The DB1260 are designed for slim narrow swing door frame mounting application. Available in choice of Powerto Lock (PTL) or Power to Open (PTO) mode. Drop bolt operates on auto sensing voltage input from 12VDC to 24VDC with a holding force up to 800kg. and option for built-in Door Status Sensor (DSS) Remote Release control, Bi-color LED indicator, and Audible Tone. Compared with other drop bolts, DB1260 has the unique advantage of bolt position sensor, a protection against possible damages against door collisions with bolt caused by fast door closing and locking system misalignment.