A range of Unidirectional and Bidirectional Stepping solenoids manufactured by NSF Controls are available from Aerco. The size 50 can be supplied in 12, 18, 24 or 36 positions. Ergonomically packaged these units employ an exclusive tooth clutch drive mechanism providing a positive self locking drive. Features of the Stepping solenoid include:

• Minimum life expectancy 10 million steps, on Bidirectional in each direction
• Non accumulative accuracy of 1 degree over life
• Simple pulsed drive circuitry
• Over 25 steps per second in intermittent applications