1.WR7 Series CE Frequency inverter 2.Single phase,three phase 3.18months ... : <95%, no condensation allowed 30) Altitude: 0~1000 m, 1000~4000 m with derating 31) 30 kinds of protection function NameTypeOutput ... -4F1320B2501321WR7-4F1600B3001601WR7-4F1850B3401851WR7-4F2000B3802001WR7-4F2200B4402201WR7-4F2500B4802501WR7-4F2800B5202801WR7-4F3150B6303151WR7-4F4000B7504001 WR7 Series CE Frequency inverter