Siemens ThS49 Thermorelais für zeitverzögertes Schalten
Thermal Relay
Relais thermique

The contact is normally closed; the tensioned wire works against a spring. If it is heated, it will be longer and the spring actuates a relay contact.

 

Hauteur • Height • Höhe : 81 mm • 3" 1/4
Diamètre • Diameter • Durchmesser : 28 mm • 1" 1/8

 

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