Introducing the SMC LEJS40S6A-300B-R5B1H, a cutting-edge electric actuator from the LEJS-AC Series, designed for high rigidity and precision. This advanced actuator features a low-profile, low center of gravity design, reducing the height dimension by approximately 36% (32 mm). It boasts a maximum work load capacity of 85 kg and offers exceptional positioning repeatability of ±0.02 mm. With a maximum acceleration/deceleration rate of 20000 mm/S², it ensures rapid and efficient operation. 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. Ideal for applications requiring precision and reliability, the SMC LEJS40S6A-300B-R5B1H is engineered to deliver superior performance in demanding environments.