Seco-Larm SK-1612-SDQ
Seco-Larm SK-1612-SDQ Enforcer Single Gang Stand Alone Keypad
User Manual
Introduction
The Seco-Larm SK-1612-SDQ Enforcer Single Gang Stand Alone Keypad is a robust and versatile access control device designed for secure entry management. It supports up to 1000 users with customizable 4 to 6 digit user codes and operates on 9 to 18 VDC. Featuring a built-in tamper alarm and IP66 weatherproof rating, this keypad is suitable for various indoor and outdoor applications, providing reliable security and convenient access.
Key Features
- Single Gang Stand Alone Keypad: Designed for easy installation in standard single-gang electrical boxes.
- High User Capacity: Supports up to 1,000 users (998 standard users and 2 duress users).
- Flexible User Code Length: User codes can be set from 4 to 6 digits.
- Wide Voltage Operation: Operates efficiently on 9 to 18 VDC with a low current draw (105mA max).
- C Relay Output: Features a 2A@12VDC Form C relay output for controlling locks or other devices.
- Adjustable Output Time: Relay output time is adjustable from 0.5 to 99 seconds, or can be set to toggle mode.
- Built-in Tamper Alarm: Enhances security by triggering an alarm if the unit is tampered with.
- Weatherproof Design: IP66 rated for protection against dust and powerful water jets, suitable for outdoor use.
- Multicolored Status LED: Provides visual feedback on the keypad's operational status.
Product Overview

Figure 1: Front view of the Seco-Larm SK-1612-SDQ Enforcer Keypad. The image shows the silver-colored keypad with a numeric pad (0-9, *, #) and a green illuminated status light at the top. The "ENFORCER" logo is visible at the bottom.
The SK-1612-SDQ keypad features a durable zinc alloy construction, ensuring longevity and resistance to environmental factors. Its compact design allows for discreet installation while providing full functionality for access control. The illuminated keys and multicolored status LED enhance usability in various lighting conditions.
Safety Precautions
- Always disconnect power before installation or servicing.
- Ensure proper wiring connections to prevent damage to the unit or connected devices.
- Do not expose the unit to extreme temperatures beyond its specified operating range (-40°F to 140°F / -40°C to 60°C).
- Avoid using abrasive cleaners or solvents on the keypad surface.
- Refer to local electrical codes and regulations for proper installation.
Setup and Installation
Mounting
The SK-1612-SDQ is designed for single-gang mounting. Choose a suitable location that is secure and provides easy access for users. Ensure the mounting surface is flat and stable. Use appropriate screws and anchors for the installation surface.
Wiring
Connect the keypad to a stable 9-18 VDC power source. The unit has a low current draw of 50mA in standby and 80mA maximum when active. Utilize the Form C relay output (2A@12VDC) for connecting to electric strikes, magnetic locks, or other access control devices. Refer to the detailed wiring diagram provided with the product packaging for specific connections. Ensure all connections are secure and insulated.
Operating Instructions
User Management
The keypad supports up to 1000 users. User codes can be 4 to 6 digits in length. Refer to the full programming manual for detailed instructions on adding, deleting, and modifying user codes, as well as setting up duress codes.
Programming Output Time
The relay output time can be adjusted from 0.5 to 99 seconds, or set to a toggle mode. This allows customization for various lock types and access requirements. Consult the programming guide for steps on how to adjust this setting.
Tamper Alarm
The built-in tamper alarm will activate if the keypad is forcibly removed from its mounting surface or if its casing is opened. This provides an immediate security alert. Follow the programming instructions to learn how to arm/disarm or reset the tamper alarm.
Maintenance
- Cleaning: Wipe the keypad surface with a soft, damp cloth. Do not use harsh chemicals or abrasive materials.
- Connection Check: Periodically inspect wiring connections to ensure they are secure and free from corrosion.
- Firmware Updates: Check the manufacturer's website for any available firmware updates, though this model typically does not require user-performed updates.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Keypad not powering on. | No power, incorrect voltage, or faulty wiring. | Verify power supply (9-18 VDC) and check all wiring connections. Ensure power source is active. |
| Codes not working. | Incorrect code entered, code not programmed, or keypad in locked mode. | Double-check the user code. Refer to the programming manual to ensure the code is correctly programmed. Check for any lockout settings. |
| Tamper alarm constantly active. | Keypad not securely mounted or internal tamper switch issue. | Ensure the keypad is firmly mounted. If the issue persists, consult the manufacturer's support. |
| Relay not activating. | Incorrect wiring to lock, faulty lock, or relay programming issue. | Verify relay wiring to the lock. Test the lock independently. Check relay output time and mode programming. |
Specifications
| Model Number | SK-1612-SDQ |
| Brand | Seco-Larm |
| User Capacity | Up to 1,000 (998 users, 2 duress users) |
| User Code Length | 4 to 6 digits |
| Operating Voltage | 9 to 18 VDC |
| Current Draw | 50mA (stand-by); 80mA (max. active) |
| Relay Output | Form C, 2A@12VDC |
| Adjustable Output Time | 0.5 to 99 seconds, or toggle |
| Material | Zinc Alloy |
| Weatherproof Rating | IP66 |
| Operating Temperature | -40°F to 140°F (-40°C to 60°C) |
| Dimensions (H x W x D) | 3.85 x 2.59 x 0.86 inches (97.8 x 65.8 x 21.8 mm) |
| Item Weight | 1 pound (0.45 kg) |
| Display Type | LED |
| Included Components | Keypad |
Warranty and Support
Seco-Larm products typically come with a limited warranty. For specific warranty terms and conditions, please refer to the documentation included with your product or visit the official Seco-Larm website. For technical support, troubleshooting assistance, or to inquire about replacement parts, please contact Seco-Larm customer service directly. Contact information can usually be found on the manufacturer's website or in the product packaging.
Online Resources: For the most up-to-date information, additional programming guides, and FAQs, please visit the official Seco-Larm website.
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