The SMC LEJS63S7A-1500B-R5B1H is a high-performance electric actuator from the LEJS-AC Series, designed with a high rigidity slider type ball screw drive and powered by an AC servo motor. This actuator boasts a low-profile design with a reduced height dimension by approximately 36%, enhancing its low center of gravity. It can handle a maximum workload of 85 kg and offers exceptional positioning repeatability of ±0.02 mm. With a maximum acceleration/deceleration of 20000 mm/S², it ensures rapid and precise movements. 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. This makes it a versatile choice for various industrial applications requiring precision and reliability.