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Pfannenberg Heaters FLH 250SL-UL 230V ACFLH 250SL-UL 230V AC

MPN: 17025110007

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Why Choose Pfannenberg Heaters FLH 250SL-UL 230V AC FLH 250SL-UL 230V AC?

Pfannenberg enclosure heaters prevent condensation, freezing, and maintain optimum operating temperatures for sensitive equipment.

Key Takeaways

  • Prevents condensation in cold/damp environments
  • Maintains ideal equipment temperature
  • DIN rail or screw mounting options
  • Safe, compact design for all panels
  • Pairs with thermostats for energy savings

Frequently Asked Questions About Pfannenberg Heaters FLH 250SL-UL 230V AC FLH 250SL-UL 230V AC

Pfannenberg Heaters FLH 250SL-UL 230V AC FLH 250SL-UL 230V AC Overview

Engineered for safety and efficiency, Pfannenberg heaters keep electrical cabinets dry and ready—eliminating moisture risks that can damage electronics.

Speed & Safety Benefits

  • Quick mounting and setup
  • Overheat protection for safe operation
  • Robust metal construction

Key Features of Pfannenberg Heaters FLH 250SL-UL 230V AC FLH 250SL-UL 230V AC

  • Type: Enclosure/PTC heater
  • Self-regulating or thermostat-controlled
  • Multiple wattages available
  • Easy DIN rail installation
  • Application: Any outdoor or cold-room panel
  • Voltage: 230V AC

To prevent condensation, which can cause corrosion and shorts in electrical systems.

Most installations use a thermostat for automatic temperature regulation.

Yes, Pfannenberg heaters are self-regulating and designed for safe, unattended use.

Generally yes—see datasheet for specifics on your model.

Yes, certain models are certified for use in ATEX-rated zones.


Choose Pfannenberg Heaters FLH 250SL-UL 230V AC FLH 250SL-UL 230V AC for the ultimate in flexible, high-performance industrial reliability.

More Information
Manufacturer Part Number 17025110007
Manufacturer Pfannenberg
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