EL410 is a fail locked type lock. The door can be opened by pushing or pulling when electric control is switched on. When electric control is switched off, lock can be operated by key from outside and by handle from inside. In locked mode the lock is always automatically deadlocked when door closes. Lock cases are equipped with an integral microswitch to indicate unlocked/locked position. The lock is especially recommended to be used the interior and exterior doors of commercial premises, apartment buildings, etc., and are well suited for use with door automatics. The lock can be controlled by a variety of access control systems or remote control equipment, e.g. card reader, key pad, timer or push button. ANSI model.