Frost Protection in Hazardous Areas
REx 011
- For areas with explosion and firedamp hazard
- High switching capacity
- Compact Design
- Set temperature
- Ready-to-use with strain relief
- Temperature class T6
Compact, small mechanical thermostat offering a high response accuracy/time, small switch temperature
difference, and a very long service life (switching cycles). This thermostat of temperature class T6 (85 ° max.) is utilised for the regulation of heaters within control and switch cabinets, as well as measuring equipment located in areas with explosion hazard, underground mines and mines susceptible to firedamp. The high switching performance allows for direct control of heaters.
| Temperature class | T6 |
|---|---|
| Ex Protection type Ex II 2 GD Gases Dusts Mine applications | Ex db IIC T6 Gb Ex tb IIIC T85°C Db IP66 I M2 Ex db I Mb |
| Ambient temperature | -60 to +60 °C (-76 to +140 °F) |
| Sensor element | thermostatic bimetal |
| Service life | > 100,000 cycles |
| Max. switching capacity | 250VAC 10 A1 24VDC 1 A |
| Min. switching capacity | DC 1.5 V 5 mA |
| Max. inrush current | AC 16 A for 12 sec. |
| Connection | silicone cable (halogen-free) 3 x 1 mm² |
| Connection PE | 1.0 to 2.5 mm² |
| Mounting | clip for 35 mm DIN rail, EN 60715 screw fixing M5, optional widthwise mounting |
| Casing | aluminium, silver anodised |
| Dimensions | 95 x 45 x 30 mm |
| Weight | approx. 0.3 kg |
| Fitting position | variable |
| Storage temperature | -60 to +85 °C (-76 to +185 °F) |
| Operating/Storage humidity | max. 90 % RH (non-condensing) |
| Protection type/Protection class | IP66 / I (earthed) |
| Approvals | EPS 16 ATEX 1 118 X |
1 currents above 4 A affect the switch temperature difference
| Art. No. | Cable Length | Contact type (1-pole) | Switch temperature | Switch temperature difference |
|---|---|---|---|---|
| 01185.0-00 | 1 m | Contact breaker (NC) | +15 °C (±3 K tolerance) | 5 K (±3 K tolerance) |
| 01185.1-00 | 1 m | Contact breaker (NC) | +25 °C (±3 K tolerance) | 5 K (±3 K tolerance) |
| 01185.0-01 | 2 m | Contact breaker (NC) | +15 °C (±3 K tolerance) | 5 K (±3 K tolerance) |
| 01185.1-01 | 2 m | Contact breaker (NC) | +25 °C (±3 K tolerance) | 5 K (±3 K tolerance) |
Technical Drawing
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- REx 011 | 15 °C, 25 °C (T6)
