The EBM PAPST 5656S is a high-performance axial fan designed for control panel thermal management, featuring a 138mm frame size with square configuration. It operates at 230VAC nominal voltage, delivering an airflow of 138.3 CFM at 2700 RPM. The fan incorporates ball bearing technology for durability, with external dimensions of 135mm frame and 38mm depth. Rated at 30W power consumption, it maintains a noise level of 46 dBA while being ROHS compliant.