Hager TG501A


Recommended combinations

  • Recommended by the expert

    Select your smoke detector value pack below:

    3x Hager TG501A

    • Hager TG501A
      3x
    € 104,97€ 101,47
    5% discount on the accessories
    Delivered tomorrow
  • 5x Hager TG501A

    • Hager TG501A
      5x
    € 174,95€ 163,75
    8% discount on the accessories
    Delivered tomorrow

Pros and cons

According to our smoke detector expert
  • Pros:
    The detector runs on AC power and switches to the 9V backup battery automatically in case of a power outage.
  • Pros:
    Link multiple smoke detectors together so they go off simultaneously.
  • Pros:
    The loud signal of 85dB warns you when there is smoke development.
  • Con:
    The smoke detector only detects smoke, not carbon monoxide or heat.
  • Con:
    The smoke detector can only be linked to other Hager smoke detectors using a cable.
Product Expert smoke detectors


The Hager TG501A is an optical smoke detector with a detection range of 50m2. This smoke detector is connected directly to an existing, 230-volt power socket in your ceiling. The detector does have a backup battery, just in case. This means it'll always keep working, even during a power outage. Always put the smoke detector in at least one spot along the escape route, such as the hallway, the landing or the living room. The detector works both by itself and linked up. If you own more Hager smoke detectors and connect them using a cable, they'll all go off simultaneously when smoke is detected. The 85-decibel audio signal will then be audible in every room that has a smoke detector.


Included by default

  • 9V battery
  • Manual



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