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Wika Model TCA Compact Temperature Switch

Test Product

The model TCA temperature switch is extremely robust and guarantees optimal operating characteristics in a limited space with repeatability lower than 1 % of span

In order to ensure as flexible operation as possible, the temperature switches are fitted with micro switches, which enable the switching of an electrical load of up to AC 250 V, 15 A directly. For lower switching power ratings, such as for PLC applications, micro switches with gold-plated contacts can be selected as an option.

All wetted materials are from stainless steel as a standard. The measuring system parts and the flexible spiral armour are made of stainless steel.

Special features

■ No power supply needed for switching of electrical loads 

■ Setting ranges from -30 ... +10 °C to 160 ... 250 °C 

■ Repeatability of the set point ≤ 1% span ■ 1 set point, SPDT or DPDT, high switching power up to AC 250 V, 15 A 

■ Direct mounting or remote mounting with capillary ≤ 10 m


■ Temperature monitoring and control of processes 

■ Safety-critical applications in general process instrumentation, especially in the chemical and petrochemical industries, oil and gas industries, power generation incl. nuclear power plants, water/wastewater industries, mining 

■ For measuring points with limited space, e.g. control panels

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