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The Legrand 643088 is a surface-mounted, mains-powered smoke alarm featuring a photoelectric sensor and a built-in 10-year lithium battery backup for continued protection during power loss. Designed for homes, rentals, or renovations, it supports both hardwired and wireless interconnect (up to 20 units), enabling system-wide alerts without running additional cabling.
Built to resist false alarms, it includes sealed mesh protection over the sensor chamber and is tested to endure heat and humidity. A large test/hush button, LED indicators, and UV-resistant housing offer user-friendly operation and long-term durability.
Q: Can I wire this smoke alarm in with others and also use wireless linking?
A: Yes, it supports both wired and RF wireless interconnect.
Q: Does the battery need replacing?
A: No, the battery is sealed and lasts 10 years—the life of the unit.
Q: How many alarms can I interconnect wirelessly?
A: Up to 20 compatible Legrand alarms can be wirelessly linked.
(643088)
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Warranty starts from Invoice Date
Domestic Use: 5 Year
Commercial Use: 5 Year
Warranty Method: Return to Sparky Direct
Specification | Details |
---|---|
Cat. No. | 643088 |
Colour | White |
Supply Voltage | 230-240 V ~ 50 Hz |
Power Source | Mains powered |
Sensor Type | Photoelectric |
Mounting Type | Surface (ceiling or wall) - screws |
Interconnect Type | Wired and wireless (up to 20 interconnected alarms) |
Radio Frequency | 434.2 MHz (no internet required) |
Battery Type | Non-replaceable 10-year lithium (backup) |
Product Size | Ø 148 × 55 mm |
Temperature Range | 0°C to +40°C |
Humidity Range | 10-95% at 20°C (non-condensing) |
Alarm Volume | > 85 dBA at 3 metres* |
Recommended Lifespan | 10 Years |
Alarm Pattern | ISO 8201 |
Quality System | ISO 9001 |
These specifications and characteristics outline physical, mechanical, electrical details.
Brand | Legrand |
SKU | 643088 |
Model # | 643088 |
Barcode # | 9321001511458 |
Package Weight | 0.407kg |
Package Width | 0.070m |
Package Height | 0.155m |
Package Length | 0.155m |
TYPE | VALUE |
---|---|
Type | Smoke Alarm |
Brand | Legrand |
Colour | White |
Installation Area | Indoor |
Battery Type | Non-replaceable 10 year lithium battery |
Supply | 230-240 V ~ 50 Hz |
Mount Type | Surface Mount |
Interconnect Type | Wired/Wireless |
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