ABB SACE Tmax XT2 User Manual

1SDH002031A1002 ECN000092998 Rev. B SACE Tmax XT2 – XT4 | 3
Glossary
SACE Tmax XT2
SACE Tmax XT4
New series of ABB SACE molded-case circuit breakers
CB
Circuit breaker
Trip unit
Electronic unit connected to the CB, with the functions of measurement, control and protection
of the CB, following anomalous operating conditions; in the event of an alarm it triggers a TRIP
Ekip Touch
Trip unit for CB SACE Tmax XT2-XT4, equipped with LCD display, available in four different
versions
Trip coil
CB opening actuator, controlled directly by the Trip unit
TRIP
Final phase of a timing protection or of a test command that, except for particular configurations
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)

ABB SACE Tmax XT2 Specifications

General

Brand	ABB
Model	SACE Tmax XT2
Category	Circuit breakers
Language	English