demag dedrive pro frequency inverters: our dedrive pro frequency inverters are high-performance components ranging from 1.5 to 560 kw for 380 to 690 v systems. they are the solution for a variety of requirements and firml......demag dedrive pro frequency inverters: our dedrive pro frequency inverters are high-performance components ranging from 1.5 to 560 kw for 380 to 690 v systems. they are the solution for a variety of requirements and firmly established their position in the industry. we have developed sophisticated extended functions for special requirements in your company - for example special crane functions.