Kidde KF20R Interconnectable Optical Smoke Alarm with Rechargeable Battery
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Kidde KF20R Interconnectable Optical Smoke Alarm with Rechargeable Battery

Part: KF20R
Need this part urgently: we advise you to check the stock availability for this item by contacting our sales team on 01482 589015
Description
  • Mains-powered optical smoke alarm that can be interlinked with up to 23 other Kidde mains alarms, be they ionisation, optical or heat.
  • Once interlinked, the detection of the relevant danger by an individual unit will sound across all the connected alarms.
  • Optical alarms are for use in escape or circulation routes and in areas where there is a danger of ignition of furniture and surroundings by cigarettes producing slow, smouldering fires.
  • This mains-powered unit should be installed by a qualified electrician and can be used throughout the home, except in the kitchen where a Firex Heat Alarm is recommended. These alarms comply with UK Building Regulations for new housing and associated standards (Grade D BS 5839, Part 6).
  • Interlink with up to 23 Firex hard-wired alarms – all alarms sound if danger is detected
  • Alarm memory – identifies source unit within interconnecting network
  • Combined Test/Hush button allows regular testing of alarm function and can be used to temporarily silence nuisance alarms
  • Auto reset after activation
  • Tamper-resistant locking device – prevents unauthorised removal without the use of a tool
  • Mains operation – Built-in rechargeable Lithium back-up tamper-proof battery

Model :KF20R
Power Supply :230V mains-powered with 9V Alkailine battery back-up
Temperature Range :0ºC to + 40ºC
Humidity Range :Up to 93% Relative Humidity (RH) non-condensing
Storage and Transport :-20ºC to +60ºC and 5–95% relative humidity (RH) non-condensing
Alarm Dimensions :127 x 127 x 39mm
Bracket Dimensions :133 x 133 x 6mm
Alarm Weight :242g
Warranty :6 years
Approvals :BSI certified to BS EN14604:2005
 :CE tested and certified Sensor Optical, circular lateral chamber with insect-resistant width slot entry portals and added bug screen mesh
Chamber Size :35mm outside diameter x 16mm depth approximate (external)
Detection Band :Infrared light wavelength
Button Test :Simulates the effect of smoke within the sensing chamber, checks electronics and sounder
 :Automatic Self-test Circuitry is tested and unit beeps (chirps) if fault is detected
Supply Voltage :230V AC, 50 Hz (nominal UK voltage)
Power Consumption :< 15mA
Connection :Push-in/snap-fit type connector with 150mm long flying leads (supplied)
Battery Back-up :User-replaceable alkaline 9V battery (522/6LR61)
Power-on Indicator :Continuous green LED
Alarm Sounder :Electronic piezo-electric sounder (T3 pattern sound - 3 pulses - space - 3 pulses), soldered contacts
Sound Output :85dB (A) minimum at 3 metres
Alarm Frequency 3.2 kHz typical:
Dust Protection :In-built foam gasket in rear of alarm to prevent dust ingress into rear of the alarm
Alarm Status :Red LED flashes approx once every five minutes = normal operation
 :Red LED flashes once a second = sensing smoke (sounder alarm sounds)
 :Red LED flashes once every ten seconds = in hush condition (auto-reset after 15 minutes)
Interconnection :Up to 24 Firex and Kidde ‘Slick’ units (smoke, heat and CO) can be hardwire interconnected with optional control (see below)
Optional Controls :Wired Remote Test and Hush Unit (REMTH) allows test and hush of interlinked units
Optional Pattresses :SMK23RU also has integral switchable relay for operating remote devices
 :SMK4896 – Surface mounting base for added ease of installation
Fixing :Mounting bracket ring supplied with two ‘T’ slot fitting option
 :57mm spacing to a maximum of 90mm for standard screw fittings on back boxes
 :Bracket has 50mm diameter central access hole for cabling
Plastics used :NORYL – Cover, main body and mounting bracket
 :Lead-Free Status All Firex alarms are lead-free

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