The Helios TME 1 is an electronic single-step thermostat designed for responsive on/off temperature control of one or more fans. It can also be configured to manage heating systems through optional connections. Featuring a potential-free changeover contact, this unit supports surface installation in any orientation. The housing is made from impact-resistant, light grey polymer and offers IP54 protection. Electrical connections are made via a terminal strip, with cable entry provided through a PG 11 compression gland.