Description
SmokeShield Control Mode M5 PTC is supplied as standard in accordance with all relevant EN regulations for fire dampers, with the Electrical Thermal Release (ETR) The units Fail-safe by means of the unique and patented ETR device which operates at 72°C, or if the power supply is off/interrupted. Complying with BS 9999 : 2008 (Ref 33.4.5.3).