Dry Contact Trigger
The SLA-05BK is triggered by voltage-free switch signals from external devices. It can link with sensors, motion detectors, access control systems, relays and control panels.
High-noise dry-contact systems
High-noise dry-contact systems
Please confirm the correct voltage and dry contact wiring method before ordering. This alarm requires wiring and is designed to work with voltage-free switch signals from external devices.
Check the capabilities that matter before you choose a configuration.
The features that most directly affect how this model works and where it fits.
The SLA-05BK is triggered by voltage-free switch signals from external devices. It can link with sensors, motion detectors, access control systems, relays and control panels.
The alarm supports 0–130dB volume adjustment by short-pressing the button. This helps match the warning sound to different indoor or outdoor noise levels.
The siren includes 12 built-in tones that can be adjusted by long-pressing the button. The USB port allows users to upload custom alarm audio.
Quick technical checks before ordering.
The YASONG SLA-05BK dry contact trigger alarm siren combines a 0–130dB adjustable horn, 45W alarm power and LED strobe warning light for sensors, motion detectors, entry access control systems, relays, control panels and outdoor industrial security areas.
This model works by dry contact signal activation: when an external device sends a voltage-free switch signal, the siren triggers both sound and light warning. It supports multiple voltage options and requires wiring before use.
Please confirm the correct voltage and dry contact wiring method before ordering. Wiring is required, and the alarm does not come with a plug.
If this control method or feature set is not what you need, start with the requirement that matters most.
Tell us your voltage, installation environment and preferred activation method. We can help you compare suitable options.