Description
PSA HG140AC | HOMEGUARD PHOTOELECTRIC SMOKE ALARM 240V/9V | INTERCONNECTABLE
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.
PSA HG140AC Features
-
240V with 9V battery backup: Reliable protection even during power outages.
-
Interconnects up to 48 units: Scalable system for comprehensive coverage.
-
Photoelectric sensor: Better at detecting smouldering fire types.
-
Single-button test and hush: Easy operation and false alarm control.
-
140mm hinged baseplate: Speeds up wiring access and installation.
-
AS3786:2014 compliant: Meets Australian standards for safety and reliability.
FAQ
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.
| FEATURE | SPECIFICATION |
|---|---|
| Model | HG140AC |
| Sensor Type | Photoelectric |
| Supply Voltage | 240VAC 50Hz |
| Power Consumption | 6mA |
| Battery Back-up | 9V battery (replaceable) |
| Interconnecting | Up to 48 units, 150m maximum |
| Alarm Volume | 85dB at 3 meters |
| Alarm Signal Pattern | ISO8201 sound pattern |
| Temperature Range | 0°C to 45°C |
| Humidity Range | 5% to 95% |
| Hush Function | Yes – approx. 10 mins (Red LED flashes every 10s) |
| Low Battery Warning | Red LED flash every 60s with chirp sound |
| Alarm Duration | Continuous 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 Diameter × 38mm Height |
| Approvals | AS3786:2014 |
| Warranty | 10 Years |
| Specification | Details |
|---|---|
| Brand | PSA Products |
| Model | HG140AC |
| Type | Smoke Alarm |
| Barcode | 9318475002377 |
| SKU | HG140AC |
| Colour | White |
| Power Supply | 240V AC 50Hz |
| Battery Backup | 9V Battery (Replaceable) |
| Alarm Volume | 85dB at 3 metres |
| Interconnectable | Yes |
| Package Weight | 0.280 kg |
| Package Dimensions | 0.125m (W) x 0.050m (H) x 0.125m (L) |







Reviews
There are no reviews yet.