Electro-hydraulic cylinders with end-of-stroke sensors

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These hydraulic cylinders are driven by an electro-hydraulic power unit integrated on the cylinder. This solution eliminates the need for pipes and fittings that are normally found between the power unit and the hydraulic cylinder and therefore any potential oil leaks. The cylinder acts like a normal electric linear axis, combining the advantages of the enormous thrust power of the hydraulic cylinders. The most economical standard versions use a three-phase AC 380/50/60 Hz motor that can be operated both directly and with an inverter (with reversal of the direction of rotation to retract the cylinder and provide the deceleration ramp). These cylinders are fitted with end-of-stroke sensors (which can be adjusted on the external body) which allow the deceleration to be activated to signal that the rod has reached the correct position.