MI 3321 MultiservicerXA
Technical specifications
26
Maximum test current (at 230 V):.... 154 A (10 ms)
Calculation of prospective short-circuit current (standard voltage value):
U
L-PE
= 230 V
10 %
Calculation of prospective short-circuit current (non-standard voltage value):
U
N(L-PE)
= 230 V
10 %
230 V < U
N
< 400 V
C
MAX
1.05
1.10
C
MIN
0.95
1.00
Test terminals:
Z m
L-Pe
A1143: P1, P2, C1, C2
3.14.4 Contact voltage
Measuring range (V)
Resolution (V)
Accuracy
0
… 100
1
(10 % + 3 digits)
Test terminals:
High precision impedance
+ contact voltage
A1143: P1, P2, C1, C2, S
3.15 Line impedance
Line impedance
Measuring range according to EN 61557-3 is 0.25
… 9.99 k
.
Measuring range (
)
Resolution (
)
Accuracy
0.00
… 9.99
0.01
(5 % of r 5 digits)
10.0
… 99.9
0.1
100
… 1999
1
10 % of reading
Prospective short-circuit current
(calculated value)
Measuring range (A)
Resolution (A)
Accuracy
0.00
… 0.99
0.01
Consider accuracy of line
resistance measurement
1.0
… 99.9
0.1
100
… 999
1
1.00k
… 99.99k
10
100k
… 199k
1000
Z
V
230
=
I
K
PE
-
L
PE)
-
L
(
N
MAX
PE)
-
(L
KMAX
Z
U
×
C
=
I
HOT
PE)
-
(L
PE)
-
L
(
N
MIN
PE)
-
(L
KMIN
Z
U
×
C
=
I
2
PE
-
L
2
PE
-
L
PE
-
L
X
+
R
=
Z
(
)
2
PE
-
L
2
PE
-
L
HOT
PE)
-
(L
X
+
R
×
5
.
1
=
Z
