TTLock Smart Access Control Mainboard 12V Wiegand NO/NC Relay

TTLock App Smart Access Control Mainboard – 12V Wiegand Relay with NO/NC Output

Take full control of your door security with the LUCKING DOOR TTLock Smart Access Control Mainboard. Designed for seamless integration with the TTLock app, this 12V controller board supports Wiegand input, NO/NC relay output, and is compatible with magnetic locks, electric strikes, and exit button systems. Manage access remotely from your smartphone — no complicated wiring or proprietary hubs required.

Key Features

• TTLock App Compatible: Control and monitor your door access system directly from your iOS or Android smartphone via the TTLock app.
• 12V Power Input: Works with standard 12V DC power supplies for reliable, consistent operation.
• Wiegand Interface: Supports Wiegand 26/34 protocol for easy integration with card readers, keypads, and biometric devices.
• NO/NC Relay Output: Dual relay output (Normally Open / Normally Closed) for compatibility with a wide range of electric locks and magnetic locks.
• Exit Button Support: Built-in terminal for exit button connection, allowing safe egress at any time.
• Remote Access Management: Grant, revoke, and schedule access permissions remotely through the TTLock cloud platform.
• Compact & Versatile: Slim mainboard design fits easily into standard access control enclosures for homes, offices, and commercial spaces.
• Model Number: SN991-3-1

Specifications

• Brand: LUCKING DOOR
• Model: SN991-3-1
• Input Voltage: 12V DC
• Protocol: Wiegand 26/34
• Relay Output: NO/NC
• App: TTLock (iOS & Android)
• Compatibility: Magnetic locks, electric strikes, exit buttons, card readers, keypads
• Made in: Mainland China

What's in the Box

• 1 × TTLock Smart Access Control Mainboard (SN991-3-1)
• Wiring terminals and hardware

Who Is This For?

This access control mainboard is ideal for property managers, small business owners, homeowners, and security installers who want a cost-effective, app-managed door access solution. Whether you're upgrading an office entrance, securing a server room, or managing a residential building, this controller delivers professional-grade functionality at a competitive price point.

For more information on electronic access control security standards, visit the U.S. Consumer Product Safety Commission (CPSC).

Frequently Asked Questions

Q: What app do I need to use the TTLock Smart Access Control Mainboard?

A: This mainboard is designed to work exclusively with the TTLock app, available for free on both iOS (App Store) and Android (Google Play). Through the app, you can manage access permissions, set schedules, and monitor door activity remotely.

Q: Is this access control board compatible with all magnetic locks?

A: Yes — the SN991-3-1 mainboard features NO/NC relay output, making it compatible with the vast majority of 12V magnetic locks, electric strikes, and fail-safe or fail-secure locking devices. Always verify your lock's voltage and relay requirements before installation.

Q: Can I connect a card reader or keypad to this mainboard?

A: Absolutely. The board supports Wiegand 26/34 protocol, which is the industry-standard interface used by most card readers, keypads, and fingerprint scanners, making integration straightforward.

Q: Does this controller support multiple users or access schedules?

A: Yes. Via the TTLock app and cloud platform, you can add multiple users, assign unique access credentials (PIN, card, or app-based), and configure time-based access schedules for each user — ideal for offices, rental properties, and shared spaces.