24 Hour Time Clock Relay Switch, 2 Outputs 24 Hour Time Clock Relay Switch, 2 Outputs Smart Kit Electronics 24 hour programmable time switch with two independently settable mains rated relay outputs. 4-digit 12.7mm red LED display shows current time and is also used for program setting and checking. Microcontroller based for accuracy and reliability... Electronics > Circuit Components > Printed Circuit Boards > Development Boards 1180KT 1180KT View Offer Quasar Electronics Limited
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24 Hour Time Clock Relay Switch, 2 Outputs

AS1180KT - 24 Hour Time Clock Relay Switch, 2 Outputs

This product is obsolete/discontinued and no further stocks are available. Please see alternatives in the category links above.

Ability Level 3: IntermediateProduct Formats Available: Pre-Assembled Module (AS) or
Self-Assembly Electronic Kit ( Soldering Required)

Combined 24 hour clock and programmable timeswitch with two independently settable relay outputs. A 4-digit 12.7mm red LED display shows current time and is also used for program setting and checking. The circuit is microcontroller based for accuracy and reliability.

Two push buttons are used to set the clock time and the activation times of the two relay outputs (in Hours and Minutes). Each relay output can be set to perform one On/Off cycle every 24 hours. On/Off activation times of each output are programmed independently. You could, for example, set Relay1 to come on at 07:15 and off at 08:20 and Relay2 come on at 17:33 and off at 23:59.

The two central decimal points flash every second and each outer decimal point lights when it's corresponding relay is on.

An optional battery backup input is provided for a PP3 battery. This will allow the board to retain the clock and relay activations time settings in the event of a power outage.

Useful in a wide variety of control applications including hyroponics, irrigation, opening vents, access control or even periodically reversing the polarity of a DC supply voltage e.g. to a DC motor (see connection diagram).

Kit version includes solder for assembly.

Specifications
Input VoltageRegulated 12Vdc (e.g. Order Code 660.446UK with connector 778.106 or 777.001 is suitable)
Current Consumption45mA no relays active (each relay consumes approx 25mA when active)
Battery Backup9V @ <10mA i.e. PP3 battery (Order Code 656.020)
Individual Relay Rating230Vac @ 1A, 110Vac @ 2A, 30Vdc @ 2A maximum
Relay ConnectionsNO, NC, C (Relay FAQ)
Board Dimensions1 x 38x93mm (Display), 1 x 80x93mm (control)
Board ConnectionsSolder Posts (hole spacing accepts screw terminal blocks)
Product FormatsSELF-ASSEMBLY Electronic Kit (KT) or
PRE-ASSEMBLED Electronic Module (AS) Product Formats Info
DocumentationUser Manual

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