Glossary - ABB SACE Tmax XT2 User Manual

Glossary

SACE Tmax XT2
New series of ABB SACE molded-case circuit breakers
SACE Tmax XT4
CB Circuit breaker
Electronic unit connected to the CB, with the functions of measurement, control and protection
Trip unit
of the CB, following anomalous operating conditions; in the event of an alarm it triggers a TRIP
Trip unit for CB SACE Tmax XT2-XT4, equipped with LCD display, available in four different
Ekip Touch
versions
Trip coil CB opening actuator, controlled directly by the Trip unit
Final phase of a timing protection or of a test command that, except for particular configurations
TRIP provided by the trip unit, coincides with the activation of the trip coil, which instantly opens the
bars of each pole and interrupts the flowing power.
Vaux Auxiliary power supply
4P / 3P / 3P + N CB configurations: tetrapolar (4P), tripolar (3P) and tripolar with external neutral (3P + N)
1SDH002031A1002 ECN000092998 Rev. B
SACE Tmax XT2 – XT4 | 3