Features & description: Specifications for different pin. 2pin, 3pin  Rated Current / Voltage : 50A / AC 500V;Withstand Voltage : AC 1500V;Contact Diameter: Φ3.5mm,Contact resistance: 0.5mΩ ;Wire Size: ≤10mm² /7 AWG 4pin, 7pin,8Pin Rated Current / Voltage : 25A / AC 500V;Withstand Voltage : AC 1500V;Contact Diameter: Φ2.5mm,Contact resistance: 1mΩ ;Wire Size: ≤4mm² /11 AWG 9pin,10pin Rated Current / Voltage : 25A, 5A / AC 500V;Withstand Voltage : AC 1500V;Contact Diameter: Φ2.5x4, Φ1x5,Contact resistance: 1/ 5mΩ ;Wire Size: ≤4mm² /11 AWG or <0.785m㎡/18AWG 12pin,16pin,17pin Rated Current / Voltage : 10A / AC 500V;Withstand Voltage : AC 1500V;Contact Diameter: Φ1.5,Contact resistance: 2.5mΩ ;Wire Size: ≤2mm² /14 AWG 20pin, 24pin, 26pin: Rated Current / Voltage : 5A / AC 400V;Withstand Voltage : AC 1200V;Contact Diameter: Φ1,Contact resistance: 5mΩ ;Wire Size: ≤0.75mm² /18 AWG Available for panel cut-outs of 28.5mm between 2 pin up to 32 pin gold plated contacts with either solder terminations square flange style panel connectors. The WS28 series is perfect for indoor power or data applications including Lighting, Data Transfer and Industrial Control Systems.Stable electrical performance, high strength and resistance to pressure, high temperature resistance, anti-explosion, anti-corrosive. Contact material:Brass with gold plating;Shell material:Zinc alloy with chrome plating; Different pins please refer to below attached Parameters drawings.if you need other model,you can contact us.