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Gas-Actuated Temperature Switch - TAG
Brand: WIKA Alexander Wiegand SE & Co. KGThese high-quality temperature switches have been developed specifically for safety-critical applications.
The high quality of the products and manufacturing in accordance with ISO 9001 ensure reliable monitoring of your plant. In production, the switches are traced by quality assurance software at every step and subsequently are 100 % tested.
Features- No power supply needed for switching of electrical loads.
- Setting ranges from -30 ... +70°C up to 0 ... 600 °C.
- Robust switch enclosure from Aluminum alloy, IP 66, NEMA 4X.
- 1 or 2 independent set points, SPDT or DPDT, high switching power up to AC 250 V, 20 A.
- Remote mounting with capillary ≤ 10 m.
Specifications
Measuring System
- Gas-Actuated Temperature system (SAMA ClassIII B)
Switch Enclosure
- Aluminium Alloy, Copper-Free, Epoxy Resin Coated
- Tamper-proof. Laser-engraved product label from stainless steel.
Ingress Protection
- IP66 per EN 60529 / lEC 60529, NEMA 4X
Permissible Ambient Temperature
- -40° to +85° C
Switch Contact
- Micro switches with fixed dead band:
- 1 x or 2 x SPDT (Single Pole Double Throw)
- 1 x DPDT (Double Pole Double Throw)
- Micro switches with Adjustable dead band:
- 1 x SPDT (Single Pole Double Throw)
- The DPDT function is Realised with 2 simultaneously triggering SPDT micro switches within 0.2 % of the Span.
Ignition Protection Type
- Ex d IIC T6/T4 1) Gb (Gas)
- Ex tb IIIC T85/T135 1) Db (Dust)
- 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, water/wastewater industries
