• For monitoring the status of the protection device
• (Open/Close) independently if it has been actuated manually or automatically
• Signal or Auxiliary Contact S/H
• For signalling the automatic tripping of the protection devices

• overload or short-circuit for MCB's
• earth leakage tripping for RCD's

Signal or Auxiliary Contact S/H + Auxiliary Contact H

Two change-over contacts that include both functions as described above (S/H + H)

Shunt Trip (Distance tripping by emission)

For opening the device when it is fed locally or remotely
AC 24-60V
DC 24-48V
AC110-415V
DC110-125V

Undervoltage Release
For opening the devices when the voltage goes AC 230V
lower than a certain value
AC/DC 12V
AC/DC 24V
AC/DC 48V