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Mains Radio-Interlink Ionisation Smoke Alarm with Lithium Back-up - BRK 770RF
Discontinued Product
This product has been discontinued.
Product Overview
Technical Data
FAQs (1)
Quick to detect fast flaming fires, the BRK 770RF is a mains powered ionisation smoke alarm with a radio-frequency base plate, designed to achieve wireless interlink with multiple units. Fitted with a sealed lithium back-up battery to power the alarm after a mains failure, the BRK 770RF is ideal for applications where changing batteries and interlink cables would be inconvenient.
- 230V mains powered with sealed lithium back-up battery (included)
- Kitemarked to BS EN 14604
- Suitable for installations complying with BS 5839-6: 2019 Grade D1
- Consists of a BRK 770MRL ionisation smoke alarm and a radio-frequency base plate
- Wireless interlinking - requires no cables between units
- Up to 50 RF smoke and heat alarms can be interlinked within a single system
- Suitable for upstairs landing areas
- Quick to detect fast flaming fires
- Test and hush button feature
- Radio-frequency range: 150m in free space, 30m in buildings
- 5 year manufacturer's warranty
| Product Code | BK770RF |
|---|---|
| Alternative Product Codes | BK770RF, 770RF, 770 |
| Brand | BRK |
| Back-Up Battery | Self-charging Lithium Battery |
| Dimensions (HxDia) | Ionisation Smoke Alarm: 53x140mm RF Base: 30x140mm |
| Operating Temperature | +5°C to +38°C |
| Relative Humidity | 10% to 85% |
| Sound Output | 85dB |
| Warranty | 5 Years |
| Weight | 0.45kg |
| Product Datasheets |
Q. What sort of smoke alarm system would I need to install for a HMO?
A.
BS 5839-6 recommends that one or two storey HMOs with an individual floor area of no more than 200sqm (not the total of both floors) should have a Grade D smoke alarm system installed. Grade D refers to mains powered smoke alarms with a back up battery power supply. The alarms can be interlinked either by wire or by radio signal and the system does not require a separate fire alarm panel. For HMOs of 3 storey or higher, a Grade A panel system would need to be installed. This can cover the whole of the building, or can be used just for the communal areas with a separate Grade D system installed for the individual dwellings. For both applications, the level of cover should be a minimum of LD3 (in all escape routes) but this may change according to the fire risk assessment.
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