The model SC is a 115 VAC input 0-90 VDC output economical motor controller where good performance at very low cost is desired. The SC is rated for 5 Amps continuos output current and operates in a single direction. On-board potentiometers provide master speed control and smaller potentiometers are available to set min/max speed control limits. Fixed 200% current limit and transient protection round out this small rugged package. Great selection for open frame OEM speed control applications of permanent magnet DC motors.