Seco-Larm SD-997A-GBQ Fail-secure Electric Deadbolt
SKU
SD-997A-GBQ
Model No
SD-997A-GBQ
$177.00
Product Highlights
- Stainless steel bolt, 5/8″ diameter, 5/8″ throw
- Fail-secure operation (locks if power is lost)
- Magnetic switch senses door position for positive locking
- Includes control wire which allows for releasing without cutting unit's power
- Over-current protection 1.5A.

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The SD-997A-GBQ from Seco-Larm is a Fail-secure Electric Deadbolt designed to enhance security with the convenience of electrical operation. It features a robust construction and multiple functionalities to protect your property effectively.
Seco-Larm SD-997A-GBQ Features
- Enhanced Security: Adds concealed deadbolt security to most wood or hollow metal doors, ensuring peace of mind.
- Manual Override: Incorporates a manual lock/unlock cylinder to operate the deadbolt if power is lost, providing reliability in emergencies.
- Durable Build: Stainless steel bolt with a 5/8” diameter and 5/8” throw, offering long-lasting strength.
- Fail-Secure Operation: Locks if power is lost, ensuring your property remains secure even during outages.
- Positive Locking: Magnetic switch senses door position for secure locking, reducing the risk of tampering.
- Convenient Control Wire: Allows for releasing the deadbolt without cutting power, enhancing usability.
- Automatic Relock: Attempts to relock several times if the door isn’t closed properly, protecting the solenoid from burnout.
- Over-Current Protection: Features a 1.5A capacity, safeguarding the unit from electrical issues.
- Door Monitoring: Integrates door open/close monitor (NO/C/NC) for real-time security updates.
- Adjustable Delay Timer: Offers a customizable door lock delay timer (0, 3, 5, or 9 seconds) for user convenience.
- Digital Keypad Compatibility: Easily connects to SECO-LARM Digital Keypads for keyless entry without compromising security.
- Office Application Ready: Suitable for various office-type applications, making it a versatile choice for businesses.
- Space-Saving Design: Shallow design fits most metal door jambs, ideal for tight spaces.
- Flexible Mounting Options: Allows multi-directional horizontal or vertical mounting to meet your installation needs.
- Powerful Solenoid Operation: Powered by a solenoid for reliable locking performance.
- Stainless Steel Durability: Constructed of stainless steel for strength and long life, ensuring maximum security.
- Special Plug Design: Features a special conic cavity stainless steel plug (thickness 1.5mm~1.8mm) for enhancing security.
Seco-Larm SD-997A-GBQ Detailed Specifications
| Type | Electric Deadbolt |
| Power Source | Powered by solenoid |
| Lock Mechanism | Fail-secure |
| Manual Operation | Lock/unlock cylinder |
| Key Material | Stainless steel |
| Diameter of Bolt | 5/8” |
| Throw of Bolt | 5/8” |
| Adjustable Timer | 0, 3, 5, or 9 seconds |
| Over-current Protection | 1.5A |
| Door Monitoring | NO/C/NC |
| Mounting Options | Multi-directional |
| Design | Shallow for metal door jambs |
| Digital Keypad Compatibility | Yes, connects easily |
| Weight | Varies based on installation setup |
| Applications | Office-type environments |
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