Material & Finish Shell: Steel Zinc plated, Tin plated or Nickel plated steel Pin Contact: Phosphor bronze or brass gold plated Insulator: PBT & Glass-fibre reinforced UL-94-Vo Number Of Contact: 14, 24, 36, 50 Current Rating: 5 Amp Dielectric Strength: 1000V for one minute Insulator Resistance: 1000MΩ Min. (at 500V DC) Temperature: -55℃ to 105℃