Power Failure Alarm

Power Failure Alarm & Mains Return Hooter

Know the moment your power fails. And the moment it returns. Two essential mains monitoring devices — panel mount, 90×90mm cutout.

90×90mm Cutout12V–220V VariantsUPS CompatibleSilence / Acknowledge Button

Function

Sounds when AC mains fails

Cutout

90mm × 90mm

Supply

12V / 24V / 48V / 110V / 220V AC/DC

Tone

Triple tone with silence/acknowledge

Range

50 metres

Backup

UPS / inverter / battery compatible

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Power Failure Alarm Mains Return Hooter Panel Mount

The diesel cost no one talks about

The average Indian factory wastes ₹800–2,000 of diesel per event running the DG set after mains power has already returned — because no one in the control room or canteen noticed the mains came back.

A mains return hooter sounds the moment mains power is restored. The DG operator hears it and shuts down the generator immediately — stopping the unnecessary fuel burn.

Two devices, two problems solved

✓Power failure alarm — sounds when AC mains cuts off. Staff know immediately, before UPS batteries drain.

✓Mains return hooter — sounds when mains power is restored. DG operator shuts down immediately.

✓Both in 90×90mm flush-mount panel format

✓Silence / acknowledge button stops hooter after acknowledgement

✓Works on UPS / inverter / battery backup power

Parameter	Specification
Function	Sounds when AC mains fails / returns
Panel cutout	90mm × 90mm
Supply voltage	12V / 24V / 48V / 110V / 220V AC/DC
Tone	Triple tone with silence/acknowledge
Output	90 dB at 1 metre (50m range)
Backup compatible	UPS / inverter / battery

You might also need

📄 Power failure alarm wiring diagram & application notes on IndustrialSiren.com

Power Failure Alarm & Mains Return Hooter

The diesel cost no one talks about

Two devices, two problems solved

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