FLH 250 / FLH 400

Fan heaters

The FLH series of fan heaters consists of two versions with heating performance ratings of 250 and 400 Watts. This type of heating is ideal for use in larger electrical enclosures. It has an integrated fan that assists the natural convection and thus provides for fast and even distribution of the heat in the control cabinet.

DIN rail mounting

extreme T conditions

Technical data

DataFLH 250FLH 400
Heating performance (Ta = +20 °C)250 W400 W
Degrees of protection for intended purpose of useIP 20
Operating temperature–40 … +70 °C / –40 … +158 °F
Storage temperature–40 … +70 °C / –40 … +158 °F
Type of mountingsnap fastening for 35 mm profile bars according to EN 60715

Further technical details and dimensions can be found in the download section on this page under product sheet.


Description Type Size
FLH 250 heater 250W 230 AC pdf 30 KB Download
FLH 250 heater 250W 230 AC pdf 25 KB Download
Manual FLH pdf 250 KB Download
Description Language Type Size Download

Product sheet

  • English
pdf 400 KB Download

3D-model FLH 400 (STEP)

  • English
zip 610 KB Download

3D-model FLH 250 (STEP)

  • English
zip 670 KB Download

Declaration of Conformity

  • English
pdf 55 KB Download

UL recognized certificate

  • English
pdf 240 KB Download

EAC certificate

  • Russian
pdf 930 KB Download

Further software tools for digital product integration into your planning and documentation (such as Eplan macros) can be found at MyPfannenberg.

Ordering details

Ordering detailsFLH 250FLH 400
StandardArticle number1702501000717040010007
plus a 2nd protective grilleArticle number1702501010717040010107

Article numbers for other types on request.

Product Benefits

  1. 1

    Heat distribution

    The fan and the powerful heat output ensure quick and even distribution of heat.

  2. 2

    Long life

    and robust construction with integrated fan which supports the natural convection.

  3. 3


    Integrated snap fastening for 35 mm DIN-rail.

  4. 4


    Predominantly used in larger control cabinets for the avoidance of low temperatures or high relative humidity

  5. 5

    Electrical Connection

    via plug terminal connector.