D&D BUILDERS HARDWARE CO. - D&D Builders Hardware Co. is a door closer and hardware manufacturer in Taiwan, produces hardware for doors and windows.

EB-25 Electric Bolt Lock with Door Monitoring | D&D Taiwan Manufacturer

Professional electric bolt EB-25 with fail-safe/fail-secure modes, door monitoring, adjustable delay, and bi-color LED. Taiwan-made quality for access control systems.

EB-25 Electric Bolt - Advanced Access Control Lock Solution

Taiwan-manufactured electric drop bolt with dual monitoring, delay timer, and fail-safe/fail-secure options for comprehensive security applications

Electric Bolt
  • Electric Bolt

Electric Bolt

EB-25

Inquire Now
Function:
*Both Fail-Safe and Fail-Secure working types are available.
*Built-in door open or door close state detection output point (N.C, N.O and COM)
*Built-in Lock/Latch state detection output point (N.C, N.O and COM)
*Provdes a opening delay for 0, 3, 6 and 9 seconds.
*Suitable for in-swing/out-swing/ double swing doors, and sliding doors.
*Built-in bi-color LED presents the lock status.
*Alarm feature is optional, including one externally connected bi-color LED, providing a clear visual indication of the alarm status.
*For Fail-Secure working type, cylinder bracket is optional for emergency opening.

Model Table for Fail-Safe working type:
 EB-25A-12-LDEB-25A-12-LDAEB-25A-24-LDEB-25A-24-LDA
Power Supply12VDC12VDC24VDC24VDC
Start Current1000mA1000mA600mA600mA
Holding Current240mA240mA150mA150mA
Door MonitoringN.C & N.O & COMN.C & N.O & COMN.C & N.O & COMN.C & N.O & COM
Lock MonitoringN.C & N.O & COMN.C & N.O & COMN.C & N.O & COMN.C & N.O & COM
Open Delay
(seconds)		0, 3, 6, 90, 3, 6, 90, 3, 6, 90, 3, 6, 9
Built-in LED●●●●
Alarm─●─●
Externally LED─●─●
 
Model Table for Fail-Secure working type:
 EB-25C-12-LDEB-25C-12-LDCEB-25C-24-LDEB-25C-24-LDC
Power Supply12VDC12VDC24VDC24VDC
Start Current1200mA1200mA680mA680mA
Holding Current200mA200mA150mA150mA
Door MonitoringN.C & N.O & COMN.C & N.O & COMN.C & N.O & COMN.C & N.O & COM
Lock MonitoringN.C & N.O & COMN.C & N.O & COMN.C & N.O & COMN.C & N.O & COM
Open Delay
(seconds)		0, 3, 6, 90, 3, 6, 90, 3, 6, 90, 3, 6, 9
Built-in LED●●●●
Cylinder Bracket─●─●
 
Features
  • Versatile BOLT-LOCK Series, with Standard type, Alarm type and Cylinder type for various need.
  • Could be mounted in the framed header, side jamb or door lock stile with entire lock concealed, esthetic acceptability is complete.
  • Security is greater and installation in old or new construction is fast, easy and economical.
  • Conforms to CE and UL standards.
  • 100% Made in Taiwan (MIT)with reliable quality.
  • 1,000,000 cycle tested.
  • 1-YEAR warranty.
Specification
  • Power supply: 12VDC / 24VDC
  • Start current: 1000/1200mA / 600/680mA
  • Holding current: 240/200mA / 150mA
  • Door position sensor: N.C & N.O & COM
  • Lock position sensor: N.C & N.O & COM
  • Dimensions: Body: 200mm(L) x 32mm(W) x 36.5mm(D)
E-catalogue Download
Electric Bolt
Electric Bolt

The electric bolt is an access control device used for doors. Electric bolts are available in fail-secure or fail-safe. We also have bolt that is reversible...

Download

Products

Have Any Needs?

DDSALES@DND.COM.TW

More Details

How Can I Ensure Seamless Integration of Electric Bolts with Complex Access Control Systems?

The EB-25 electric bolt provides comprehensive integration capabilities with built-in door position and lock state detection outputs (N.C, N.O, COM), offering real-time monitoring feedback to your access control panels. With both 12VDC and 24VDC power options, adjustable opening delays (0-9 seconds), and optional alarm features with external LED indicators, you can customize the system to match your specific security protocols. Contact our technical team to discuss your integration requirements and receive detailed wiring diagrams for your project.

Manufactured 100% in Taiwan with reliable quality standards, the EB-25 electric bolt conforms to CE and UL certifications and has undergone rigorous 1,000,000 cycle testing. The BOLT-LOCK series offers multiple configurations including standard type, alarm type with externally connected bi-color LED for enhanced security monitoring, and cylinder bracket type for fail-secure emergency opening. Installation is fast and economical in both new and retrofit applications, with the entire lock concealed within framed headers, side jambs, or door lock stiles for complete aesthetic acceptability. Backed by a 1-year warranty, this electric bolt lock delivers the security, durability, and precision that building hardware professionals demand for critical access control installations.