Kidde 3SFW Interconnectable Heat Alarm
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Kidde 3SFW Interconnectable Heat Alarm

Part: 3SFW
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 ionisation smoke alarm from the ‘Slick’ range of fast-fit alarms that can be interconnected with up to 23 other Kidde and Firex mains alarms.
  • Optional wireless capability using Wireless Alarm Base (RF-SFTP) for wire-free interconnection.
  • Ionisation alarms are for use in areas where there is danger from fast-flaming fires.
  • The ‘Slick’ range requires installation by a professionally qualified electrician and complies with UK Building Regulations for new housing and associated standards (Grade D, BS5839, Part 6).
  • Unique fast-fit system with separate base plate, for ease of fitting and maintenance
  • Integral, double-decker screwless terminal block for fast, push-fit connection
  • Auto reset after activation with latching LED allowing the initiating alarm to be identified
  • Separate Test and Hush buttons to test and temporarily silence nuisance alarms
  • Alkaline back-up battery provides continuous operation in the event of mains failure
  • Interconnectable with other Kidde mains smoke and heat alarms and Kidde mains CO alarmsusing ‘Smart Interconnect’ technology
  • Tamper-resistant locking device – prevents unauthorised removal without the use of a tool
  • Wireless capability – use with optional Wireless Alarm Base (RF-SFTP) for RF interlink function
  • Deep Base – allows easier wiring

Model :3SFW
Power Supply :230V mains
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 :135 x 135 x 70mm (including ‘Slick’ mounting base)
Alarm Weight :274g
Warranty :10 years
Approvals :BSI certified to BS5446 Part 2:2003
 :CE tested and certified
Associated Standard :BS 5839 Part 6 Grade D
Sensor :Thermistor (Thermal resistor) within detection unit
Sensitivity :Complies with BS 5446 Part2:2003, as a Class A2 device, alarms between 54ºC and 70ºC
Button Test :Simulates the effect of heat at the sensor, checks electronics and sounder
 :Automatic Self-test Circuitry is tested every 40 seconds and unit beeps if fault is detected
Supply Voltage :230V AC, 50 Hz (nominal UK voltage)
Power Consumption :Maximum 80mA
Battery Back-up :User-replaceable alkaline 9V battery (MX1604)
Battery Monitoring :Battery is monitored and unit emits a single chirp every 40 seconds if a fault is present
Low Battery Warning :30-day low battery indicator
Power-on Indicator :Continuous green LED
Alarm Sounder :Electronic piezo-electric sounder (T3 pattern sound - three pulses - space - three pulses)
Sound Output :85dB (A) minimum at 3 metres
Alarm Frequency :3.2 kHz typical
Alarm Status :Red LED flashes rapidly, typically once every 2/3 seconds = unit sensing a fire event
 :Red LED double flashes every 30 seconds = unit is triggering unit (press test button to unlatch)
 :Red LED flashes once every ten seconds = in hush condition (auto-reset after 7 minutes)
 :Red LED flashes once every 35 seconds = normal quiescent operation
Interconnection :Up to 24 units (smoke, heat and CO) can be hardwire interconnected using SMART® interconnect system with optional control (see below)
 :Up to 15 units can be wireless interconnected using appropriate Wireless Base RF-SFTP
Optional :Controls Wireless Base Remote Test and Hush Unit (KN-RTH-RF) when used with Wireless Base
Fixing :‘Slick’ mounting deep base as supplied
Base :Cable Connect. Screwless Terminal Block with slot release feature for conductor

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