Specifications Specifications: Electrical Distribution Board- XL-21 Standards: IEC604 Service: 50Hz Rated working voltage: 380v Technical Parameter: Rated working voltage: AC 230v/AC 400v Rated insulated voltage: less than 690V AC Protect Grade: IP2X-IP3X Peak withstand current:6-65KA Max. rated working current: 63-1000A Frequency: 50Hz Short time withstand current: 3-42KA