Lockwood TB25KO-2 Drop Bolt with Key Override — 12–24 VDC Fail Secure Monitored
The Lockwood Padde Series TB25KO combines the proven TB25 drop bolt platform with a Euro profile key override for manual operation. The TB25KO-2 delivers Fail Secure operation, ensuring maximum protection while offering mechanical key access during power loss or emergency. It is designed for swing-through, double action doors and environments where electric strikes are unsuitable.
Warranty
- 5 Year Tricare Warranty (Padde Series)
- Lockwood 25 Year Mechanical Warranty (Conditions Apply)
Key Features
- Euro profile key override for manual operation
- High security: bolt deadlocked in extended position
- Bolt, door, and key monitoring outputs
- Multiple orientation: horizontal or vertical installation
- Fail Secure operation — remains locked if power is lost
- Intelligent electronics: 8 re-lock attempts, 8 sec unlock delay
- Continuously rated solenoid with thermal fuse protection
- 1000 kg static holding force
- Anti-tamper design: resistant to forced manipulation
Specifications
- Item Code: TB25KO-2
- Voltage: 12–24 VDC
- Start Current: 1100 mA @12 V / 1000 mA @24 V
- Holding Current: 210 mA @12 V / 90 mA @24 V
- Holding Force: 1000 kg
- Locking Mode: Fail Secure
- Monitoring: Bolt + Door + Key
- Construction: Stainless steel faceplate and strike, anti-corrosion
What's In The Box
- TB25KO-2 drop bolt with key override
- Euro profile cylinder escutcheon (as supplied)
- Strike plate with integrated magnet
- Fixing screws
- Installation instructions
Suitable Uses
- High security double action doors
- Applications requiring monitored bolt, door, and key status
- Sites needing manual key override for emergencies
- Fire-rated doors requiring 1000 kg holding force
Dispatch & Returns
- Estimated Warehouse Dispatch: 2–4 business days when in stock (call to confirm)
Download PDF Resources
|
Lockwood Electromechanical Door Solutions Catalogue |
|
Lockwood 25 Year Mechanical Warranty (Conditions Apply) |
Item Code Family
Additional Information
Specification Statement: The TB25KO drop bolt shall include a Euro profile key override for manual operation. It shall monitor bolt, door, and key positions. Electronics shall provide up to 8 lock/unlock attempts, 8 sec unlock delay, automatic relock, power reduction circuitry, and a one-time thermal fuse cut-out. Faceplate and strike plate shall be stainless steel. The lock shall be capable of horizontal or vertical orientation and provide 1000 kg holding strength.
