Glossary - ABB SACE Tmax XT5 Operation And Maintenance Manual

Glossary

Term
SACE Tmax XT5
CB
Trip unit
Ekip Touch
Trip coil
TRIP
Vaux
4P / 3P / 3P + N
3 | © 2019 ABB | 1SDH002039A1002 - ECN000093027 - Rev. A
Description
New series of ABB SACE moulded-case circuit-breakers
Circuit-breaker
Electronic unit connected to the CB, which provides measuring, monitoring and protection functions for the CB if
faulty operating conditions occur. In the event of an alarm, it commands a TRIP
Trip unit for SACE Tmax XT5 CB, equipped with touchscreen display and available in six different versions
CB opening actuator controlled directly by Trip unit
Concluding action of protection timing or a test command which, except in special configurations applicable to the
trip unit, coincides with activation of the trip coil, which instantly opens the bars of each pole and interrupts the
circulating current
Auxiliary power supply
CB configuration: four-pole (4P), three-pole (3P) and three-pole with external neutral (3P + N)
ABB | SACE Tmax XT
Glossary |