Sonel WMGBMPI525 User Manual page 58

Measurement of parameters of RCD

Nominal working voltage U

Working range of voltage: 95...270 V

Nominal network frequency f

Working range of frequency: 45...65 Hz
RCD trigger and trip time test t
Test range according to IEC 61557: 0 ms ... to the upper limit of displayed value
Type of RCD
Standard and
short-time delay
Selective
1)
for I = 10 mA and 0,5 I
n

Accuracy of residual current setting:
for 1*I , 2*I and 5*I
n n
.................................................................................... –8..0%
for 0,5*I
n
Effective value of sink current at measurement of RCD trip time
I
n
10
30
100
300
500
1000
I
n
10
30
100
300
500
1000
* - does not apply to U
56
: 110 V, 115 V, 127 V, 220 V, 230 V, 240 V
n
: 50 Hz, 60 Hz
n
(for t mode).
A A
Multiplication
Test range
factor setting
0.5 I
n
1 I
n
2 I
n
5 I
n
0.5 I
n
1 I
n
2 I
n
5 I
n
accuracy is ± 2% m.v. ±3 digits
n
..................................................................... 0..8%
n
Multiplication factor setting
0.5
5 3.5
15 10.5 10.5
50 35
150 105 105
250 175 175

500
Multiplication factor setting
2
20 40
60 84
200 280 280
600 840 840

1000
 
= 110 V, 115 V and 127 V
n
MPI-525 – USER MANUAL
Resolution
0..300 ms
0..150 ms
0..40 ms
0..500 ms
0..200 ms
0..150 ms
3.5 5 10
15 30
35 50 100
150 300

500
 
1000
40 40 50
84 120 150
400 500
 
  
  
Accuracy
± 2% m.v. ±2 digits
1 ms
1
20 20
42 42
140 140
420 420
700 700
 
5
100 100
210 210
700 700
 
 
 
1)
20
60
200
600
1000*

100
300
1000*


