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
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240V with 9V battery backup: Reliable protection even during power outages.
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Interconnects up to 48 units: Scalable system for comprehensive coverage.
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Photoelectric sensor: Better at detecting smouldering fire types.
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Single-button test and hush: Easy operation and false alarm control.
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140mm hinged baseplate: Speeds up wiring access and installation.
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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) |
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