Best for

PLC, sensor and camera status warning

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
  1. An external switch, relay or signal changes state
  2. The alarm receives the trigger
  3. The configured warning activates
YASONG Alarm
Dry Contact Trigger

YASONG SLA-315 120dB Dry Contact Industrial Alarm Siren, External Signal Trigger, 15W, 3 Tones, RGB Strobe

0–120dB adjustable 15W IP65 Audible + visual warning
Best for

PLC, sensor and camera status warning

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
  1. An external switch, relay or signal changes state
  2. The alarm receives the trigger
  3. The configured warning activates
$103.00
Voltage

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Product Size
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Before You Buy

Wiring is required. Use separate power and signal lines, and confirm the external dry contact signal before connecting the alarm to cameras, PLCs, liquid level meters or other sensors.

Need another control method? See other alarm options →

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 Contact Signal Trigger

The SLA-315 is triggered by an external dry contact signal, making it suitable for cameras, PLCs, liquid level meters and other external sensor systems.

Switching-Value Alarm Control

The alarm supports multi-channel switching-value alarm use. It can help build a simple automation safety warning system for industrial equipment and site monitoring.

Red / Yellow / Green Strobe

The LED strobe light can emit red, yellow and green warning lights. The light color is controlled by the switch signal from the connected system.

Key Specifications

Quick technical checks before ordering.

Sound Level
0–120dB adjustable
Power
15W
Trigger Mode
External dry contact signal trigger
Control Mode
Switching-value signal control; power and signal lines need to be wired separately
Alarm Mode
Audible and visual alarm
Tone
3 tones
Volume Adjustment
0–120dB adjustable
Protection Rating
IP65
Installation Method
Wall-mounted installation
Input Voltage
DC12V / DC24V / AC110V / AC220V

Product Overview

The YASONG SLA-315 dry contact signal alarm siren is designed for factories, warehouses, automation systems, PLC systems, cameras, liquid level meters and external sensor alarm outputs.

This model uses an external dry contact signal trigger and can work with different switching-value control systems. When the external signal is activated, the siren provides 0–120dB adjustable sound and red, yellow or green LED strobe warning.

  • Dry contact signal trigger for external sensor and PLC systems
  • 0–120dB adjustable sound for different alarm environments
  • 3 alarm tones with adjustable tone and volume
  • Red, yellow and green LED strobe controlled by switch signal
  • USB sound upload for custom alarm audio

Wiring is required before use. Please keep power lines and signal lines separated, and confirm the signal type with your camera, PLC or sensor system before installation.

Full Technical SpecificationsDetailed product data from the available product information.
Product Type
Dry Contact Signal Audible and Visual Alarm Siren
Input Voltage
DC12V / DC24V / AC110V / AC220V
Power
15W
Sound Level
0–120dB adjustable
Tone
3 tones
Volume Adjustment
0–120dB adjustable
Alarm Mode
Audible and visual alarm
Trigger Mode
External dry contact signal trigger
Control Mode
Switching-value signal control; power and signal lines need to be wired separately
Work Mode
External signal triggers sound and red / yellow / green LED strobe warning
Light Source
LED Beads
Lighting Mode
Red, yellow and green LED strobe; blinking mode not adjustable
Protection Rating
IP65
Installation Method
Wall-mounted installation
Operating Temperature
-40℃~70℃
Material
Shell: cold-rolled steel sheet; lampshade: PS
Net Weight
3.2kg
Package Dimensions
44cm*23cm*25cm(1Pcs);
46cm*44cm*480cm(4Pcs);
USB Interface
Upload custom alarm sounds
Application Scenarios
Factories, warehouses, PLC systems, camera alarm outputs, liquid level meters, external sensors, automation safety systems, machine warning points, industrial equipment rooms, business security alarm points
Customization
Custom alarm sounds uploadable via USB

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