... -function 8 ICTRelay output2-way relay outputdisplayDisplay screeenSetting frequency, output frequency, current, power, motor speed, load ... Fault status displayOvervoltage, undervoltage, over load, damage of over-current data protection, the current fault conditions, the history ... phase-off, overvoltage, undervoltage, short circuit, over-current, leakage etc.Explosion-proof marksExd[ib]IAir-cooled ...