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AS3152KT - 12Vdc Instant On or Delayed-On Timer Relay Board

FORMATS AVAILABLE: Self-Assembly Electronic Kit
(Soldering Required) or Pre-Assembled Module (AS)

6 second to 20 minute 12Vdc timer board with choice of either "instant-on delayed off" or "delayed-on and hold" operation with a relay output (C, NO, NC). Countdown starts when power is applied to the board. The relay changes state at the end of the user set delay period and remains in that condition until the power is removed.

An on-board jumper selects the operation mode.

The delay time is quick and easy to set using a series of on-board jumpers and a trimpot. The number of "counts" made is set using a bank of nine possible jumper positions (8, 16, 32, 64, 128, .... to 8192). A trimpot allows you to set the time period for each "count".

Timing range as supplied is from about 6 seconds to a maximum of two hours. Up to 22.7 hours is possible using different components for the RC network (not provided).

Input VoltageRegulated 12Vdc (Order Code 660.446UK and connector 778.106 or 777.001 is suitable)
Current consumption15mA standby, <40mA active
Delay Times Approx.
(see text)
6 seconds minimum
2 hours maximum
Counting periods8, 16, 32, 64, 128, 256, 512, 1024, 4096 and 8192
Output modesOn-to-Off or Off-to-On
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)
Dimensions54 x 58 x 25mm
Fixing Holes4x M3
Board ConnectionsScrew terminal blocks
Product FormatsSELF-ASSEMBLY Electronic Kit (KT) or
PRE-ASSEMBLED Electronic Module (AS) Product Formats Info
DocumentationUser Manual
Diagram showing how to connect two 3152 together to get very long duration delays (up to 20 years with different RC values!)
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