High temperature limit switch: 85 degrees -350 degrees. Contacts: 1A + 1B dimensions:? 58.5MM * 30mm. ???? Mechanical life: 500,000 times -150 million times Electrical life:? 750,000 times. Protection Class: IP67 ????? running speed:. 1mm-1m / s frequency mechanical: 120 / min. Electrical Frequency: 30 / min. Rugged die cast CASE - built two double-ended loop micro switch - is a high mechanical strength, heat resistance, oil resistance, shockproof construction - roller lever type and other construction shaft is provided with a lubricating rod storage tank and coated with special lubrication fat, low oxidation resistance, volatility, high temperature resistance, non-drying, so that with long-term stable and reliable operating characteristics.