ORNO R4-12.21 Symmetrical Electric Strike with Mechanical Lock and Low Power Consumption

The ORNO R4-12.21 is a high-quality symmetrical electric strike engineered for efficient remote door control. Designed to integrate seamlessly into modern access control systems, this device allows for the secure and reliable unlocking of doors via an electrical signal. It features a built-in mechanical lock function, providing additional flexibility for managing entry points in both residential and commercial environments. With its low power consumption design, it serves as an energy-efficient component for long-term security installations.

Advantages

The primary benefit of this electric strike is its symmetrical construction, which simplifies the installation process and ensures compatibility with a wide range of door frames. The inclusion of a mechanical lock function allows users to manually override the electrical operation when necessary, providing a versatile solution for various security needs. Furthermore, the reduced power consumption helps minimize operational costs and heat generation, ensuring the device remains reliable even during frequent use. Its robust build quality guarantees consistent performance and durability in demanding access control applications.

Suitable for

• Residential apartment building entrance doors
• Office access control systems
• Internal doors in commercial facilities
• Integration with intercom and video door phone systems

When it may not be suitable

This electric strike is not intended for use on fire-rated doors or heavy-duty industrial security gates that require specific certifications. It is also not suitable for outdoor environments where the device would be directly exposed to harsh weather conditions without additional protective housing.

Key specifications

• Type: Symmetrical electric strike
• Mechanical lock function: Yes
• Power consumption: Low energy design
• Compatibility: Standard door frames
• Operation: Remote electrical release

How to use

Installation should be performed by a qualified professional to ensure proper alignment with the door latch. The strike is mounted into the door frame, replacing the standard strike plate. Once installed, it is wired to an access control power supply or an intercom system. When the electrical signal is triggered, the internal mechanism releases the latch, allowing the door to be opened. The mechanical lock feature can be engaged to keep the strike in an unlocked state manually when required.

What to consider before purchase

• Verify the dimensions of your existing door frame to ensure compatibility with the symmetrical design.
• Check the voltage requirements of your current access control system.
• Ensure the door frame material is suitable for mounting an electric strike.

Usage recommendations

Regularly inspect the strike for debris and ensure the latch mechanism moves freely to maintain optimal performance. Periodically test the mechanical lock function to ensure it operates smoothly.