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        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.

        (HG140AC)

        100-Day Fuss-Free Returns
        We want you to love what you buy—but if you change your mind, that’s okay too. That’s why Sparky Direct offers a 100-day money-back guarantee.

        • Items must be unused, with all parts, accessories, and original packaging.
        • We can’t accept returns if the product is damaged, incomplete, or not in resalable condition.
        • Proof of purchase is required.
        • Return shipping is the responsibility of the customer. 

        If your item isn’t in its original condition, please contact us before returning it—we might save you time and money.

        All products come with a manufacturer’s or supplier’s warranty

        • Warranty starts from the Invoice Date
        • Some suppliers offer in-home warranties and handle claims directly, so you won’t need to uninstall or return the product. Chat with us to check if your product qualifies.
        • Sparky Direct isn’t responsible for losses caused by product failure.
        • Warranties are void if products aren’t installed by a licensed electrician.

        Damaged or Faulty Goods
        If your order arrives damaged or is faulty, let us know within 24 hours.

        • Sparky Direct will pay for return shipping via an emailed return label.
        • If the fault is confirmed, we will send you a replacement item or provide a refund.

        Contact us via our chat to arrange the return.

        Exclusions
        We can’t accept returns for:

        • Items that have been installed, modified, or used
        • Clearance, End of life, Discontinued, or special order items (unless faulty)
        • All PPE Items
        • Goods returned without original packaging or proof of purchase

        How to Request a Return

        1. Contact our customer service team with your order number.
        2. Confirm it’s eligible under our return or warranty policy.
        3. Pack the item securely and return it using a trackable service.
        4. Once we receive and inspect it, we’ll process your refund or replacement.

        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
        Barcode # 9318475002377
        Package Weight 0.280kg
        Package Width 0.125m
        Package Height 0.050m
        Package Length 0.125m
        View Datasheet
        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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