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LGM303-10 DC Motor Control

LGM303-10 DC Motor Control

LGM Series

With the LGM series, the features list just keeps growing. With its Burr Brown linear isolated input, the LGM series can accept a grounded 4-20 mA or 0-10 VDC signal from any Programmable Logic Control (PLC) or motion card to control motor speed. With its isolated inputs, the LGM series can easily be enabled or inhibited using NPN open collector transistors, dry contact relays, or switches. Status LEDs on the drive also allow for convenient monitoring. With separate models designed to accept either 115 or 230 VAC power and all the standard features offered by our 1Q drive family, this series can effortlessly be incorporated into any demanding application where electrical isolation is needed.

Potentiometer Kit 202-0079 is included with a purchase of the LGM303-10


Contact the factory for volume pricing

Enclosure Maximum
Power Range Field / Shunt
Braking Reversing Isolation
LGM303-10 Chassis 10* 115 0 - 90 1/8 - 1 .09 - .75 100 / 200 No No 0 - 10 VDC
4 - 20 mA
230 0 - 180 1/4 - 2 .19 - 1.5

* Heat sink kit 223-0159 must be used when the continuous output current is above 5 amps.


  • ACE Footprint: Traditional ACE mounting pattern and footprint
  • Isolated Logic: Allows floating or grounded 0 - 10 VDC signal
  • Field Supply: Voltage output to energize the field winding of a shunt-wound motor
  • Stopping Modes: Inhibit (N.O. or N.C.) for coasting to a stop. Can be used for frequent starting and stopping
  • Diagnostic LEDs: Current Limit, Inhibit, Power, Run
  • On-board Fuses: Drive includes on-board fuses

Technical Data

  • 1.37 Form Factor
  • 2% Base Speed Regulation
  • 60:1 Speed Range

Trim Pots

  • Maximum Speed
  • Minimum Speed
  • Acceleration
  • Deceleration
  • Current Limit
  • IR Compensation