36
Effective value of forced leakage current at measurement of RCD disconnection time
I
n
Multiplication factor setting
0.5
1
10
5
3.5
3.5
5
10
20
20
20
30
15
10.5
10.5
15
30
42
42
60
100
50
35
35
50
100
140
140
200
300
150
105
105
150
300
420
420
600
500
250
175
175
250
500
I
n
Multiplication factor setting
2
5
10
20
40
40
40
50
100
100
100
30
60
84
84
120
150
210
210
300
100
200
280
280
400
500
300
600
500
Measurement of resistance-to-earth R
E
Selected
nominal
current
of switch
Test
range
Resolution
Test
current
Basic uncertainty
10 mA
0.01k
..5.00 k
0.01 k
4 mA
0..+10%m.v. ±8 digits
30 mA
0.01k
..1.66k
12 mA
0..+10%m.v. ±5
digits
100 mA
1
..500
1
40 mA
0..+5%m.v. ±5 digits
300 mA
1
..166
120 mA
500 mA
1
..100
200 mA
Measurement of contact voltage U
B
in relation to nominal differential current
Test range according to IEC 61557: 10.0 ... 99.9 V
Test
range
Resolution
Test
current
Basic uncertainty
0..9.9V
0.1 V
0.4 x I
n
0..10% m.v. ± 5
digits
10.0..99.9 V
0..15% m.v.
Measurement of RCD disconnection current I
A
for sinusoidal differential current
Test range according to IEC 61557: (0.3...1.0)I
Δn
Selected
nominal current
of
of RCD
Test
range
Resolution
Test current
Measurement
uncertainty
(basic)
10 mA
3.3..10.0 mA
0.1 mA
0.3 x I
n
..1.0 x I
n
5 % I
n
30 mA
9.0 .. 30.0 mA
100 mA
33..100 mA
1 mA
300 mA
90..300 mA
500 mA
150..500 mA
