Pfannenberg FLZ NC Enclosure Thermostat 240V AC 20 to 80°C Range, -40°C to 80°C Max, DIN Rail Mechanical 17111000004

Pfannenberg FLZ NC Enclosure Thermostat model 17111000004 is a high-performance mechanical bi-metal thermostat engineered to regulate temperature within electrical enclosures and control panels. Operating at 240V AC, this unit is suitable for applications requiring precise temperature management, such as industrial automation, HVAC control, and electrical cabinet heating or cooling.

With its DIN rail snap fastening design, this thermostat installs rapidly on 35mm profile bars compliant with EN 60715, offering flexibility and compatibility across a range of enclosure systems. Its wide temperature setting range - from 20°C up to 80°C - lets users tailor the operating environment, while the robust operating temperature capability spans from -40°C to 80°C, ensuring performance in extreme ambient conditions.

The FLZ NC Enclosure Thermostat features a mechanical bi-metallic switching mechanism for dependable operation without electronics. Its NC (normally closed) configuration allows effective control of heating or ventilation units, enabling energy savings and protecting sensitive electronic equipment from temperature fluctuations. Integration with cabinet heaters, filter fans, or other climate systems is straightforward thanks to secure 0.5 - 2.5 mm² screw clamp connections.

Cabinet safety is supported by IP20 protection class, which guards against accidental contact and particulate ingress. Designed in RAL 7035 light grey, the thermostat blends seamlessly with professional enclosure interiors for a neat, industrial look. The device’s spring contact ensures consistent functionality, and the DC maximum load is 30W, suitable for standard control circuits.

This thermostat is ideal for industrial, commercial, HVAC, and electrical cabinet applications, where maintaining optimal internal environment is critical for equipment reliability and energy efficiency. Its compliance with EN 60715 and use of universally accepted mounting and wiring standards make it a versatile solution for technical installations and retrofits.

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