Page 8 - MCCB-XT2-XT4

ABB | SACE Tmax XT
Trip unit Overview

1 - General characteristics

Families SACE Tmax XT2 - XT4 can be configured to operate with two Trip unit families:
• Ekip Dip with interface via DIP switches
• Ekip Touch with LCD display
Both families provide protection and measuring functions related to signals from the installation and are
available in different models and versions.
There are four Ekip Touch models available:
• Ekip Touch
• Ekip Touch Measuring
• Ekip Hi-Touch
• Ekip M Touch
As mentioned previously, a description of Ekip Touch is given in this manual;consult the Installation
Instructions for a description of Ekip Dip; references are given on page 4

Main functions The Ekip Touch Trip unit provides the following functions:
1. Measurement: measurement of different quantities, such as: current, voltage, power, energy
2. Protection: depending on the measurements made and the parameters configured by the user, the
Trip unit checks for the presence of alarms and commands circuit-breaker opening if necessary
3. Signalling: management of contacts and communication networks to optimize plant efficiency,
communication among different CB and other functions
The functions are provided both by transducers and actuators inside the circuit-breaker, and by means of
a vast range of external accessories.

Presentation

Figure 2
Ekip Touch has an LCD display (1) for accessing the configuration menus and checking parameters,
measurements and information (page 22).
Connections to the external electronic accessories are available in the lateral terminal box (2), connections
to the internal accessories in the internal terminal box (3) (page 11 for an overview of the electronic
accessories, refer to the Technical catalog and Circuit diagrams for all the other accessories).

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