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AS3085_2KT - Button Activated Delay Timer with Reset

Ability Level 2: ModerateProduct Formats Available : Pre-Assembled Module (AS) or
Self-Assembly Electronic Kit ( Soldering Required)

1 second to 20 minute 12Vdc push button activated delay timer board with reset button and a relay output (C, NO, NC). The relay is activated when the START button is pressed and turns off either after time-out or by pressing RESET. The delay time period is adjusted via the onboard trimpot.

Two capacitor values are provided to give different timing periods. The first gives a timing period of <1 second to approx. 10 minutes and the other covers from 1 second to approx. 20 minutes. LED status indicator.

The board uses a traditional 555 timer circuit that shows how to extend the timing period to the maximum.

Supply VoltageRegulated 10 - 15Vdc
Power Supplies

- 660.446UK (with connector 778.106 or 777.001)
- CFE103

Current consumption<6mA standby, <40mA active
Delay Adjustment1 second to 20 minute approx.
Output Type1 x SPDT Relay
Maximum Output
Load (Resistive)
Up to 48Vac or 28Vdc @ 2 Amps max. (Relay Datasheet)
Output ConnectionsNO, NC, C (Relay FAQ)
Dimensions (mm)~ 43W x 61L x 20H
Board ConnectionsScrew terminal blocks
Product FormatSELF-ASSEMBLY Electronic Kit (KT) or
PRE-ASSEMBLED Electronic Module (AS) Product Formats Info
DocumentationUser Manual
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