Vox Controlled Relay Delay Timer Switch with Microphone Vox Controlled Relay Delay Timer Switch with Microphone
Sound activated switch board with microphone. Mains rated relay activates in response to sound. 1s- 4min output timer or latching. Adjustable sensitivity. 12Vdc... Electronics > Circuit Boards & Components > Printed Circuit Boards > Development Boards PM-15 PM-15 PM-15 20.15 Quasar Electronics Limited
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Vox Controlled Relay Delay Timer Switch with Microphone

Vox Controlled Relay Delay Timer Switch with Microphone
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Cebek PM-15 (CPM015) - Vox Controlled Relay Delay Timer Switch with Microphone
Pre-Assembled Module
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Cebek PM-15 sound activated relay switch board module. 1 second to 4 minute on-timer or latching mains rated relay output. Turns on in response to user-adjustable sound level. Microphone mounted on separate board with 10cm cable.

In Delay Timer mode, the relay turns on when triggered by sound and turns off after the user set delay time has elapsed. If sound is still present, there will be a short pause (about 1 second) before the relay is reactivated and a fresh delay countdown begins.

The Cebek PM-15 is less sensitive than our 3126 sound activated board so may be more suited to applications where a higher sound level is preferred to activate the relay.

  • Delay Timer or Latching output modes
  • Relay rated to switch resistive loads up to 7 Amps (2A inductive)
  • Adjustable trigger sensitivity
  • LED status indicator
  • Reverse polarity protection
  • Operating voltage 10-15V dc
  • Microphone mounted on separate board with 10cm connection lead

Supplied fully assembled and tested so you only need to make the necessary connections.

Supply Voltage10 - 15 Vdc (e.g. CFE103 or CFE002)
Current Consumption2mA standby, 60mA active
Microphone typeElectret
Trigger SensitivityAdjustable between 80 - 100dB plus approx.
Frequency Response30 - 12 000 Hz
Output modesDelay Timer or Latching (manual reset)
Timer Range1 Sec. to 4 Min.
Latching ModeBistable with manual reset
Maximum Output
Load (Resistive)
Up to 240Vac or 28Vdc @ 7 Amps max. (Relay Datasheet)
Relay ConnectionsNO, NC, C (Relay FAQ)
Dims. (WxDxH)Main Board: 72 x 42 x 20 mm
Microphone Board: 27 x 13 x 10 mm
Mic Board Lead Length10cm approx.
ConnectorsScrew terminal blocks
DIN-Rail MountC7562
Product FormatPRE-ASSEMBLED Electronic Module
Product Format Info
Item Number:
Cebek PM-15 (CPM015)
Total Price:
£16.79 Exc VAT, £20.15 Inc VAT
Stock Info:
In Stock (Our UK Warehouse)
Your Total:

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