{"id":5866,"date":"2026-05-28T10:31:25","date_gmt":"2026-05-28T10:31:25","guid":{"rendered":"https:\/\/quantumit.online\/gotham_electric\/?post_type=product&p=5866"},"modified":"2026-05-28T10:31:26","modified_gmt":"2026-05-28T10:31:26","slug":"psa-hg140ac-homeguard-photoelectric-smoke-alarm-240v-9v-white-interconnectable","status":"publish","type":"product","link":"https:\/\/quantumit.online\/gotham_electric\/product\/psa-hg140ac-homeguard-photoelectric-smoke-alarm-240v-9v-white-interconnectable\/","title":{"rendered":"PSA HG140AC | HOMEGUARD PHOTOELECTRIC SMOKE ALARM 240V\/9V WHITE | INTERCONNECTABLE"},"content":{"rendered":"

PSA HG140AC | HOMEGUARD PHOTOELECTRIC SMOKE ALARM 240V\/9V | INTERCONNECTABLE<\/strong><\/p>\n

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.<\/p>\n

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.<\/p>\n

PSA HG140AC Features<\/strong><\/h2>\n
    \n
  • \n

    240V with 9V battery backup:<\/strong>\u00a0Reliable protection even during power outages.<\/p>\n<\/li>\n

  • \n

    Interconnects up to 48 units:<\/strong>\u00a0Scalable system for comprehensive coverage.<\/p>\n<\/li>\n

  • \n

    Photoelectric sensor:<\/strong>\u00a0Better at detecting smouldering fire types.<\/p>\n<\/li>\n

  • \n

    Single-button test and hush:<\/strong>\u00a0Easy operation and false alarm control.<\/p>\n<\/li>\n

  • \n

    140mm hinged baseplate:<\/strong>\u00a0Speeds up wiring access and installation.<\/p>\n<\/li>\n

  • \n

    AS3786:2014 compliant:<\/strong>\u00a0Meets Australian standards for safety and reliability.<\/p>\n<\/li>\n<\/ul>\n

    FAQ<\/strong><\/h2>\n

    Q: How many alarms can be interconnected?<\/strong>
    A:<\/strong>\u00a0Up to 48 alarms can be connected over a 150m cable run.<\/p>\n

    Q: Does the alarm function during a blackout?<\/strong>
    A:<\/strong>\u00a0Yes, it includes a 9V backup battery for continued operation.<\/p>\n

    Q: How are alarm statuses displayed?<\/strong>
    A:<\/strong>\u00a0Red and green LED indicators show standby, alarm, low battery, and hush statuses.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
    FEATURE<\/strong><\/th>\nSPECIFICATION<\/strong><\/th>\n<\/tr>\n<\/thead>\n
    Model<\/strong><\/td>\nHG140AC<\/td>\n<\/tr>\n
    Sensor Type<\/strong><\/td>\nPhotoelectric<\/td>\n<\/tr>\n
    Supply Voltage<\/strong><\/td>\n240VAC 50Hz<\/td>\n<\/tr>\n
    Power Consumption<\/strong><\/td>\n6mA<\/td>\n<\/tr>\n
    Battery Back-up<\/strong><\/td>\n9V battery (replaceable)<\/td>\n<\/tr>\n
    Interconnecting<\/strong><\/td>\nUp to 48 units, 150m maximum<\/td>\n<\/tr>\n
    Alarm Volume<\/strong><\/td>\n85dB at 3 meters<\/td>\n<\/tr>\n
    Alarm Signal Pattern<\/strong><\/td>\nISO8201 sound pattern<\/td>\n<\/tr>\n
    Temperature Range<\/strong><\/td>\n0\u00b0C to 45\u00b0C<\/td>\n<\/tr>\n
    Humidity Range<\/strong><\/td>\n5% to 95%<\/td>\n<\/tr>\n
    Hush Function<\/strong><\/td>\nYes \u2013 approx. 10 mins (Red LED flashes every 10s)<\/td>\n<\/tr>\n
    Low Battery Warning<\/strong><\/td>\nRed LED flash every 60s with chirp sound<\/td>\n<\/tr>\n
    Alarm Duration<\/strong><\/td>\nContinuous while smoke is detected<\/td>\n<\/tr>\n
    Alarm Indication<\/strong><\/td>\nRed LED flashing rapidly<\/td>\n<\/tr>\n
    Alarm Memory<\/strong><\/td>\nNone<\/td>\n<\/tr>\n
    Chamber Monitoring<\/strong><\/td>\nNone<\/td>\n<\/tr>\n
    Indicator LEDs<\/strong><\/td>\nRed and Green<\/td>\n<\/tr>\n
    Wiring Terminal<\/strong><\/td>\nActive \/ Interconnect \/ Neutral \/ Loop<\/td>\n<\/tr>\n
    Dimensions<\/strong><\/td>\n140mm Diameter \u00d7 38mm Height<\/td>\n<\/tr>\n
    Approvals<\/strong><\/td>\nAS3786:2014<\/td>\n<\/tr>\n
    Warranty<\/strong><\/td>\n10 Years<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

     <\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
    Specification<\/strong><\/th>\nDetails<\/strong><\/th>\n<\/tr>\n<\/thead>\n
    Brand<\/strong><\/td>\nPSA Products<\/td>\n<\/tr>\n
    Model<\/strong><\/td>\nHG140AC<\/td>\n<\/tr>\n
    Type<\/strong><\/td>\nSmoke Alarm<\/td>\n<\/tr>\n
    Barcode<\/strong><\/td>\n9318475002377<\/td>\n<\/tr>\n
    SKU<\/strong><\/td>\nHG140AC<\/td>\n<\/tr>\n
    Colour<\/strong><\/td>\nWhite<\/td>\n<\/tr>\n
    Power Supply<\/strong><\/td>\n240V AC 50Hz<\/td>\n<\/tr>\n
    Battery Backup<\/strong><\/td>\n9V Battery (Replaceable)<\/td>\n<\/tr>\n
    Alarm Volume<\/strong><\/td>\n85dB at 3 metres<\/td>\n<\/tr>\n
    Interconnectable<\/strong><\/td>\nYes<\/td>\n<\/tr>\n
    Package Weight<\/strong><\/td>\n0.280 kg<\/td>\n<\/tr>\n
    Package Dimensions<\/strong><\/td>\n0.125m (W) x 0.050m (H) x 0.125m (L)<\/td>\n<\/tr>\n
    <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

    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…<\/p>\n","protected":false},"featured_media":5867,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[61],"product_tag":[],"class_list":["post-5866","product","type-product","status-publish","has-post-thumbnail","product_cat-security-smoke-alarms","first","instock","sale","shipping-taxable","purchasable","product-type-simple"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/quantumit.online\/gotham_electric\/wp-json\/wp\/v2\/product\/5866","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/quantumit.online\/gotham_electric\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/quantumit.online\/gotham_electric\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/quantumit.online\/gotham_electric\/wp-json\/wp\/v2\/comments?post=5866"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/quantumit.online\/gotham_electric\/wp-json\/wp\/v2\/media\/5867"}],"wp:attachment":[{"href":"https:\/\/quantumit.online\/gotham_electric\/wp-json\/wp\/v2\/media?parent=5866"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/quantumit.online\/gotham_electric\/wp-json\/wp\/v2\/product_brand?post=5866"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/quantumit.online\/gotham_electric\/wp-json\/wp\/v2\/product_cat?post=5866"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/quantumit.online\/gotham_electric\/wp-json\/wp\/v2\/product_tag?post=5866"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}