Start/Stop Relay Timer Module (1 Second to 60 Hours) Start/Stop Relay Timer Module (1 Second to 60 Hours)
Can be used in a wide range of applications where a device needs to be activated for a user adjustable time period between 1 Second and 60 hours... Electronics > Circuit Boards & Components > Printed Circuit Boards > Development Boards WMT141 WMT141 WMT141 5410329729400 17.70 Quasar Electronics Limited
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Start/Stop Relay Timer Module (1 Second to 60 Hours)

Whadda WMT141 (Velleman VM141) - Start/Stop Relay Timer Module (1 Second to 60 Hours)
Pre-Assembled Module
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Whadda WMT141 (Velleman VM141) Start/Stop timer module with relay output. Ideal for activating electrical devices for a set period of time. User adjustable on time from 1 Sec to 60 hrs.

A potentiometer is used to set the relay ON time in a choice of 4 selectable time scales:

  • 1 - 6 Seconds
  • 1 - 60 Seconds
  • 1 - 60 Minutes
  • 1 - 60 Hours

Onboard START and STOP (reset) control buttons plus inputs for your own external buttons or contact closures. 3-LED rotating display indicates timer is active and counting down.

START activates the timer and the relay turns on. The relay turns off at the end of the countdown period, the timer is reset and ready to accept a new START input.

The timer is non-retriggerable so the timing cycle will complete regardless of further START signals or if START remains closed after activation.

Relay can be turned off and the timer reset at any time using STOP (or by removing the power supply).

Optional "Power-On" mode: If START is closed on power-up, the relay activates and countdown commences immediately. Relay turns off at the end of the countdown period. Power must be removed and reapplied to restart timer (or START opened and closed).

  • wide timing range
  • easy time setting
  • LED animation during operation
  • on-board START-STOP (Reset) buttons
  • terminal block for external Start / Stop buttons (switches not included)
  • debounced buffered inputs avoid false triggering
  • non retriggerable
  • power-on trigger is possible
  • compact size
  • front panel mountable
Operating Voltage12Vdc
Current Consumption< 15mA Standby
< 50mA Relay Active
Power supply12Vdc / 100mA (e.g. Order Code 660.446UK or CFE103)
Adjustable delay1 second - 60 hours (in 4 time bases)
Output1 x SPDT Relay
Maximum Output
Load (Resistive)
24Vac/dc, 3A max.
Relay ConnectionsNO, NC, C (Relay FAQ)
Dimensions (mm)70 x 45 x 20mm / 2.8 x 1.8 x 0.8"
Product FormatPRE-ASSEMBLED Electronic Module
Product Format Info
Velleman WMT141 DocumentationBuy Whadda WMT141 (aka Velleman VM141) Start/Stop Timer Module (1 Second to 60 Hours)
Item Number:
Whadda WMT141
Buy 1-9:
£14.75 Exc VAT, £17.70 Inc VAT Each
Buy 10+:
£13.75 Exc VAT, £16.50 Inc VAT Each
Stock Info:
In Stock (Our UK Warehouse)
Your Total:

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