DESCRIPTIONS : Contact Plating : Silver Service Life : At Full OF Value Mechanical : 30,000 Operations Min. Electrical : 10,000 Operations Min. Electrical Rating : 5 To 500mA 30VDC 20 Cycle/Min Operationing Frequency : 60RPM Temperature Rise : 50degree Ambient C. : -15~70degree Dielectric Strength : 500ACV Over Load : 750mA Humidity : 85%