Hazardous Area Heater
CREx 020 | 50 W to 200 W (T4)

Frost Protection in Hazardous Areas

To Hazardous Area Thermostat REx 011

Hazardous Area Flyer (in PDF format)

CREx 020



  • For areas with explosion and firedamp hazard
  • Large convection surface
  • Clip and screw flange fixing
  • Ready-to-use with strain relief
  • Maintenance free
  • Temperature Class T4

Compact convection heater of temperature class T4 (135 °C max.) for the prevention of formation of condensation, temperature fluctuations, and for protection against frost within control and switch cabinets, as well as measuring equipment located in areas with explosion hazard, underground mines or mines susceptible to firedamp.

Technical Data

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Ex Protection type EX II 2 GD
Gases
Dusts
Mine applications
Ex db IIC T4 Gb
Ex tb IIIC T135°C Db IP66
I M2 Ex db I Mb
Surface temperature< +135 °C (+275 °F)
Heating elementhigh performance cartridge
Heater bodyaluminium profile, silver anodised
Connectionsilicone cable (halogen-free) 3 x 0.75 mm², length 1 m
Connection PE0.75 to 2.5 mm²
Mountingclip for 35 mm DIN rail, EN 60715
for heating body sizes 80 x 48 mm and 120 x 60 mm and
screw fixing with 2 plug-on flanges for all heating body sizes,
optional widthwise mounting
Fitting positionvertical airflow (connection on bottom)
Operating/Storage temperature-60 to +50 °C (-76 to +122 °F) / -60 to +85 °C (-76 to +185 °F)
Operating/Storage humidity< 90% RH (non-condensing)
Protection type/Protection classIP66 / I (earthed)
Approvals

EPS 16 ATEX 1 109 X
IECEx EPS 16.0048X
IN METRO DNV 18.0010 X
EAC ТС RU С-FR.ГБ08.В.02639

Art. No.

 Hole spacing X
for screw flange fixing

Operating
voltage

Heating
capacity

Rec. pre-fuse
T (time-delayed)

Dimensions
(D x W x H)

Weight
(approx.)

02041.0-00

150 mm

AC 230 V

50 W

0.5 A

80 x 48 x 110 mm

0.7 kg

02041.9-00

150 mm

AC 120 V

50 W

1.0 A

80 x 48 x 110 mm

0.7 kg

02042.0-00

225 mm

AC 230 V

100 W

1.0 A

120 x 60 x 180 mm

1.4 kg

02042.9-00

225 mm

AC 120 V

100 W

2.0 A

120 x 60 x 180 mm

1.4 kg

02043.0-101

275 mm

AC 230 V

150 W

1.5 A

160 x 80 x 220 mm

2.3 kg

02043.9-101

275 mm

AC 120 V

150 W

3.0 A

160 x 80 x 220 mm

2.3 kg

02044.0-101

350 mm

AC 230 V

200 W

2.0 A

160 x 80 x 300 mm

2.8 kg

02044.9-101

350 mm

AC 120 V

200 W

4.0 A

160 x 80 x 300 mm

2.8 kg

1 only screw flange fixing

Technical Drawing

CREx 020 with clip fixing
CREX 020 with screw flange fixing