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: Usually ships in 4 business days
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.
Lockwood Warranty
Lockwood branded products are covered by manufacturer warranties issued by ASSA ABLOY Australia Pty Ltd. Warranty periods vary by product type, with separate cover for mechanical components, electrical and electronic parts, keys, and finishes.
The summary below sets out the standard warranty structure. All warranty claims are handled by Terry's Tradies Pty Ltd and its associated websites, trading names, and subsidiaries. Full terms and exclusions are set out in the official Lockwood warranty document linked at the base of this page.
Warranty Summary
Finish Coverage Guide
- Everbrass finishes: up to 25 years against corrosion, tarnishing and discolouration.
- Stainless steel, polished stainless steel, chrome plating and anodised finishes: typically up to 10 years.
- PVD and VIVID finishes: typically up to 10 years.
- Symmetry range finishes: typically up to 5 years.
- Decorative finishes (Antique Copper, Architectural Bronze, Oil Rubbed Bronze, Aged Brass, Polished Brass, Satin Brass and related variants): typically up to 2 years against corrosion.
- Unlacquered brass finishes naturally age and change appearance over time. This is not considered a defect.
- Tea staining of stainless steel is not covered where the required cleaning and maintenance have not been followed.
How to Make a Claim
- Contact Terry's Tradies Pty Ltd and its associated websites, trading names, and subsidiaries with your proof of original purchase.
- Keep the product securely packed and clearly identified, ready for assessment.
- Where a claim is escalated to the manufacturer, ASSA ABLOY may issue a case number before goods are returned.
- ASSA ABLOY assesses the claim and determines repair, replacement with the same or closest equivalent product, or refund of the purchase price.
Exclusions
- Normal wear and tear.
- Misuse, abuse, accidental damage or use outside published specifications.
- Improper maintenance or failure to follow care instructions.
- Unauthorised modification, repair or use of non-genuine parts.
- Exposure to corrosive environments including coastal air, salt spray, chemicals or pollution.
- Removal, refitment or associated labour charges.
- Products not originally sold in Australia through authorised channels.
These manufacturer warranties apply in addition to your rights under the Australian Consumer Law. Our goods come with guarantees that cannot be excluded under the ACL. You are entitled to a replacement or refund for a major failure and to compensation for any other reasonably foreseeable loss or damage. Where a failure does not amount to a major failure, you are entitled to have the goods repaired or replaced.
