Yueqing Sandi Electric Co.,Ltd is one of the leading China off grid solar inverters manufacturers,Website: , welcome to wholesale cheap off grid solar inverters from our professional factory. Technical Parameters Model SDP-40KW Isolation mode Low Frequency Transformer DC Input Rated voltage (Vdc) 360V Rated current（A） 111A AC Output Rated output power 40KW Output waveform Pure Sine Wave Rated Voltage 220V±3% 110/220VA±3% 380VA±3% Phases Single phase 2 phase 3 wire 3 phase 4 wire Rated current (A) 182A 182A (phase current) 61A (phase current) Frequency 50Hz or 60Hz Rated output voltage range (V) 110/120/220/230/240/380/400/415/440VAC optional Phases Single / Two/ Three phase optional Power Factor (PF) >0.95 Overload Ability 150%, 5 seconds Efficiency >94% Waveform distortion rate (THD) <3%(Linear load) Dynamic Response (0 to 100% load) 5%,≤50ms Display LCD Running mode Working continuously Electrical insulation properties 2000Vac, 1 Minute AC Bypass Function Optional Solar Charge Controller built in Optional AC to DC battery Charger built in Optional RS485 remote monitoring Optional Wide voltage input 100-850VDC(optional) Off grid inverter can work without battery Protection Function Protection Input reverse polarity, under voltage, overvoltage, output over-current, short circuit, overheating etc. Cooling method Fan-cooled Short-circuit protection No automatic recovery, need to restart the machine Working environment Noise ( 1 meter) ≤50dB Degree of protection IP20(indoor) Working Altitude (m) ≤2000 Working temperature -25~+55℃ relative humidity 0~90%，non-condensing Mechanical dimension Depth* Width * Height 700x750x1300mm Weight (Kg) 360Kg Certification European CE(EMC & LVD), SAA