The SMC LEJSH40S2B-200B-S2A1H LEJS-AC Series Electric Actuator is designed for high precision and reliability, featuring a high rigidity slider type ball screw drive powered by an AC servo motor. This actuator boasts a low-profile design with a reduced height dimension by approximately 36%, enhancing stability with a low center of gravity. It supports a maximum workload of 85 kg and offers exceptional positioning repeatability of ±0.02 mm, ensuring precise operations. With a maximum acceleration/deceleration of 20000 mm/S², it is ideal for high-speed applications. The actuator meets clean specifications, complying with ISO Class 4 (Class 10) standards, specifically for the 11-LEJS model. It is compatible with a range of drivers, including LECSA, LECSB(-T), LECSC(-T), LECSS, LECSS-T, LECSN-T, LECY, and several discontinued models, providing flexibility in integration.