SRX-TIM-4HR Timer Relay Module

Timer Relay Module – adjustable from 30 Minutes to 4 Hours

This Timer Relay Module is ideal for extending a timed switch-contact output up to 4 hours with just a momentary SPST contact input (closed contact). The module provides a SPDT (Normally Open – Common – Normally Closed) relay contact output for integration within an existing system. The timer operation is easily adjusted from 30 minutes to 4 hours using the on-board potentiometer.

12 VDC operation.  Please note that the trigger input can only be operated by a voltage-free switch contact.  Installation within an enclosure is made via 2 self-adhesive PCB supports (included).


  • Power Requirement: 12 VDC at 15mA – 60mA
  • Minimum Time Period: 30 minutes
  • Maximum Time Period: 4 hours
  • Output Relay: SPDT contacts rated at 5A
  • Dimensions: 76mm x 43mm x 30mm
  • Weight: 56g

Product Specifications

Weight 56 g
Dimensions 76 × 43 × 30 mm
Power Requirement



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