Kidde KF30R Mains Powered Heat Alarm with Rechargeable Back-Up Battery

The Kidde Firex KF30R is a 230V mains-powered heat alarm with a rechargeable, sealed-in lithium back-up battery. It uses a thermistor sensor and is intended for kitchens, garages and other areas where smoke alarms would suffer nuisance alarms. It can be hard-wire interlinked with up to 23 other Kidde Firex mains alarms (optical, ionisation or heat), so that when one unit detects danger every connected alarm sounds.

Key features

• Interlinks with up to 23 Firex hard-wired alarms; all alarms sound when danger is detected
• Alarm memory identifies the source unit within an interconnected network
• Combined Test/Hush button for routine testing and temporary silencing of nuisance alarms
• Automatic reset after activation
• Tamper-resistant locking device prevents removal without a tool
• Rechargeable sealed-in lithium back-up battery
• Automatic self-test: the unit chirps if a fault is detected

Technical specifications

• Model: KF30R
• Power supply: 230V AC, 50Hz mains with rechargeable sealed-in lithium battery back-up
• Sensor: thermistor heat sensor; alarms above 58°C
• Sound output: 85dB(A) minimum at 3m; alarm frequency 3.2kHz typical
• Alarm pattern: temporal T3 (three pulses, pause, three pulses)
• Power consumption: <15mA
• Connection: push-in/snap-fit connector with 150mm flying leads (supplied)
• Mounting: ceiling or wall; bracket with 57mm to 90mm screw spacing for standard back boxes and a 50mm central cable access hole
• Dimensions: 127 x 127 x 51mm
• Weight: 197g (including battery)
• Operating temperature: 0°C to +40°C
• Humidity: up to 93% RH, non-condensing
• Storage and transport: -20°C to +60°C, 5–95% RH
• Approvals: BSI certified to BS 5446-2:2003
• Alarm grade: D1
• Warranty: 6 years (including battery)