STEGO enclosure heater with fan HVL 031


HVL 031 | 100 W to 400 W
The HVL 031 is a space-saving fan heater for controlling the temperature of control cabinets, enclosures and technical installation spaces. It is designed to protect against condensation. This resistance heater is available in five performance levels, each in both AC 230 V and AC 120 V. All HVL 031 models are fitted with a fan.
  • Compact, flat design, high airflow rate
  • Automatic switch-off for protection against overheating
  • Clip-mounting for 35 mm DIN rail
  • HV 031 version available for self-installation of fan

Overview Technical Data

high performance cartridge
to protect against overheating in case of fan failure, automatic reset
die-cast aluminium (glass bead blasted)
3-pole screw connector 2.5 mm², clamping torque 0.8 Nm max.
plastic according to UL94 V-0, black
clip for 35mm DIN rail, EN 60715
vertical airflow (air outlet up)
-45 to +70 °C (-49 to +158 °F)
< 90% RH (non-condensing)
IP20 / I (earthed)
UL File No. E234324, EAC, VDE: only 230 V
airflow see table, service life 50,000h at +25°C (+77°F)
2-pole screw connector 2.5 mm² (L2/N2)

Important note: Heater may only be operated together with fan. Danger of overheating!

Product variants

Summary of your request

Art. No. Connection casing Casing Productname Series Heating element Heater body Model Axial fan Operating voltage Operating voltage
Operating voltage
Voltage type Frequency Heating capacity Inrush current
Surface temperature Rec. pre-fuse
T (time-delay)
Connection Connection PE Air outlet temperature Switch-off temperature Switch-off temperature 2 Switch-on temperature Switch-on temperature 2 Drilling template Operating temperature Flow rate,
free flow
Flow rate,
with filter
Setting range Setting range 2 Current
Nominal current
of socket
Average noise level Enclosure cut-out Enclosure cut-out Storage temperature Storage humidity Ambient temperature Operating humidity Speed Switching capacity
Switching current
Load resistance (external) External Sensor Measuring range Measuring range 2 Note Note 2 Note 3 Note 4 Reaction time Contact type Service life Operation indicator Control contact -
Signal current
Electrical protection Switch Socket Material Material sealing Air permeability Mounting Air intake/Air outlet Filter material Measuring signal Switch temperature
Lamp type Luminous flux Light colour Length / Depth Width Height Diameter Installation depth Fitting position Mounting frame Weight Sensor element Protection class Protection type Protection type UL VDE UL EAC METRO ATEX Ex Protection type Gases Ex Protection type Mine applications Ex Protection type Dusts Temperature class Temperature safety
Accessory Accessory 2 Accessory 3 Accessory 4 Art. No. Accessory Art. No. Accessory 2 Art. No. Accessory 3 Art. No. Accessory 4 Catalogue Article CAD

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Your direct contact

STEGO Elektrotechnik GmbH
Kolpingstraße 21
74523 Schwäbisch Hall