Dimensions/Installation Size： 281*148*84.5mm(length*width*height) The shape size will be slight different due to the water outlet method/124*141mm(long*width) Control voltage： 12V/24V Power voltage： 300-480V/450-750V Power： 3-9KW Resistance：  ≥2500V/1min/50mA Insulation resistance：  ≥500MΩ The whole machine protection level: IP67 Hot conversion rate: 92% Protection function: high -pressure under pressure protection, high -pressure overvoltage protection, overcurrent protection & PTC breakdown protection, anti -inverted irrigation protection, anti -dried burning protection, PTC core temperature protection, PCBA over -temperature protection, IGBT over -temperature protection, high and low pressure end, high and low pressure end isolation protection Starting method: PWM (analog signal optional)/CAN BUS The voltage range, power range, high and low voltage connection plug -in can be adjusted according to customer requirements