347-3001-1GSE is a professional aviation ground support equipment compliant with AS9100D standards and FAA/EASA regulations, dedicated to aircraft on-ground maintenance and support operations.It serves as a high-reliability ground power connection unit, designed to provide stable auxiliary power for aircraft systems during parking, pre-flight checks and maintenance, eliminating reliance on the on-board APU. It delivers consistent voltage and frequency output to power avionics, lighting and hydraulic systems, ensuring smooth maintenance and pre-flight testing without engine startup.Made of heavy-duty corrosion-resistant alloy and reinforced insulation materials, it withstands harsh field environments, extreme temperatures from -55℃ to 60℃ and outdoor exposure. Weighing 12kg, it features a portable design with secure quick-connect interfaces and overload protection, enabling safe, efficient operation. It is a critical GSE to guarantee aircraft ground maintenance safety and operational efficiency.