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Sound & Optical Sensor Switch Position: Home > Product > Smart Home Switch > Sound & Optical Sensor Switch >

A-101R Sound Control Switch

date:2017-08-16 08:59

  A-101R is a timer switch integrated with a sound sensor. It automatically turns on the load when

  the sound level is above a preset threshold and keeps the load on until a preset delay off time runs

  out.  It is designed for easy installation and retrofit directly fit into standard wall box with no

  need for the neutral.

  • Features
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  • Installation
  • Operation
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  • Automatically sound detection. When the sound level is above 75dB the load is triggered on;

    Delay off time from 20 seconds to 40 seconds (custom settings available);

    Ambient light override. Automatically measures the ambient light level and there is no sound

    trigger when it is above 10 Lux;

    Good for all kinds of loads (an additional adapter required for capacitive lights such as CFL);

    ABS-V0 flame resistance material; and

    Classical 86 series design and high quality build.

  •   Fig. 1 and Fig. 2 show the front view and the back view of the A-101R timer switch respectively.


  •   A-101R timer switch only requires two wires for installation:

                  Hot wire (ACL):    Coming from the power line with 220V; and

                  Load wire:             Going to the load.


      Warning: Please make sure power is turned off before starting installation!


      Fig. 3 shows the wiring diagram and Fig. 4 shows the step-by-step installation instructions. There

      are three easy steps:

                 Step one:       Use a screwdriver to pry off the front plate in position A;

                 Step two:       Wiring according to the diagram and the labelled ports of the switch; and

                 Step three:     Install screws and front plate.

  • Follow the wiring diagram and installation guide carefully and shorting is prohibited;

    Before the switch can work normally it needs 2 minute warm up time once powered on;

    Driving a load which exceeds the power rating 100W is prohibited; and

    It is recommended that the switch not be used in noisy environment.

  •   A-101R timer switch can be used for automatically turning on and turning off various loads on

      sound triggers. They are perfect for saving energy and bringing convenience and safety to our

      daily life and work. They have wide applications at various locations such as balcony stairwell

      washroom and other public places.


      A-101R timer switch does not need the neutral wire to operate so it is perfectly suited for

      replacing the traditional mechanical switches.

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