Datasheet

10 Specifications are subject to change without notice EM24 DIN DS 260315
EM24 DIN
System variables
Equivalent three-phase voltage
Voltage asymmetry
Three-phase reactive power
Three-phase active power
Three-phase apparent power
Used calculation formulas
Phase variables
Instantaneous effective voltage
Instantaneous active power
Instantaneous power factor
Instantaneous effective current
Instantaneous apparent power
Instantaneous reactive power
Energy metering
Where:
i= considered phase (L1, L2 or L3)
P= active power; Q= reactive power;
t
1
, t
2
=starting and ending time points
of consumption recording; n= time
unit; Δt= time interval between two
successive power consumptions;
n
1
, n
2
= starting and ending discrete
time points of consumption recording
Three-phase power factor
(TPF)
å
-
=
LL
LLL L
LL
V
VV
ASY
)(
minm ax
å
-
=
LN
LNLN
LN
V
VV
ASY
)(
minmax
MID „Annex MI-003‰ compliance (PF option only)
Accuracy 0.9 Un ≤ U ≤ 1.1 Un;
0.98 fn ≤ f ≤ 1.02 fn;
fn: 50Hz;
cosφ: 0.5 inductive to 0.8
capacitive.
AV2-AV9 models Class B. I st: 0.04A; I min:
0.5A; I tr: 1A; I ref: 10A;
I max: 65A.
AV5 models Class B. I st: 0.01A; I min:
0.05A; I tr: 0.25A; I ref: 5A;
I max: 10A.
Operating temperature -25°C to +55°C (-13°F to
131°F) (R.H. from 0 to 90%
non-condensing @ 40°C)
EMC compliance E2
Mechanical compliance M2
Protection degree in order to achieve the
protection against dust and
water required by the
norms harmonized to MID,
the meter must be used
only installed in IP51 (or
better) cabinets.