EM SW electric drive of fire and non-fire doors up to 250 kg can be used for left and right doors with push and pull arms without power, it acts as a door closer Push & Go features adjustable door opening time in 0-30s, optional built-in 12 / 24V power supply with el. locks PS-4C key switch option (optional with EXB) EPS input possibility of connecting security and activation detectors (optionally with EXB) easy installation and long service life the possibility of a two-wing solution under one drive cover