainwater on the surface erosion, built in high-performance Maximum Power Point Tracking(MPPT)Function, Better able to track changes in the solar luminosity and control the different output power, effectively capture and collect sunlight.


Collector with a PC or other devices to communicate Using RS232 serial port/ WIFI wireless communication.


Intelligent monitoring systems, The inverter can collect real-time data, Inverter can be controlled startup/shutdown / power regulation.

  1. Wireless communication 433/462MHz
  2. 6-grade power search---
  3. Wide voltage input(22-50VDC)---
  4. DC voltage input:22~50VDC;
  5. Second level power variable voltage conversion.
  6. High-frequency two-way and one-way grid function---
  7. High-frequency direct modulation, AC half-wave synthesis;
  8. Two-way grid means: Load consumes directly. And can reverse AC current transmission.
  9. Kinds of frequency output function---
  10. It can apply to 50Hz and 60Hz frequency of AC;
  11. Frequency range: 48-51/58-61Hz;
  12. Directly connected to the solar panels (do not need to connect the battery)
  13. AC 0 angle with high precision auto-detection--AC switching: 50Hz / 60Hz.
  14. Synchronous High-frequency Modulation
  15. Pure Sine Wave Output---
  16. Power Automatically Locked (APL)---
  17. Constant Current, Constant Power---constant current and output power, without any overload, over-current phenomenon.
  18. Exactly and timely automatic Island Effect Protection
  19. High-Frequency High Conversion Rate---
  20. Maximum Power Point Tracking (MPPT)---high-precision (MPPT) operation power.
  21. Stack using---Such as: 2 microinverter of 200W stacking can achieve 400W.
  22. The number of stacking is unlimited.
  23. DC input---Input voltage range: 22V to 50V,PV Panel.
  24. AC output---220VAC: 180V - 262V, 50HZ; 110V AC: 80V - 160V, 60HZ.
View full details