... aging resistance , acid rain , salt spray resistance , low andhigh temperature resistance , anti- shock performance, and good ventilation, anti-rain , ... the normal life ofmore than 20 years .WS series of meter box with the integrated design concept, one to sixteen ... bottom UL94V1 levelTemperature characteristics : -40°C- +90 temperature r °C ange without distortion Type designationUse for Machinery, ...