ABB SACE Emax 2 Series User Manual

ABB | SACE Emax 2ABB | SACE Emax 2
Glossary3 | © 2023 ABB | 1SDH001330R1002 - ECN000297030
Glossary
Term Description
SACE Emax 2 New series of ABB SACE air circuit-breakers
CB Circuit-breaker
Protection release
Electronic unit connected to the CB (Mainboard), 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 Protection release
Mainboard
Electronic board of the CB to which the Trip Unit and all the main accessories and electronic actuators
connect
Ekip Touch Trip unit for SACE Emax 2 CBs, equipped with touchscreen display and available in four different versions
Ekip Dip Trip unit SACE Emax 2 CBs, equipped with dip-switch type interface
Ekip LCD
Trip unit for SACE Emax 2 CBs, equipped with LCD display; alternative to Ekip Touch for applications in
particular environmental conditions
Trip coil CB opening actuator controlled directly by Trip unit
TRIP
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
Vaux Auxiliary power supply
4P / 3P / 3P + N CB configuration: four-pole (4P), three-pole (3P) and three-pole with external neutral (3P + N)
If Fault current measured by Trip unit, useful for calculating the trip time t
t

ABB SACE Emax 2 Series Specifications

General

Breaking capacity	Up to 150kA
Number of poles	3 or 4 poles
Communication protocols	Modbus, Profibus
Standards	IEC 60947-2
Type	Air circuit breaker
Mounting	Fixed, Withdrawable