Materials: Contact: Phosphor Bronze Contact Plating: Selective Gold Contact Underplating: 0.00254mm [0.000100"] min. Nickel Insulation: PBT & 30% glass fiber reinforced thermo plastic: UL94V-O Recommended Cable: 1.27mm ctr. Ribbon Cable 28 AWG; FC Series Electrical: Contact Current Rating: 5 Amp Contact resistance: 30 Miliohms Max. Insulation Resistance: 1000 Megohms @ 1000V AC Dielectric Withstanding: 500V AC min. rms Operation Temperature: -55oC to +105oC