Therm Control


The capillary thermostat ThermControl is approved for use in hazardous areas Zones 1 and 2 for gas and Zones 21 and 22 for dust as a surface thermostat on pipes and vessels. There are different temperature ranges possible. The material of the capillary tube is stainless steel and the rugged enclosure is made of aluminium.







• Robust

• Versatile use


• Industrial applications

• Use in hazardous areas

• Heat tracing on pipes, valves and vessels

• Oil & gas industry

Name Temperature Range (°C)
ThermControl-A -32 °C to +50 °C
ThermControl-B 0 °C up to +50 °C
ThermControl-C  0 °C up to +200 °C

Technical data

Ex-Classification: II 2G Ex d IIB T6 Gb II 2D Ex tb IIIC T85°C Db

Ambient temperature: -32 °C up to +50 °C

IP rating: IP66

Switching capacity: 16A at 230V

Switching differential: 1 pol.

Switching contact: 1 pol.

Capillary tube: Stainless steel

Enclosure: 120mm x 120mm x 110 mm

Bending radius

capillary tube: 5mm

Cable entrance: 1 x gland M20, clamping range 10-14mm 1 x thread M 20 x 1.5

Salt-water proof: Yes