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Murphy Murphymatic Engine Throttle Controller AT03069

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Murphy Murphymatic Engine Throttle Controller - AT03069

Product Condition: NEW
Estimated ship date: for orders by 3pm PT/6pm ET today Available for back order.

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The Murphy Murphymatic Engine Throttle Controller AT03069 is a completely reliable heavy duty device developed specifically to automatically control engine speed to meet system demand. Low current, high torque, solid state switching and electronic clutch make it ideal for all automatic and semiautomatic engine systems. Used with the appropriate Murphy SWICHGAGE, near constant pressure, level and load can be maintained. The AT03069 can enhance features of Selectronic Micro-Controller units.


  • Automatically adjusts engine speed to meet demands of pressure, level, load and temperature
  • Speed changes made slowly and smoothly
  • Saves fuel, engine wear, horsepower and labor
  • Perfect for warm-up and cool-down on automated systems



  • Part No.: AT03069
  • Voltage: 11-28 VDC negative ground
  • Maximum Current: 500 mA (1/2 amp)
  • Standby Current: Approx. 7 mA
  • Increase and Decrease: Inputs float at approx. 8.4 VDC. Grounding inputs causes 8-18 mA of current to flow from either
  • Torque: 25 inch pounds
  • Sealed limit switches: Factory adjusted, controls maximum travel
  • Linkage adjustment on lever arm—5 holes: Adjusts travel: 1-3/16 in. (30 mm); 1-11/16 in. (43 mm); 2 in. (51 mm); 2-1/4 in. (57mm) approximately
  • Travel Time: 11 to 20 seconds depending on the voltage and force applied
  • Dimensions: See image 2
  • Net Weight: 5 lb. (2.27 kg)

Additional Information

Product Condition NEW
upc No

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