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AS3126KT - Sound Activated Relay Switch

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

New Improved Sensitivity Range - Higher Upper Threshold

Non-latching mini voice/sound activated relay switch. Can be used as a hands-free voice activation switch to operate tape recorders, lights, and a variety of other devices.

We have improved the sensitivity adjustment range by increasing the upper trigger level threshold without compromising low level sensitivity.

Also suitable for use as a simple security device to sound an alarm or activate monitoring equipment.

Features
  • User adjustable trigger sensitivity to suit different environments
  • Relay automatically turns off about 3 seconds after sound level drops below trigger threshold
  • Relay status indicator LED
  • Electret microphone included
  • Output relay rated to switch loads of up to 120Vac or 24Vdc @ 1 Amp max
Specifications
Input Voltage9...12Vdc regulated e.g. Order Code 660.446UK with connector 778.106
Current ConsumptionStandby: ~2mA
Relay Active: ~30mA
Trigger SensitivityAdjustable between 50 - 100dB plus approx.
Frequency Response~ 30 - 17,000 Hz
Turn-off Delay~ 3 Seconds
Output Type1 x SPDT Relay
Maximum Output
Load (Resistive)
Up to 120Vac/24Vdc @ 1 Amp max. (Relay Datasheet)
Output ConnectionsNO, NC, C (Relay FAQ)
Fixing Holes4 x M3
Dimensions (WxDxH)~ 45 x 48 x 15 mm
EnclosureWCAH2855
Board ConnectionsScrew terminal blocks
Product FormatsSELF-ASSEMBLY Electronic Kit (KT) or
PRE-ASSEMBLED Electronic Module (AS) Product Formats Info
DocumentationUser Manual
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