Why Choose the Pfannenberg FLH 050-LST 50W 110-250AC Heater?
The Pfannenberg 17005105007 FLH 050-LST 50W 110-250AC is a compact surface temperature-limited radiant heater designed to prevent condensation, excessive humidity and low temperatures inside industrial electrical cabinets and enclosures. As part of the reliable Pfannenberg FLH LST heater series, it provides efficient cabinet heating using proven radiant heating technology for dependable thermal management.
The FLH 050-LST combines a robust aluminium profile construction, compact dimensions and limited surface temperature operation to provide safe and reliable heating where accidental contact with cabinet heaters may be possible. Its fanless design ensures quiet operation with minimal maintenance requirements.
With a 50 W heating output, a 110–250 V AC operating range and compact dimensions of 70 mm × 60 mm × 177 mm, the Pfannenberg FLH 050-LST is suitable for protecting electrical cabinets, automation enclosures and sensitive electronic components against condensation and cold-related failures.
Key Advantages
- Compact surface temperature-limited radiant heater for electrical cabinets.
- 50 W heating performance suitable for enclosure climate control.
- 110–250 V AC multi-voltage operation for flexible installation.
- Maximum surface temperature limitation improves operational safety.
- Fanless construction provides reliable and maintenance-free operation.
- Helps prevent condensation, corrosion and humidity-related failures.
Key Features
- Pfannenberg FLH 050-LST heater series.
- 50 W heating output.
- 110–250 V AC operating voltage range.
- Surface temperature-limited radiant heating technology.
- Maximum surface temperature of approximately 55 °C.
- PTC heating technology for efficient temperature control.
- Aluminium profile housing with bright anodised finish.
- Integrated snap fastening for 35 mm DIN rails according to EN 60715.
Reliable Heating for Electrical Cabinets
Low temperatures and humidity inside electrical enclosures can create condensation, corrosion and reduced reliability of sensitive components. The Pfannenberg FLH 050-LST heater maintains suitable cabinet conditions by providing controlled radiant heat to prevent moisture-related problems.
The FLH LST series is designed for industrial automation engineers, panel builders and machine manufacturers requiring safe, compact and dependable enclosure heating solutions. Its DIN rail mounting, PTC technology and flexible voltage range allow straightforward integration into modern control systems.
Typical Applications
- Industrial control cabinets and electrical enclosures.
- PLC and automation control panels.
- Switchgear and electrical distribution cabinets.
- Outdoor and low-temperature enclosure installations.
- Machine-building and OEM control systems.
- Protection of sensitive electronics against condensation.
