Power Status Alarm
The SLA-1501 can be used for power failure alarm or power restored alert. Users can select the working mode by the bottom switch according to the site requirement.
Power-loss and restoration monitoring
Power-loss and restoration monitoring
Please choose the correct single-phase or three-phase voltage option before ordering. Turn on the power switch before use so the built-in battery can keep the alarm working during a power outage.
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-1501 can be used for power failure alarm or power restored alert. Users can select the working mode by the bottom switch according to the site requirement.
The siren has a built-in lithium battery and can automatically recharge when power is available. It can continue warning after power interruption.
The alarm sound reaches 120dB and can be adjusted by the side buttons. This helps match the warning volume to different indoor and outdoor environments.
Quick technical checks before ordering.
The YASONG SLA-1501 power outage alarm siren combines a 120dB adjustable horn, LED strobe warning light and built-in rechargeable lithium battery for farms, fish ponds, banks, substations, telecom rooms, hospitals and security areas.
This model supports power failure alarm and power recovered alarm modes, selected by the bottom switch. When a power failure or phase loss occurs, the siren sounds and the LED strobe flashes to provide a clear warning.
Please choose the correct single-phase or three-phase voltage option before ordering. Turn on the power switch before use, and install the unit according to the wiring type selected.
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.