ACTI9 Dig Time Switch, 24H, 7D, IHP, 1C, V1

ACTI9 Dig Time Switch, 24H, 7D, IHP, 1C, V1

ACTI9 Dig Time Switch, 24H, 7D, IHP, 1C, V1

Item Number: CCT15720

RRP (Inc. GST)

Product Dimensions

Width icon

Width45 mm

Height icon

Height85 mm

Depth icon

Depth66 mm



Qty UoM EAN Colour



Range of product

Acti 9


Acti 9

Product or component type

programmable digital time switch

Device application



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    • Colour tint

      white (RAL 9003)

      Product compatibility

      mechanical compatibility with electrical distribution comb busbars

      Sustainable offer status

      Green Premium product


      18 months


      Number of channels


      [Ue] rated operational voltage

      230 V AC +/- 10 % at 50/60 Hz

      Minimum interval duration

      1 min

      Function available

      automatic winter/summer time changeover

      Backup time

      6 years time and program saving

      Type of setting

      absence for holidays function

      Connections - terminals

      screwless terminals

      Mounting support

      DIN rail


      45 mm


      85 mm


      66 mm

      Ambient air temperature for operation

      -10-50 °C

      IP degree of protection

      IP20 B

      EU RoHS Directive

      Pro-active compliance (Product out of EU RoHS legal scope)

      Environmental Disclosure


      Circularity Profile



      Package 1 Height

      0.8 dm

      Package 1 Length

      1.07 dm

      Package 1 width

      0.5 dm

      Product name

      Acti 9 IHP

      Device short name


      Battery type


      Power consumption in VA

      4 VA

      Maximum switching current

    • 10 A - 250 V AC pf = 0.6
    • 16 A - 250 V AC pf = 1
      • Accuracy

        +/- 1 s/day 20 °C

        Cycle duration

        24 hours + 7 days

        Maximum number of switchings


        Display type

        backlit LCD

        Battery life

        6 year(s)

        9 mm pitches




        Absence for holidays


        Time changeover


        Updated by


        Compatibility code


        Package 1 Weight

        0.188 kg
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        Frequently Asked Questions

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        Why is there a voltage present at the terminals of the open contact of an IHP digital time clock.?

        The new generation programmable time switches (CCT15720, CCT15721, CCT15722, CTT15723, CCT15850, CCT15851,CCT15852, CCT15853, CCT16650 and CCT15652) integrate the O-crossing technique. This is an electronic procedure enabling the circuit to be opened at zero current, which enables the electromechanical contact to be operated off-load.

        This is used to avoid the inrush currents of certain loads, particularly lighting.

        This solution involves a low leakage current traveling through the electronics which generates residual voltage at the contact terminals, even when open. This can cause problems when very low loads (small relays, LEDs, etc.) are operated, as the receiver may be "held on" by this spurious voltage. 

        For this type of application (low load), a conventional electromechanical programmable time switch should be used.

        Is the CCT15725 available in 24v dc

         Only available in 240v only

        Why can't I measure a voltage on the time switch output contacts.

        The time switches have a "volts free" contact which means that the contact is not connected internally to the time switch power supply.

        The contact needs to be separately fed (usually linked across from the incoming live)

        What does the plug shaped symbol on the display of a CCT15940 time switch mean?

        The plug symbol means that the timer is in power fail mode.
        This means that the mains supply of the timer is no longer present.
        The symbol will disappear as soon as the mains are reconnected.


        Why the CCT15940 time switch does not operates again, after the electrical power has resumed?

        If the timer has been connected all the time to mains, then it seems that the timer has been damaged (maybe due to high voltage or spikes in the network).

        Instructions for Merlin Gerin timer CCT15837 or CCT15854

        See the attached installation instructions for both timers.

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