Specifications Insulation material: PPO Rated Voltage:1000 DC/ 600V DC Test voltage:6KV(50Hz,1Min) Contact material: copper, tin plated Contact resistance: less than 0.5 m ohm Degree of protection: IP67 Pollution Degree: 2 Protection class:Class II Flame calss UL94-V0 Plug Force less than 50N Withdrawal force more than 50N Ambient temperature range -40 ~ + 90℃.