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Over 6000 Products at Incredible Prices!
Kidde KF20LL Interconnectable Optical Smoke Alarm with Long-Life Back-up Battery

Kidde KF20LL Interconnectable Optical Smoke Alarm with Long-Life Back-up Battery

SKU KF20LL
£34.00 - £34.00
£34.00 inc VAT £28.33 exc VAT
£34.00 - £34.00
£34.00 inc VAT £28.33 exc VAT inc VAT £28.33 exc VAT

Estimated delivery time: Next working day

Description

 Main Features:

  • Interlink with up to 23 Firex hard-wired alarms
  • Alarm memory
  • Dust compensation and bug screen
  • Auto reset after activation
  • Tamper-resistant locking device
  • Mains operation – 9V Lithium back-up battery supplied
Specification
  • 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
  • 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
Product Dimensions

  • Alarm Dimensions 127 x 127 x 39mm
  • Bracket Dimensions 133 x 133 x 6mm