MC-SCR Power System 110 Volt

Item # 100809
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Item Description

Made in the USA, Exclusively for Sailrite. The MC-SCR Power System™ is a motor control / silicon controlled rectifier. This solid state controller with 120 volt DC motor (1/3rd HP, 3000 RPM @3.7 amps, 444 watts) is compact, powerful and offers much greater slow speed power and control than the Clutch Motor. Top speed is 1,550 stitches per minute. Speed is controlled with a high quality potentiometer foot pedal. Power is consistently strong—from start up, all the way to top speed. MC-SCR Power System weighs 9 pounds. Uses standard 110 volt AC power.


  • MC-SCR Controller
  • 120 Volt DC Motor
  • Motor Bracket
  • Foot Pedal
  • Adjustable Length Belt: Belt V Power Twist 3L

Purchase the MC-SCR to power the Sailrite 111 and Professional sewing machines or to replace the clutch motor on an existing commercial sewing machine.


MC-SCR Power System Demo

The MC-SCR power system in action. Tons of power and slow speed control in thick fabric assemblies.

How to Install the MC-SCR to a Sewing Machine Table

NOTE: Sewing machine configurations and table tops vary! Please check your measurements for the correct mounting position prior to drilling into your table top. To do this install the balance wheel and the motor's pulley on the sewing machine and motor. Place the belt on the balance wheel and run it to the motor pulley to determine the correct motor mounting position for the motor bracket.

Fine Tuning Adjustment of the MC-SCR Motor System for Sewing Machines

Shows how to adjust the MC-SCR Motor System for optimal speed control for your particular application.

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