This listing features a genuine Pfannenberg FLZ 520 Industrial Thermostat, part number 17111000010, an essential NOS (New Old Stock) part for enclosure temperature control. This Pfannenberg FLZ 520 is a normally closed thermostat with a temperature range of 30-140°F, designed to regulate heaters and other electrical components inside industrial panels, cabinets, and enclosures. As a reliable temperature control switch, this Pfannenberg thermostat is ideal for maintaining proper conditions and preventing overheating or condensation in electrical enclosure applications. This genuine Pfannenberg FLZ 520 17111000010 normally closed thermostat offers precise industrial temperature control for panel and cabinet heater management.