×

Kidde KF20 Mains Optical Sensor Smoke Alarm

In stock
SKU
4973
£12.95 £10.79

Kidde optical smoke detector

Product Description

 

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 alarm features:

  • Interlink with up to 23 Firex hard-wired alarms – all alarms sound if danger is detected
  • Alarm memory – identifies source unit within interconnecting network
  • Reduced energy consumption – lower lifetime running costs
  • Combined Test/HushTM 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 – 9V Alkaline back-up battery supplied as standard

 

 

Product Details

 

  • Power Supply: 230V mains-powered with 9V Alkaline battery back-up

 

  • Temperature Range: 0ºC to + 40ºC

 

  • Humidity Range: Up to 93% 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, 9-slot entry portals

 

  • 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

 

  • Power Consumption: < 15mA

 

  • Connection: Push-in/snap-fit type connector with 150mm long flying leads (supplied)

 

  • 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

 

  • 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 

 

  • 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

More Information
SKU 4973
PRODUCT TYPE Smoke Detector
GTIN 47871259717
Manufacturer Kidde
Write Your Own Review
You're reviewing:Kidde KF20 Mains Optical Sensor Smoke Alarm
Your Rating

Products from the same brand

  1. Kidde KF10 Mains Ionisation Smoke Alarm
    Kidde KF10 Mains Ionisation Smoke Alarm
    £12.95 £10.79
    In stock

Orders placed before 3pm are usually dispatched the same working day. If your items are located outside our main warehouse, we may require 1-2 working days to retrieve and dispatch your items. All orders are shipped using an overnight courier service, we currently use APC and Royal Mail couriers.

There are two options to receive your goods:
Delivery through our courier services (APC, Royal Mail)
You can collect your order from our trade counter.

Next Day Courier
Where items are in stock, orders of £250 or more (excluding VAT) will receive free next working day delivery within England, Wales and Mainland Scotland. (There are some exceptions- please see below*) Please note that orders made after 3:00pm may not processed in time for the Next Day service. Delivery times cannot be guaranteed. If your items are not in stock, they will be shipped as soon as we receive them.

Delivery Exceptions*:
Regional postcode restrictions
Our courier has further surcharges for delivery to specific regions. These charges are beyond our control but we will endeavour to keep costs to a minimum. Areas which may incur a surcharge, include:

  • Some areas of Scottish Lowlands
  • Some areas of Scottish Highlands
  • Offshore regions in Scotland
  • Isle of Wight
  • Oversize Charges

Please Note: A delivery surcharge or oversize charge will be added to certain items due to special handling and shipping requirements (size, weight, etc.) We will advise you if your items are in this category.

Collection
All customers are welcome to visit our trade counter to collect their order. If your order has been confirmed and processed, we will keep it ready for you.

Brands

HIK Vision
Kanlux
MK
CTEC
Aico
Fike
  • Sale Products
  • Best Seller
Kidde KF20 Mains Optical Sensor Smoke Alarm