Protect Form: -saving semi-automatic current lock function, built-in temperature protection and over current protection, voltage protection, preventing reverse. Installation: Around to have 20mm of space, can not be placed next to the other heating equipment, to avoid dust, oil mist, gases, and high humidity is too big and strong vibration. The semi- functionality: The semi- function is a step of 200ms, and the driver output current is automatically reduced to the rated output current of 50%, used to prevent motor heating. Application: Suitable for any small and medium automatic equipment with CNC controllers, such as X-Y-Z tables, labeling machines, engraving machines, and pick-place devices., Weight: 1.06262810284 Pounds, Manufacturer: puhae