Speed:50 RPM or Customized Channel number:2Channel Rated voltage:240VAC/DC Rated current:10A Operating temperature: -30 ℃ ~ +80 ℃ Contact material:gold Wire Size:AWG17#Silver-plated Teflon UL Wire length:standard 250mm Compressive strength:between the two channels≥300V 50Hz Insulation resistance:300MΩ/300VDC Dynamic resistance fluctuation value:minimum 10mΩ Shell material:Engineering plastics Working life:≥5 million rpm(depending on the working environment and speed)