ESU-8 Pulse Relay


This product has been discontinued, but we can recommend compatible replacement parts.

The ESU-8 Pulse Relay is a multi-function solid-state Timer Relay designed with high-precision construction. It provides delay functions: asymmetrical flasher with pulse-start and asymmetrical flasher with pause start in the range of 50 milliseconds to 100 hours.

This Pulse Relay enables a comprehensive range of timing functions to suit a wide variety of applications. Due to the highly versatile voltage range, this timer relay can be installed into new and existing applications in a hassle-free way. Its affordability, optimum space management, and high performance make it ideal for a wide range of applications in process control environments.

Product Features:

  • Self-extinguishing plastic case and housing
  • Dual supply voltage ranging from 12V AC/VDC to 240V AC/VDC
  • SPDT 1C/O contact configuration with relay output 8A at 250V AC
  • DIN-rail mount design for trouble-free installation (suitable encloser required)
  • Reset time of 100ms LED status indication DIN-rail mounting (suitable mounting encloser required)


  • IEC 61812-1
  • IEC 60664-1
  • IEC 60721-3-3
  • IEC 60947-5-1
  • IP20 Rated Terminal & IP40 Rated Housing


  • Max Current: 8A
  • Max Voltage: 250V ac
  • Number of Contacts: 1
  • Power Supply: External
  • Mounting Type: DIN Rail
  • Time Delay: (Reset) 100ms
  • Supply Voltage: 12-240V ac/dc
  • Operating Temperature: +55°C
  • Contact/Switxh Configuration: SPDT
  • Mode of Operation: Asymmetrical Recycler with Pulse
  • Time Increment: Hours, Milliseconds, Minutes, Seconds

Installation is recommended by a qualified electrician or competent trades person.

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