YASONG SLA-900MX 130dB RS-485 Modbus Alarm Siren, 150W, 12 Tones, IP65, USB Upload, LED Strobe
This siren is triggered by RS-485 communication commands. Users need control software development capability and should confirm Modbus-RTU communication settings before purchase.
Product Overview
The YASONG SLA-900MX RS-485 loud alarm siren combines a 150W high-power horn with a LED strobe warning light for factories, industrial sites, large outdoor areas and emergency warning systems.
This model is triggered by RS-485 communication protocol and supports Modbus-RTU with a default baud rate of 9600. Users can send commands through control software to activate the alarm and adjust volume or tone.
- 150W high-power siren for wide-area warning coverage
- 0–130dB adjustable volume for different environments
- 12 alarm tones for multiple warning needs
- RS-485 Modbus-RTU control for system integration
- USB sound upload for custom alarm audio
This product requires RS-485 control software development capability. Please confirm communication requirements before ordering.
Key Specifications
Quickly compare the most important details before ordering.
Product Highlights
Key features that help you decide whether this model fits your use.
RS-485 Protocol Trigger
The SLA-900MX is triggered by RS-485 communication protocol instead of simple power-on or remote control. It supports Modbus-RTU with a default baud rate of 9600.
150W High-Power Warning
The 150W siren is designed for wide-area alarm coverage. In open areas, the sound coverage distance can reach up to about 300m.
130dB Adjustable Sound
The alarm provides 0–130dB adjustable volume. Users can adjust volume and tone by side buttons or through RS-485 control software commands.
12 Alarm Tones
The siren includes 12 alarm tones for different warning situations. Custom alarm sounds can also be uploaded through the USB port.
IP65 Durable Housing
The cold-rolled steel casing, ABS structure and PS lampshade support industrial use. The IP65 rating helps protect the siren against dust and water exposure.
Full Product Specifications
Detailed specifications for installation, comparison and compatibility checks.
- Product Type
- RS-485 Loud Audible and Visual Alarm Siren
- Input Voltage
- DC12V / DC24V / AC110V / AC220V
- Power
- 150W
- Sound Level
- 0–130dB adjustable
- Tone
- 12 tones
- Volume Adjustment
- 0–130dB, adjustable by side buttons or RS-485 command
- Alarm Mode
- Audible and visual alarm siren
- Trigger Mode
- RS-485 communication protocol trigger
- Control Mode
- RS-485 Modbus-RTU control; side buttons for volume and tone adjustment
- Work Mode
- Power-on standby; RS-485 command activates alarm sound and LED strobe
- Light Source
- LED strobe
- Lighting Mode
- LED strobe
- Protection Rating
- IP65 waterproof and dustproof
- Installation Method
- Wall mounting
- Operating Temperature Range
- -40℃~70℃
- Material
- Cold rolled steel, ABS and PS
- Net Weight
- 8kg
- Package Dimensions
- 63cm*37cm*37cm (1PCS)
- USB Interface
- Upload custom alarm sounds
- Typical Application Scenarios
- Factories, large industrial sites, emergency alarm systems, tornado warning points, fire warning systems, outdoor security areas, automation systems, control rooms, equipment linkage alarm systems
- Tips
- This siren is triggered by RS-485 communication commands. Users need control software development capability and should confirm Modbus-RTU communication settings before purchase.
- Customization
- Custom alarm sounds uploadable via USB
Need help choosing the right model?
Tell us your voltage, installation location and how you want the alarm or warning light to work. We will help you check a suitable option before you order.
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