NWK1-GR smart low voltage reactive power compensation controller features a large dot matrix LCD and mobile phone menu operation for user-friendly interaction. NWK1-GR supports AC voltage 100–800V and frequency 45–65Hz, providing smart reactive power compensation with harmonic filtering using FFT analysis. NWK1-GR offers precise power measurement, power quality analysis, harmonic protection, and RS485 communication for efficient power distribution monitoring worldwide.