METREL EasiPLUS MI 3000 - Contact Voltage; Trip-Out Current; Trip-Out Time

MI 3000 EasiPLUS Maintenance
53
7.3.2 Contact voltage
Measuring range according to EN61557-6 is 3.0 V  49.0 V for limit contact voltage 25
V.
Measuring range according to EN61557-6 is 3.0 V  99.0 V for limit contact voltage 50
V.
Measuring range (V) Resolution (V) Accuracy
0.0  9.9
0.1
(-0 % / +10 %) of reading + 2
digits
10.0  99.9
0.1 (-0 % / +10 %) of reading
Accuracy applies for 1 year in reference conditions. Temperature coeficient ouside
these limits is +1 digit.
Test current ...................................... max. 0.5I
N
Limit contact voltage ......................... 25 V, 50 V
Fault loop resistance at contact voltage is calculated as
N
C
L
I
U
R

 .
7.3.3 Trip-out time
Complete measurement range corresponds to EN61557-6 requirements. Specified
accuracies are valid for complete operating range.
General (non-delayed) RCDs
Measuring range (ms) Resolution (ms) Accuracy
0  300 (½I
N
, I
N
)
1
0  150 (2I
N
)
1
0  40 (5I
N
)
1
3 ms
Selective (time-delayed) RCDs
Measuring range (ms) Resolution (ms) Accuracy
0  500 (½I
N
, I
N
)
1
0  200 (2I
N
)
1
0  150 (5I
N
)
1
3 ms
Test current ...................................... ½
I
N
, I
N
, 2I
N
, 5I
N
Multiplier 5 is not available if I
N
=1000 mA (AC type RCDs) or I
N
 300 mA (A type
RCDs).
Multiplier 2 is not available if I
N
=1000 mA (A type RCDs).
7.3.4 Trip-out current
Trip-out current (I
N
=10 mA)
Measurement range corresponds to EN61557-6 requirements. Specified accuracies are
valid for complete operating range.
Measuring range I

Resolution I

Accuracy
0.2I
N
 1.1I
N
(AC type) 0.05I
N
0.1I
N
0.2I
N
 2.2I
N
(A type) 0.05I
N
0.1I
N