Place of Origin: Beijing, China (Mainland) Brand Name: HYLITON POWER Model Number: LXZ250250180060 Usage: Current Phase: Single Coil Structure: Toroidal Coil Number: Autotransformer Rated frequency: 50Hz or 60Hz Rated secondary current: 5A or 1A Rated short-time thermal current: 40kA,1s Rated continuous thermal current: 120%In Continuous power-frequency voltage: 3kV , 1min Instrument security factor: FSâ?¤10 Application condition Ambient temperature -25-+40 Average temperature of day â?¤40 Altitude â?¤3000m Pollution class III Technical data Rated frequency 50Hz or 60Hz Rated secondary current 5A or 1A Rated short-time thermal current 40kA,1s Rated continuous thermal current 120%In Continuous power-frequency voltage 3kV , 1min Instrument security factor FSâ?¤10