Using the EWA 75 in conjunction with the ESS 40 limit switch system, closing times of less than two minutes can be achieved, specifically in push-rod ventilation systems in open-roof and Venlo glass structures! This unit delivers up to 35 revolutions per minute and torque ratings of up to 1200 Nm. With the Luv/Lee option, the system can move into a rain setting while retaining full operational reliability and safety.