Check the listing for details. Haydon Switch & Instrument E26441-05-052 STACK Stepper Motor 3.4 Watt 5VDC USA. Condition: New. Listed at 18.99 USD. This is a high-quality Haydon switch and instrument stepper motor, model E26441-05-052, designed for industrial automation and motion control applications. With a 3.4 watt power rating and 5VDC voltage, it is perfect for linear actuators and other motion-related devices. Made in the USA, this motor is reliable and efficient, making it an ideal choice for businesses and industries in need of a durable and performant motion control solution.