Lockwood TB25 drop bolt 12-24VDC Fail Secure Monitored Stainless Steel TB25-2

Lockwood TB25 Drop Bolt 12-24VDC Fail Secure Monitored TB25-2 Electric Drop Bolt commonly used on high‑security swing‑through or double‑action doors where traditional electric strikes won’t work. Electric Drop Bolt Function - an electrically controlled drop‑bolt that stays locked without power and monitors its own bolt and door positions. Features: High‑security electric drop bolt with strong holding force Fail Secure monitored operation — stays locked when power is removed, and reports status Monitored bolt and door positions via built‑in magnet (no separate sensor needed) Can be installed horizontally or vertically, suitable for swing or double‑action doors Tamper‑proof design resists forced entry between lock and striker Intelligent electronics automatically attempt to re‑close the bolt if the door isn’t fully closed Thermal protection prevents overheating of the solenoid Operates on 12 - 24 V DC power adjustable to your system Specifications: Locking Mode: Fail Secure (remains locked without power) Voltage: 12 - 24 V DC Monitoring: Bolt and Door position monitored Orientation: Horizontal or vertical fit Construction: Electrically actuated bolt with stainless steel face components Holding Force: 1000 kg static strength Finish: Stainless Steel