Environment temperature: -10°C +40°C Relative humidity: ≤90%(25°C) Altitude: ≤2500m Or apply to the working environment of assembled washing machine Rated voltage:DC6V/AC220V Rated frequency: 50/60Hz Working current: 10mA/5A Contact pressure: >0.3N Contact space: ≥1mm Contact resistance: <50mΩ Bar shift: 3.55+4.0mm-4.5mm (contact breaks, take central line as base line) Bar up-shift: 2.5 6mm(keep contact closed)