Page 186 - Sace Emax 2 Manual for design engineers

ABB | SACE Emax 2
2 - Measurement

Presentation Two Measurement modules are available:
• Measurement enabler installed by default on Ekip Touch and enabled in the presence of the Measuring
Measurements package (enabling can be obtained both at the time the circuit-breaker is ordered or at a
later date, via Market Place)
• Measurement enabler with voltage socket is installed by default on Ekip Hi-Touch, Ekip G Touch and Ekip
G Hi-Touch; can be installed in conjunction with Ekip Touch if requested when circuit-breaker is ordered
Both modules measure voltages, frequencies, power and energy values; in addition, the Measurement
enabler with voltage socket module allows:
• the Trip unit to be supplied directly by the voltage sockets to which it is connected
• management of the synchronism function when the Ekip Synchrocheck module is installed (see chapter
dedicated to Ekip Synchrocheck from page 223).

Measurement performance The measurement performance provided when the Measurement modules are installed (described on page
114), are more accurate when the Class 1 Power & Energy Metering package is present (described on page
117.

Configurations available Both modules can be ordered with different connection configurations:
• connections to internal terminals or in an external terminal box
• connections to the upper or lower terminals of the poles on the basis of the expected power flow
• with normal or reverse pole order
For full details about ordering and the connections, consult technical catalog 1SDC200023D0906 and the
wiring diagrams 1SDM000091r0001.

Electrical characteristics The Measurement modules function correctly in the electrical conditions described on page 17.
Installations with up to 1150 VAC line-to-line voltage can be connected and configured in the presence of
connections to external sockets and an isolation transformer.

Isolation transformer The isolation transformer must conform to standard IEC 60255-27 and possess the following characteristics:
Characteristics Description
• Accuracy class: ≤ 0,2
• Performance: ≥ 10 VA
• Overload: 20 % permanent
• Insulations: 4 kV between inputs and outputs, 4 kV between shield and
Electrical
outputs, 4 kV between shield and inputs
• Frequency: Fn +-10%
• Primary voltage: 100 to 1150 V (nominal, to be configured via menu)
• Secondary voltage: 100 to 230 V (nominal, to be configured via menu)

184 | © 2020 ABB | 1SDH001330R1002 - ECN000134959 - Rev. A Internal electronic accessories | 2 - Measurement