The NGS series is hands down one of the toughest level switches on the market. The float and all other wetted parts are made of 316 stainless steel. The switch mechanism is activated by a permanent magnet external to the switch housing so that no penetrations exist between the process and the switch internals. This mode of operation results in a very reliable switch which requires no external power to operate. The high capacity 10 amp switch will handle most electrical loads such as relays, solenoid valves and motor starters directly.
