Page 43 - Sace Emax 2 Manual Touch Protection breakers

ABB | SACE Emax 2
3 - Class 1 Power & Energy Metering

List and performance Presence of the Class 1 Power & Energy Metering package allows higher measuring accuracy to be obtained
for the following quantities:
Normal operating Accuracy of
Measurement Monitor time (min-max)
range read value
Standard IEC61557-12,
Phase currents (6) 0,004 ÷ 64 In 0,5 % (1)
tables 20-22
Internal earth fault 0,08 ÷ 64 In Standard IEC61557-12, 0,5 % (1)
current (2) table 20
Line frequency 30 ÷ 80 Hz (3) fn ± 10 % (4) ± 0,02 Hz
Total active and |Pmin ÷ Pmax| (5) Standard IEC61557-12, 1 % (1)
apparent power (7) tables 8-11-14
Active and apparent (5) Standard IEC61557-12, (1)
phase power |Pmin ÷ Pmax| tables 8-11-14 1 %
Total active and 1 kWh ÷ 2 TWh; 1 kVARh ÷ 2 Standard IEC61557-12, 1 % (1)
apparent energy TVARh; 1 kVAh ÷ 2 TVAh tables 8-11-14
Standard IEC61557-12,
Power factor 0,5 ÷ 1 1% (1)
table 27

(1) the accuracy values refer to the normal operating intervals and conditions established by IEC 61557-12, for
each quantity and class declared
(2) available with LSIG versions
(3) available for voltage values of over 30 V (with Un < 277 V) or 60 V (with Un ≥ 277 V)
(4) 47 ÷ 55 Hz with fn = 50 Hz; 54 ÷ 66 Hz with fn = 60 Hz
(5) Pmin = 0,5 In x 5 V; Pmax= 3 x 16 In x 900 V
(6) the higher phase currents are also available in the Histograms, Measuring instruments and Measurement
summary pages
(7) the higher total powers are also available in the Measuring instruments and Measurement summary pages

Functional characteristics The measuring performance of the Class 1 Power & Energy Metering package is guaranteed in the following
conditions (from table 43 of standard IEC61557-12):

Characteristic Value
Classification of performance measuring and
monitoring device (PMD) in accordance with PMD-DD
chapter 4.3 of the standard
Operating: T= -25°C to +70°C; Storage: T = -30°C to
Temperature
+70°C; Class: K70
Up to 90% relative humidity without condensation; From
humidity and altitude
0 to 2000 meters
Performance class for active energy and power 1

Information page Presence of the Class 1 Power & Energy Metering package activates the IEC61557 12 information page,
which can be consulted in the About menu

Figure 21

The page shows the activation state of the Class 1 Power & Energy Metering package (Activated/Deactivated)
and the serial numbers of certain accessories installed on the CB for the specific purpose of conforming to
the characteristics of the package (electronic units and internal current sensors)

41 | © 2019 ABB | 1SDH001316R1002 - ECN000086501 - Rev. A Measurements | 3 - Class 1 Power & Energy Metering