Manufacturer's Code NESS 101-289B


$99.95 per ea

Quantity Price
ea $99.95
per ea
All prices shown are (inc. GST)


This Photoelectric Smoke Detector detects visible particles pf combustions. It responds to a wide range of fires, but are particularly responsive to smouldering fires and the dense smoke given off by foam-filled furnishings or overheated PVC wiring. Its Good for smouldering fire and dense smoke and Not as prone to cooking nuisance alarms. Suitable for general use.

BCA (Building Code of Australia) compliant.
CSIRO certified and listed to AS3786:2014.


  • Low profile design in ceiling white casing.
  • 9-24 volt DC operation with an On-board 9v back-up battery.
  • NO (normally open) and NC (normally closed) contacts
  • 8 second alarm verification feature Custom dual-mode alarm relay, interconnect
  • Automatic diagnostic test feature
  • Custom 'easy-clean' chamber
  • 'HUSH' button with 10min timer
  • Interconnect up to 24 smoke detectors
  • Temporal Horn Pattern
  • Green and Red Bi-Colour LED Indication
  • Visual and Audible Indication of Low Battery and other Fault conditions.

Information & Downloads


  • Supply Voltage Range: 10V DC ~ 30V DC
  • Max. Average Standby Current: 6mA@24V DC external power and 9V DC back - up battery
  • 9uA@only 9V DC back-up battery
  • Max. Average Alarm Current: 30mA@24V DC external power and 9V DC back-up battery
  • 50mA@only 9V DC back-up battery
  • P-Horn Sound Output Level: 85dB(A) at 3m
  • Max. Interconnected Units: 24
  • Silence Mode Timeout Period: 8 Minutes or cancel by pressing silence/test switch for more than 3 seconds
  • Relay Contract Ratings: 1Amp@30V DC/ 30V AC
  • Height: 55mm
  • Diameter: 135mm
  • Weight: 236g
  • Operating Temperature Range: 0°C to 45°C
  • Humidity: 5% to 93% R.H.
    • *Specifications are subject to change without notice.

Warranty & Returns


We offer 12 months warranty on this product from its date of purchase. This is available from Altronics stores, online purchases or Altronics resellers. In accordance with our full warranty terms we will repair, replace or refund if goods you have purchased from us are defective.


Not withstanding our warranty policy, if you are dissatisfied with our goods or service you may return the goods within 14 days of our despatch date. Simply contact us for a return authorisation number and we will refund your purchase in full, less transport costs on receipt of goods. All returned goods must be in as sold condition including all packaging, instructions, invoices etc.