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What are the terminal markings for the LUA1C20?

Published date: 24 August 2020

LUA1C20 Terminal markings difference

Product line:
IEC Contactors and Starters

Tesys U U-Line Auxliary contacts

The part has two contacts, which do different functions.

LUA1C20 has a NO fault contact and NO auxiliary contact.

Terminals 97-98 are the normally open Fault signalling contact.  They will close in Short circuit or Overload condition.
Terminals 17-18 are the normally open auxiliary contacts.  They will close in Ready, Run and Overload trip positions.

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