Data Sheet

Technical System Catalogue/Climate control
Enclosure heaters
3 - 81
Fast assembly
 Snap-fastening onto 35 mm support rails EN 50 022
 Direct screw-fastening onto the mounting plate
 Quick terminal connection for power supply
(spring terminal)
 No need for any other terminals
 No wiring required
Energy-efficient design
 PTC technology for constant heat distribution
 Computational Fluid Dynamics (CFD)-assisted design
for superior heating performance with an identical con-
struction size
Output range
 Without fan 10 W, 20 W, 30 W, 50 W, 75 W, 100 W, 150 W
 With fan 250 W, 400 W, 800 W
 Voltage ranges
− 110 V – 240 V, 50/60 Hz
− 115 V, 50/60 Hz
− 230 V, 50/60 Hz
Self-regulating
PTC technology
Energy-efficient PTC technology and an optimised design
using computational fluid dynamics (CFD) permit improved
heating outputs from units of the same size compared to
the previous product versions.
300
250
200
150
100
30
–30 –20 –10 0 10 20 30
0
Ambient temperature [°C]
Heating output [W]
Heating performance diagram for a PTC heater