ActiV Optical Smoke Detector to EN54-7. Needs base

£12.33 ex. VAT - £14.80 inc. VAT

SKU: C4416 Category:
  • Approvals/certifications
    Certified to EN54-7 by Intertek (0359-CPR-00183).
  • Application/operation
    Uses an IR light source & photodiode to detect smoke. Typically used in escape routes, living areas, bedrooms & other enclosed spaces. Particularly effective at detecting slow burning fires caused by overheated electrical wiring or smouldering materials.
  • Application temperature: n/a.
  • Static response temperature: n/a.
  • Sensitivity: Nominal alarm threshold of 0.16db/m obscuration measured in accordance with EN54-7:2000.
  • Supply wiring: 2-wire monitored, polarity sensitive.
  • Supply/operating voltage: 9 to 33V DC.
  • Quiescent current: 30µA @ 24 VDC.
  • Alarm voltage: 6-33V DC.
  • Alarm current: 19mA @ 12-33V DC; 11mA @ 9V DC; 2.5mA@ 6V DC.
  • Alarm reset voltage: Less than 1V DC (+0.5 seconds alarm reset time).
  • Expansion connections: Remote LED output available via ActiV base. Current source to the negative line, short-circuit protected. Max voltage 2.7V DC.
  • Product dimensions (mm): 102.2mm diameter x 37mm deep (detector in base); 102.2mm diameter x 57.5mm deep.
  • Construction & finish: White polycarbonate casing rated to UL94 V-2 with nylon parts.
  • IP Rating: IP42.
  • Weight: 99g.
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10 in stock (can be backordered)


A high-quality optical smoke detector offering outstanding detection performance at a very competitive price.


  • Manufactured by C-TEC in the UK.
  • Third-party certified to EN54-7 by Intertek.
  • Wide 6-33V DC operating voltage.
  • Two 8mm x 2mm ultra-bright red LED indicating strips offering 360º visibility.
  • Drift compensation functionality ensures detector sensitivity is automatically calibrated to suit prevailing conditions and/or increased contamination levels allowing a greater than 8 year life-span.
  • Compatible with our ActiV C4408D diode, C4408 non-diode and C4408R relay bases.