02051.9-00
02051 9 00
02052.0-10
02052 0 10
02051.0-00
02051 0 00
02052.9-10
02052 9 10




Explosion-proof enclosure heater
CREX 020
Temperature class T5 (surface temperature max. 100 °C): Enclosure heater for explosion-proof environments prevents condensation and temperature fluctuations. Reliable protection against frost in enclosures and control cabinets as well as measuring equipment in explosive environments or mine workings exposed to firedamp.
- Maintenance-free convection heater without fan
- High-performance heating cartridge
- Heater body: aluminium profile, anodised
- Mounting types: screw flange, clip
- Ready for connection: silicone cable with strain relief in 1 m





Overview technical data
Device name | Explosion-proof enclosure heater |
Device type | Convection heaters |
Series | CREX 020 |
Protection class | I |
Protection type | IP66 |
Heating element | High-performance heating cartridge |
Heater element | Aluminium profile, silver anodised |
AC/DC | AC |
Frequency | 50;60 Hz |
Surface temperature | < + 100 °C |
Operating temperature | -60 °C - 50 °C |
Operating humidity | ≤90 % RH |
Storage humidity | ≤90 % RH |
Storage temperature | -60 °C - 85 °C |
Connection type | Connection cable |
Connection | Halogen-free silicone cable 3 x 0.75 mm², 1 m |
Connection PE | 0,75 - 2,5 mm² |
Installation position | Airflow direction "in" vertical / connection at the bottom |
Temperature class | T5 |
Product variants
Article number | Operating voltage minimum | Operating voltage tolerance | Recommended backup fuse | Heating capacity minimum | Drill hole spacing | Mounting | Height | Width | Depth | Weight | Request | CAD | Datasheet |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
02051.0-00 | 230 V | 208 V - 253 V | 0.5 A | 50 W | 225 mm | Clip for 35 mm DIN rail Screw fixing | 180 mm | 60 mm | 120 mm | 1400 g | 02051.0-00-CREX020-Datasheet-EN.pdf | ||
02051.9-00 | 120 V | 132 V - 108 V | 1 A | 50 W | 225 mm | Clip for 35 mm DIN rail Screw fixing | 180 mm | 60 mm | 120 mm | 1400 g | 02051.9-00-CREX020-Datasheet-EN.pdf | ||
02052.0-10 | 230 V | 208 V - 253 V | 1 A | 100 W | 350 mm | Screw fixing | 300 mm | 80 mm | 160 mm | 2800 g | 02052.0-10-CREX020-Datasheet-EN.pdf | ||
02052.9-10 | 120 V | 132 V - 108 V | 2 A | 100 W | 350 mm | Screw fixing | 300 mm | 80 mm | 160 mm | 2800 g | 02052.9-10-CREX020-Datasheet-EN.pdf |