External Signal Trigger
The SLA-01HK is triggered by an external switch signal instead of a built-in sensor. It is suitable for PLCs, relays, security cameras and automation control systems.
Best for
PLC, relay and contact-triggered systems
A good choice if you need
- External signal or relay trigger
- Adjustable sound: 0–120dB adjustable
- Custom alarm audio upload
- Audible + visual warning
How it works
- An external switch, relay or signal changes state
- The alarm receives the trigger
- The configured warning activates
YASONG Alarm
Signal Trigger
YASONG SLA-01HK 120dB Signal Triggered Alarm Siren, 25W, IP65, Dry/Wet Contact, USB Upload, LED Strobe
0–120dB adjustable
25W
IP65
Audible + visual warning
Best for
PLC, relay and contact-triggered systems
A good choice if you need
- External signal or relay trigger
- Adjustable sound: 0–120dB adjustable
- Custom alarm audio upload
- Audible + visual warning
How it works
- An external switch, relay or signal changes state
- The alarm receives the trigger
- The configured warning activates
$89.00
$125.00
Before You Buy
This siren requires an external sensor, PLC, relay, controller or security device to send a trigger signal. Please confirm whether your device outputs passive dry contact or active voltage signal before purchase.
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Is this model right for you?
Check the capabilities that matter before you choose a configuration.
If you need
This model
Dry-contact / signal input
✓
Adjustable volume
✓
Custom alarm audio
✓
Audible + visual warning
✓
IP65 protection
✓
Why choose this model?
The features that most directly affect how this model works and where it fits.
Dry or Wet Contact Input
Users can choose a passive signal dry contact version or an active signal wet contact version. Confirm the output type of your device before ordering to avoid signal mismatch.
120dB Adjustable Siren
The siren provides 0–120dB adjustable sound output. The rotary knob allows volume adjustment for quiet offices, warehouses or noisy workshops.
Key Specifications
Quick technical checks before ordering.
- Sound Level
- 0–120dB adjustable
- Power
- 25W
- Trigger Mode
- Passive signal dry contact or active signal wet contact trigger
- Control Mode
- External sensor, PLC, relay, controller or security device signal control
- Alarm Mode
- Audible and visual alarm
- Tone
- 1 siren tone; custom alarm tones uploadable via USB
- Volume Adjustment
- Adjustable by rotary knob
- Protection Rating
- IP65
- Installation Method
- Wall mount
- Input Voltage
- DC12V / DC24V / AC110V / AC220V
Product Overview
The YASONG SLA-01HK signal-triggered alarm siren combines a 0–120dB adjustable horn with a LED strobe warning light for industrial sensor linkage, PLC systems and security alarm setups.
This model works by external signal triggering: it accepts either passive signal dry contact or active signal wet contact input, then activates audible and visual warning after receiving the switch signal.
- Passive or active signal input for different control systems
- 0–120dB adjustable volume with rotary knob control
- LED strobe warning for visible alarm indication
- USB sound upload for custom alarm tones
- IP65 steel housing for indoor and outdoor industrial use
This product does not include a built-in motion detector. Please confirm whether your device outputs dry contact or voltage signal before ordering.
Full Technical SpecificationsDetailed product data from the available product information.
- Product Type
- Discrete/Binary Signal Alarm Siren
- Input Voltage
- DC12V / DC24V / AC110V / AC220V
- Power
- 25W
- Working Current
- <1A
- Sound Level
- 0–120dB adjustable
- Tone
- 1 siren tone; custom alarm tones uploadable via USB
- Volume Adjustment
- Adjustable by rotary knob
- Alarm Mode
- Audible and visual alarm
- Trigger Mode
- Passive signal dry contact or active signal wet contact trigger
- Control Mode
- External sensor, PLC, relay, controller or security device signal control
- Work Mode
- Receives switch signal and activates sound and LED strobe warning
- Light Source
- LED strobe
- Lighting Mode
- LED strobe
- Protection Rating
- IP65
- Installation Method
- Wall mount
- Operating Temperature
- -40℃~70℃
- Material
- Cold rolled steel
- Net Weight
- 3kg
- USB Interface
- Upload custom alarm tones
- Application Scenarios
- PLC systems, relays, security cameras, automation systems, factories, warehouses, industrial equipment, access control points, outdoor security areas, sensor linkage alarm systems
- Customization
- Custom alarm tones uploadable via USB
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