ABB SACE Emax 2 Series - Operation Counters; Summary Table of Base Measurements

ABB | SACE Emax 2
Ekip Touch protection release | 14 - Touch measurements
129 | © 2013 ABB | 1SDH001000R0002 - L7804
Operation counters
Path
Main page - Menus - About - Circuit-breaker
Description
In the presence of auxiliary power, the release records a series information relating to openings
of the circuit-breaker:
• The number of manual openings.
• The total number of operations (manual + trips).
By activating communication with the release, the following counters are also available:
• The number of openings due to tripping of protections.
• The number of openings due tripping of failed protections.
• The number of opening tests performed.
NOTE: the counters are updated only when the release is energized with auxiliary
voltage.
Summary table of base
measurements
The following table summarises the base measurements:
Quantities measured
Measurement
interval
Normal
operating
interval
Accuracy
Phase currents (I1, I2, I3, Ine) 03…16 In 0.2…1.2 In 1 %
Earth fault current (Ig) 08…4 In 0.2…1.2 In 2 %
NOTE: the precisions refer to the normal operational intervals