WIKA has designed the new bimetal temperature switch model TFS135 for a wide range of applications. It is suitable for switching voltages of up to 250 VAC/2,5 A and has UL approval for the North American market.
The TFS135 conforms to the EU low voltage directive and has been designed for switching temperatures of 50-130°C, selectable in stages of 5°, and set permanently on delivery. With a vibration resistance of up to 10 g, the switch operates reliably, even under harsh conditions, while electrical plug connections make it easy to commission.
The new model is primarily used to protect plants and end devices against overheating. The bimetal disc detects the temperature and triggers the switch contact (normally closed) on reaching the nominal value. After cooling to the reset temperature, the circuit is closed once more and the monitored item is placed back into normal operation.
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