The 509NE7 is a self-locking panic lock with a motor drive for double-leaf doors. It meets the requirements for burglar-resistant doors, fire doors, emergency exits and panic doors according to EN 179 and EN 1125. A mechanical sequence control reliably prevents the bolts from being accidentally locked out when the door is open. The lock can be used universally DL/DR, thanks to the universal cross latch and adjustable control latch.|Integrated control electronics for external control or for connection to the ASSA ABLOY Hi/O bus system.|Integrated monitoring functions through contactless sensors, for status queries via the external OneSystem IO module:|Door status via strike plate contact|Bolt locked and bolt locked|Lock cylinder monitoring|Handle follower monitoring