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The PSA HG140AC HomeGuard is a 240V photoelectric smoke alarm with a replaceable 9V battery backup, offering dependable fire detection for homes and apartments. It uses advanced photoelectric sensing to detect slow-smouldering fires early and includes a hinged 140mm baseplate for easy installation and maintenance.
This alarm supports interconnection of up to 48 units across a 150m run, making it ideal for larger homes and multi-alarm systems. A single-button test/hush function and LED indicators provide user-friendly status updates. Fully compliant with AS3786:2014 and backed by a 10-year warranty, the HG140AC is a trusted safety upgrade for any property.
Q: How many alarms can be interconnected?
A: Up to 48 alarms can be connected over a 150m cable run.
Q: Does the alarm function during a blackout?
A: Yes, it includes a 9V backup battery for continued operation.
Q: How are alarm statuses displayed?
A: Red and green LED indicators show standby, alarm, low battery, and hush statuses.
(HG140AC)
Warranty starts from Invoice Date
Domestic Use: 10 Year
Commercial Use: 10 Year
Warranty Method: Return to Sparky Direct
| Specification | Details |
|---|---|
| Model | HG140AC |
| Sensor Type | Photoelectric |
| Supply Voltage | 240VAC 50Hz |
| Power Consumption | 6mA |
| Battery Back-up | 9V battery replaceable |
| Interconnecting | Up to 48, 150m Max |
| Alarm Volume | 85dB at 3m |
| Alarm Signal Pattern | ISO8201 sound pattern |
| Temperature Range | 0 to 45°C |
| Humidity Range | 5% to 95% |
| Hush Function | Yes – approx 10 mins. Red LED flash every 10s |
| Low Battery | Red LED flash every 60s and chirp |
| Alarm Duration | While smoke is detected |
| Alarm Indication | Red LED flashing rapidly |
| Alarm Memory | None |
| Chamber Monitoring | None |
| Indicator LEDs | Red and Green |
| Wiring Terminal | Active/ Interconnect/ Neutral/ Loop |
| Dimensions | 140mm Dia × 38mm H |
| Approvals | AS3786:2014 |
| Warranty | 10 years |
These specifications and characteristics outline physical, mechanical, electrical details.
| Brand | PSA Products |
| SKU | HG140AC |
| Package Weight | 0.280kg |
| Package Width | 0.125m |
| Package Height | 0.050m |
| Package Length | 0.125m |
| TYPE | VALUE |
|---|---|
| Type | Smoke Alarm |
| Brand | PSA |
| Colour | White |
| Battery Backup | 9V Battery Replaceable |
| Supply Voltage | 240V AC 50HZ |
| Alarm Volume | 85dB at 3 metres |
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