Special version on request e.g.: Hazardous side same as hinge side, forend configuration, strike plate. Use: With connecting rod 1106 and additional latch locks 1030. Alternatively available with connecting rod 1105 and additional lock 1024 (escape door function placed in a higher position). Function from the inside (with pre-locked bolt): The door has a lever handle on the inside. The main lock is connected by means of a connecting rod to two additional latch locks. The pre-locked bolt, the latch and the latches of the additional latch locks are retracted by actuating the lever handle. The door can be opened. The door is secured from the outside by pulling it to. (Not locked, external lever handle disengaged). Function from the outside (with pre-locked bolt): The door has a lever handle on the outside. When the bolt is locked back twice, it is switched to the "passage" function. The door is always accessible. When the bolt is pre-locked once or twice, it is switched to the "closure" function. The door is only accessible with the key. The door is locked when pre-locked twice. When the bolt is pre-locked once, the door is not yet locked, but only secured by the latch (external lever handle disengaged).