IEC 62109-1:2010适用于光伏系统中使用的功率转换设备（PCE），其中需要统一的安全技术水平。规定了PCE设计和制造的最低要求，以防止触电、能源、火灾、机械和其他危险。提供适用于所有类型PV PCE的一般要求。

IEC 62109-1:2010 applies to the power conversion equipment (PCE) for use in photovoltaic systems where a uniform technical level with respect to safety is necessary. Defines the minimum requirements for the design and manufacture of PCE for protection against electric shock, energy, fire, mechanical and other hazards. Provides general requirements applicable to all types of PV PCE.