Glossary - ABB Sace Emax 2 Installation, Operation And Maintenance Instructions

Glossary

Term
SACE Emax 2
CB
Trip unit
Ekip Dip
Trip coil
TRIP
Vaux
4P / 3P / 3P + N
If
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Description
New series of ABB SACE air 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 SACE Emax 2 CBs, equipped with dip-switch type interface
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)
Fault current measured by Trip unit, useful for calculating the trip time t
ABB | SACE Emax 2 ABB | SACE Emax 2
t
Glossary