Professional range of SES (T11) series thermostats from Selco. The SES (T11) series are designed so they can be attached directly to equipment to provide instantaneous temperature measurement and reliable protection. Switch operation is rapid and positive due to the characteristics of the bimetallic disc. The bimetallic disc is thermally and electrically insulated from the electrical circuit elimination self-heating effects. All SES (T11) series thermostats are used for various applications and are highly reliable and excellent quality.