KEYPADS Maximum reliability and durability, Ideal for use in rough environments. IP68 Dust and water resistant, Sea-water and detergent resistant. No moving part, maintenance free. Made of one piece of solid metal, totally rugged. Potted switching unit at rear seals against all contamination and prevents freezing Flexible anodize print or laser engrave layout Electrical Data Switching Voltage max. [VDC] 24 Switching Current max. [mA] 200 Lifetime electrical [mill.] 15 Insulation Resistance (OFF = not actuated)[MΩ] > 5 Initial Contact Resistance (ON = actuated)[Ω] < 7.5 Mechanical Data Actuating Force [N] 3-5 Operating Temperature [°C] -40 to +125 Storage Temperature [°C] -40 to +125 IP Protection Class Front Side [IP] IP 68 IP Protection Class Rear Side [IP] IP 68 Other Data Materials Front Panel Stainless Steel, Aluminum Lettering Laser engraving/anodize printing