POWTRAN Inverter, Built-in Safe Torque Off (STO)

PS500-L series is the dedicated integrated machine for construction hoist.


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PI500-L series special Frequency inverter for lifting is designed by Powtran Technology specially for the fields of Lifting,bridged crane,electirc hoist,tower crane,construction elevator,According to frequency control technology,excellent torque control function,reliable brake control,fast stop,DC excitation,master-slave control and other technologies.


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