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Learn more by watching our CLIPSAL 755LPSMA4 | S/Mount Photoelectric Wireless Interconnect Smoke Alarm 10 Year Lithium Battery video.
Additional related video.
The Clipsal 755LPSMA4 is a surface-mount photoelectric smoke alarm powered by a sealed 10-year lithium battery, with built-in 433.42MHz RF wireless interconnect. It is certified to AS 3786:2014, ActivFire listed, and compliant with the Building Code of Australia — making the 755LPSMA4 a drop-in upgrade for any home that needs interconnected smoke alarms without running a single new cable.
The 755LPSMA4 is the unit most often specified for retrofits, rental upgrades, and second-storey or granny-flat additions where running 240V cable to the ceiling is impractical. Because it is battery-only with a sealed lithium cell, a 755LPSMA4 can be installed without a sparkie on the wireless side — though hardwired 755PSMA4 or 755RLPSMA4 alarms in the same property still require licensed installation. It interconnects wirelessly with up to 40 other 755 series alarms.
For sparkies upgrading rental portfolios to meet QLD 2022 legislation, the 755LPSMA4 is the workhorse SKU on the lithium side. It pairs with the 755RFB2 wireless base to link to existing 755PSMA4 and 755RLPSMA4 hardwired alarms, sits in the same Fire Tek family as the Wiser CLP599WSAL smart alarm, and is backed by Clipsal's 5-year in-home warranty and the Schneider Electric national service network.
Do not install the 755LPSMA4 in kitchens, laundries, bathrooms, or garages — cooking steam, shower humidity, dust, and vehicle exhaust will trigger nuisance alarms on a photoelectric sensor. Clipsal recommends a heat alarm in those locations, and the 755LPSMA4 must be mounted at least 1 metre from air conditioner and heater vents, ceiling fans, and light fittings.
"Easy to fit and interconnect... no wiring and 10 year life." — Chalkyt
"Very easy to install and wirelessly connect." — Cam
"Easy to install." — Smithy
(755LPSMA4-10YR-RF-LTH-9V)
Yes. The 755PSMA4 is backwards compatible with the 755PSMA, 755PSMA2, 755RLPSMA2, 755SMA mounting bases — and with the PDL SD100. In most cases it's a true direct swap onto the existing base plate and wiring, with no ceiling repairs required. As one Sparky Direct customer put it, "It was nice to use the old wiring, and even the old holes, so no ceiling repairs required."
Smoke alarms have a 10-year lifespan under Australian Standards and must be replaced once that period is reached, regardless of whether they appear to still be working. The 755PSMA4 carries a 5-year Schneider Electric product warranty.
Yes. The 755PSMA4 is a photoelectric, interconnectable, 240V mains-powered alarm with battery backup, satisfying the QLD smoke alarm legislation that has applied to all properties leased or sold in Queensland since 1 January 2022.
Up to 40 alarms can be wired together, with a maximum wire length of 150 metres between the first and last unit. The same 40-alarm limit applies when interconnecting wirelessly via the 755RFB2 base.
Yes, when paired with the optional 755RFB2 wireless mounting base. This avoids running new cable through existing ceilings — ideal for retrofits and renovations.
Yes, when installed on the optional 755RB relay base. The relay base provides a voltage-free changeover contact for triggering lights, sirens, strobes or home automation systems.
Sparky Direct reviewers consistently report low false-alarm rates: "does not alarm when using the stovetop," "Found smoke alarm to be free from false positives," "These smoke alarms do not seem to have false alarms compared to others." The built-in stainless steel insect screen and modern optical chamber design help reduce nuisance triggers from dust and insects. The Test/Hush button silences nuisance triggers (such as cooking smoke) for 10 minutes.
No. The 755PSMA4 is a hardwired 240V mains-powered alarm and must be installed by a licensed electrician under Australian electrical regulations.
On the ceiling, centred in the room where possible, and at least 1 metre from air conditioner/heater vents, ceiling fans, electrical appliances and fittings. Do not install in garages, kitchens, bathrooms or any high-moisture or high-dust area. Stairways should always carry an alarm — they act as chimneys for smoke and heat.
The 755PSMA4 uses a replaceable 9V battery for backup. The 755RLPSMA4 uses a sealed-in 10-year rechargeable lithium battery, so there's no annual battery change. Both share the same photoelectric core and mounting compatibility
The 755PSMA4 is the genuine Clipsal/Schneider OEM option — the unit that has been overwhelmingly installed in Australian new builds since the early 2000s.
The Red R10RF and PSA LIF6000 are aftermarket photoelectric alternatives.
The 755PSMA4 is chosen by customers who specifically want direct-swap compatibility with existing Clipsal 755-series base plates, or who want to standardise on a single specified brand across a project.
As a reviewer noted: "As recommended by my electrician, I replaced my existing Clipsal smoke alarms with them after 10 years. A brand trusted by electricians and a quality lasting product."
Across 220+ Sparky Direct reviews, three themes dominate.
It's the straight swap. Sparkies and homeowners hitting the 10-year replacement point overwhelmingly buy the 755PSMA4 because it lands directly on the old Clipsal base plate — no re-wiring, no fresh ceiling holes, no plaster repairs. "Easy upgrade for existing out-of-date Clipsal smoke alarms. Great value and no messing about with base plate and in-ceiling wiring."
Tradies trust the brand. "Trust in your brands, these hardly fail, very few call backs." "You cannot go wrong with the CLIPSAL brand." For working electricians, callback risk on a smoke alarm is reputation risk — and the 755-series has decades of installed-base credibility.
Sparky Direct ships fast at trade prices. "Great all round service — at Tradie rates!" "Surprisingly, I received the 2 smoke alarms the very next day." "Best value for money smoke alarms on the market and a good brand you can trust."
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.
If your item isn’t in its original condition, please contact us before returning it—we might save you time and money.
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If your order arrives damaged or is faulty, let us know within 24 hours.
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Exclusions
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How to Request a Return
Warranty starts from Invoice Date
Domestic Use: 5 Year
Warranty Method: Clipsal in home warranty
These specifications and characteristics outline physical, mechanical, electrical details.
| Brand | Clipsal by Schneider Electric |
| SKU | 755LPSMA4-10YR-RF-LTH-9V |
| Model # | 755LPSMA4 |
| Barcode # | 9311554795832 |
| Package Weight | 0.212kg |
| Package Width | 0.050m |
| Package Height | 0.136m |
| Package Length | 0.136m |
| TYPE | VALUE |
|---|---|
| Type | Smoke Alarm |
| Brand | Clipsal by Schneider Electric |
| Range | Fire Tek 755 Series |
| Colour | White |
| Height (mm) | 37.5 |
| Power source | 10 Year Lithium Battery |
| Power source | Sealed 10-year lithium battery (non-removable) |
| Mounting | Surface mount, ceiling or wall |
| Operating current | 70mA |
| Listings | ActivFire, RCM, SAI Global 5 Ticks |
| Interconnect | Built-in RF wireless, up to 40 alarms |
| Transmit frequency | 433.42MHz |
| Wireless response time | Within 30 seconds |
| Horn level | 85dB at 3 metres |
| Indoor/outdoor | Indoor use only |
| Ambient humidity | 5% to 95% |
| Hush duration | 10 minutes |
| Certification | AS 3786:2014, AS/NZS 60065 |
| Compliance | Building Code of Australia, QLD 2022 smoke alarm legislation |
| Weight | 0.22kg |
| RF range | 140m free air, 50m indoor line of sight |
| Sensor type | Photoelectric |
| Battery Type | 10 Year Rechargeable Lithium |
| Box increments (This item is sold individually) | 40 |
| Operating temperature | 0°C to 45°C |
| IP Rating | IP20 |
| Diameter (mm) | 130.3 |
| Installation Area | Indoor |