Lanner LEC-6041, being the successor of LEC-6021, is designed to protect the communication in both IT and OT domains. LEC-6041 Series is empowered by Intel Atom x7-E3950 or x5-E3930 for low power consumption and high processing performance. As a rugged firewall deployed in challenging environments, LEC-6041 comes with IEC 61850-3 and IEEE 1613 certification, as well as 1.5 KV magnetic isolation protections for LAN port and 15KV ESD Protection for I/O ports. The system can operate in a wide range of operating temperature from -40°C to 70°C. All of the hardware designs assure that the security gateway LEC-6041 will never have downtime while operating in hazardous surroundings such as OT environment.