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Generic Linear Actuator with Feedback: 8" Stroke, 12V, 0.6"/s

Vendor's Description: 

This 12 V linear actuator has a load rating of 110 lbs (51 kg) and a maximum speed of 0.6 in/s (1.6 mm/s). Limit switches at each end make the actuator easy to control over its full range of motion, and the worm drive ensures that the shaft will hold its position even when unpowered. This version has an 8-inch stroke and a built-in potentiometer for position feedback.