YASONG SLA-B02K 120dB Discrete Signal Alarm Siren, 25W, 12 Tones, IP65, USB Upload, LED Strobe
Please confirm whether your external device outputs a passive dry contact signal or an active wet contact signal before ordering. This alarm requires wiring and must match the correct signal type.
Product Overview
The YASONG SLA-B02K discrete signal alarm siren combines a 0–120dB adjustable horn, 25W alarm power and LED strobe warning light for PLC systems, relays, security cameras, automation systems, warehouses, factories and outdoor industrial warning areas.
This model works by switch signal activation: after wiring, the siren triggers both audible and visual alerts when it receives a discrete switch signal from a connected external device.
- Discrete signal trigger for PLC, relay, camera and automation linkage
- 0–120dB adjustable volume controlled by remote control
- 12 built-in tones for different warning needs
- USB sound upload for personalized alarm tones
- IP65 waterproof housing for indoor and outdoor industrial use
Please confirm whether your device outputs a passive dry contact signal or an active wet contact signal before ordering. Wiring is required, and the alarm does not come with a plug.
Key Specifications
Quickly compare the most important details before ordering.
Product Highlights
Key features that help you decide whether this model fits your use.
Discrete Signal Trigger
The SLA-B02K activates sound and light warning after receiving a switch signal. It can work with PLCs, relays, security cameras and automation systems when the signal type matches.
Dry or Wet Contact Compatibility
The product page reminds users to confirm whether the external device outputs a passive dry contact signal or an active wet contact signal. Choosing the wrong signal type may prevent the alarm from working.
Adjustable 120dB Sound
The alarm supports 0–120dB volume adjustment by remote control. This helps match the warning sound to quiet offices, loud workshops or large warehouses.
12 Tones and USB Upload
The siren includes 12 built-in tones and supports personalized alarm tone upload through the USB port. This allows users to use a specific warning sound when needed.
Outdoor Steel Housing
The cold-rolled steel housing is designed for impact resistance and corrosion resistance. The technical parameter table lists IP65 protection, while the page description also mentions IP54, so the final rating should be confirmed.
Full Product Specifications
Detailed specifications for installation, comparison and compatibility checks.
- Product Type
- Discrete/Switch Signal Alarm Siren
- Input Voltage
- DC12V / DC24V / AC110V / AC220V
- Power
- 25W
- Sound Level
- 0-120 dB
- Tone
- 12 siren tones
- Volume Adjustment
- 0–120dB, adjustable by remote control
- Alarm Mode
- Sound and light alarm simultaneously
- Trigger Mode
- Discrete switch signal trigger; passive dry contact or active wet contact
- Control Mode
- Remote control for volume adjustment; signal-triggered activation
- Work Mode
- Standby after wiring and power-on; triggers sound and LED strobe after receiving a switch signal
- Light Source
- LED lamp beads
- Lighting Mode
- LED Strobe
- Protection Rating
- IP54
- Installation Method
- Wall mounting & Bottom mounting
- Operating Temperature Range
- -40℃ to 70℃
- Material
- Cold-rolled steel & PS
- Net Weight
- 3.8kg
- Package Dimensions
- 49cm*33cm*25cm(1pcs)
- Remote Control Function
- Volume control by remote control
- USB Interface
- Upload personalized alarm tones
- Typical Application Scenarios
- PLC systems, relays, security cameras, automation systems, warehouses, factories, noisy industrial environments, open areas, outdoor warning areas
- Tips
- Please confirm whether your external device outputs a passive dry contact signal or an active wet contact signal before ordering. This alarm requires wiring and must match the correct signal type.
- Customization
- USB personalized alarm tone upload, passive dry contact or active wet contact options, voltage options
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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