Carling Technologies V-Series Contura snap-in mounted switches are a staple in the marine and transportation industries and have passed a range of environmental, corrosion, temperature, vibration, shock and sealing tests including MIL Std 202F, MIL Std 510.1, UL 1500, ISO 8846, IEC 60529 and BS 5490 among others, making them one of the most rugged and reliable switches ever manufactured. These switches have black, hard-surface (Nylon 66) Contura II actuators and offer complete above-panel protection against dust, prolonged spray and submersion under pressure and are recognized to UL 1500 Ignition Protection for Marine products with operating temperature ranging from -40°C to 85°C.