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I-Drive SCR system

SCR controls the drawworks, mud pumps, top drive, rotary table, anchor winch and cement pump

  • Automatic drive power phase back
  • Adjustable current limits to control top drive / rotary table torque limits
  • Separate power supply and filter from main bus to each controller
  • Multiple SCR bay load sharing is available


Designed for use with series or shunt wound motors

  • Speed or voltage control and load sharing for up to four motors
  • Monitors voltage or current to regulate motor speed


Modular design enclosure

  • 120 VAC control voltage with transient voltage protection
  • Standard 6-Plus gating signal utilizing “hockey puck” SCR’s