1、MAIN PURPOSE: The DC main switch is used to turn off all poles of the solar module and is installed on the string line between the module and the grid inverter or charging controller. 2、PC HOUSING: The PV DC switch is made of flame retardant PC material, with IP66 waterproof box, which has good heat dissipation and ensures stable and reliable operation. 3、ARC EXTINGUISHING: Magnetic arc extinguishing and arc extinguishing grid are used to effectively restrain the arc, and the photovoltaic disconnector has high working safety. 4、SAFE OPERATION: When it is closed manually, pull out the pull bolt to lock it, which can be repeatedly inserted and pulled out to prevent misoperation and provide safe docking. 5、WIDE APPLICATION: Widely used in RVs, ships, grid connected solar systems, off grid solar systems, ship power systems, etc., with reasonable design and easy installation.