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Learn more by watching our CLIPSAL 755RB | Relay Base for 240v Smoke Alarm video.
The Clipsal 755RB is a mounting base with an integrated 2A voltage-free relay, designed for use with 755PSMA4 or 755RLPSMA4 photoelectric smoke alarms. It allows remote monitoring and control of third-party systems such as emergency lighting, security devices, or home automation systems through a dry contact connection.
Building code compliance in Queensland now requires interconnected, mains-powered photoelectric smoke alarms in all bedrooms and hallways. The 755RB extends the functionality of compliant alarms beyond smoke detection by enabling them to trigger external equipment when an alarm activates. The dry contact terminals (NO, COM, NC) are electrically isolated from mains connections, and the unit supports up to 40 interconnected alarms over wired distances up to 150 metres. Local or global alarm activation can be configured to suit individual installations.
Installers value the relay base for integrating smoke alarms into broader safety and automation ecosystems. The changeover contact design provides flexibility to energise or de-energise external loads, while the dry contact input accepts a momentary switch for remote test and hush functions. Terminal provisions accommodate 1.5 mm² conductors on active, neutral, loop, and interconnect lines, matching standard residential wiring gauges.
Do not use to activate circuits exceeding 2A at 250V a.c., or for non-safety-critical applications that distract from primary smoke detection function.
Verified Sparky Direct customer reviews: Clipsal 755RB (755RB)
"Great product makes connecting emergency lighting or locking systems a breeze." — Darren
"Allows remote sensing of an alarm, hopefully it will never be used." — Ron
"Operates external alarm system very well." — Phil
(755RB)
Installation of the 755RB must be carried out by a licensed electrician. The unit connects to mains wiring and integrates with your smoke alarm network, both of which require professional electrical installation under AS/NZS 3000. Licensed installer status is also a condition of the manufacturer's warranty.
The 755RB is compatible with the Clipsal 755PSMA4 (240V/9V photoelectric) and 755RLPSMA4 (240V with rechargeable lithium battery) surface mount alarms. It is not compatible with flush-mount models (755PFM series) or older 755PSMA2 series. Confirm your alarm model before purchasing.
The relay supports external loads up to 2A at 250V a.c. Common applications include emergency lighting circuits (typically 5–15A per line, routed through the relay contact), door locks, sirens, or home automation devices. Consult the device manual for its current draw and ensure total load does not exceed 2A on the relay contact.
In local mode, the relay activates only when the alarm directly attached to the 755RB detects smoke. In global mode, the relay activates when any alarm in the interconnected network (up to 40 units) triggers. Configuration is set via the 755PSMA4 or 755RLPSMA4 menu during initial setup.
The 755RB carries a 5-year manufacturer warranty covering both domestic and commercial use, provided installation is completed by a licensed electrician and the unit has been installed in accordance with the datasheet instructions. Warranty covers manufacturer defects and electrical failure; physical damage or incorrect application are excluded. Claims are handled through Clipsal in-home warranty.
No. The 755RB is designed for wired interconnection and mains-powered alarms. If you have wireless alarms (e.g., 755RFB with RF interconnect), you would need a wireless relay module rather than the 755RB. Confirm your alarm type and interconnection method before selection.
Wired interconnection is supported over a maximum distance of 150 metres between alarms. Longer runs or split circuits may reduce signal integrity. Install dedicated cable runs for loop and interconnect lines to avoid interference with power circuits; do not share conduit with high-current cables.
The Clipsal 755RB is available online from Sparky Direct, with Australia-wide delivery to any state or territory including regional areas. Sparky Direct is an Australian electrical wholesaler established in 2005, supplying more than 500,000 customers with transparent trade pricing.
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Warranty starts from Invoice Date
Domestic Use: 5 Year
Commercial Use: 5 Year
Warranty Method: Clipsal in home warranty
These specifications and characteristics outline physical, mechanical, electrical details.
| Brand | Clipsal by Schneider Electric |
| SKU | 755RB |
| Model # | 755RB |
| Barcode # | 9311554784034 |
| Package Weight | 0.160kg |
| TYPE | VALUE |
|---|---|
| Type | Smoke Alarm |
| Brand | Clipsal by Schneider Electric |
| Range | Firetek |
| Colour | White |
| Height (mm) | 30 |
| Standards | AS/NZ 3100 |
| Power Source | 240V |
| Mounting | Surface mount |
| Installation Area | Indoor |
| Diameter (mm) | 140 |
| Box increments (This item is sold individually) | 20 |
Electrical and HVAC products sold by Sparky Direct are intended for installation by licensed and appropriately qualified professionals in accordance with applicable Australian Standards and regulatory requirements. Customers are responsible for ensuring that any product purchased, including any related or associated components, is compatible and suitable for their intended installation and application.
Sparky Direct does not provide installation advice and does not assess product suitability for individual circumstances unless expressly confirmed in writing. Customers must confirm correct product selection, compatibility, compliance, and suitability with a licensed or appropriately qualified professional prior to purchase.
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