Variable Speed

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The Zener MSC-3 is the backbone of the Zener drive range.It is designed for applications ranging from 1A to 480A. It is available in IP30, IP66 or IP66 Stainless Steel. Rototech is well known to supply additional control packages to suit range of customer applications.

Key Features:

  • Plain english display and user friendly menu system for ease of programming
  • Enclosures types: IP30, IP54, IP66 or Stainless Steel IP66
  • Up to high ambient temperatures available (up to 50 degrees C)
  • Range of voltages available: 240V-1100V
  • EMC filter and compliance to AS61800.3
  • Silent motor operation (up to 16kHz audible frequency)
  • Optional DC Bus choke
  • Plug-in option boards
  • Serial communications
  • Remote IP66 operator/control panel
  • Optional low leakage EMC filter
  • PID control
  • Pump software for pressure control systems
  • Single phase operation: 240V and 480V


  • Easy to program
  • Reduced Energy Costs
  • Lower inrush current draw
  • Very accurate motor control
  • Especially good for low speed operation
  • Virtually maintenance free


  • Pumps
  • Fans and Blowers
  • Conveyor Belts
  • Winch Application
  • Industrial Machinery