MFT-PRO
Quick reference guide
EN – 17
RCD – Molded type residual current protection test
Residual current protection type (RCD): AC ( ), A ( ), B( ) – General (G), Selective (S) and Delayed ( )
Voltage range Phase-Earth, Phase-Neutral: 100V 265V RCD type AC and A, 190V 265V RCD type B
Rated tripping currents (IN): 10mA, 30mA, 100mA, 300mA, 500mA, 650mA, 1000mA
Frequency: 50/60Hz 5%
Molded type residual current protection tripping current (
) – (for RCD General only)
RCD type
I
N Range I
N
[mA]
Resolution [mA] Accuracy
AC, A
I
N = 10mA
(0.3
1.1) I
N
0.1I
N
- 0%, +10%I
N
10mA IN 650mA
- 0%, +5%I
N
B
30mA IN 100mA
Duration of molded type RCD tripping time test – TT/TN systems
x 1/2 x 1 x 2 x 5 AUTO
\ G S
G S
G S
G S
G S
G S
10mA
AC 999 999 999 999 999 999 200 250 50 150
310
A 999 999 999 999 999 999 200 250 50 150
310
B
30mA
100mA
AC 999 999 999 999 999 999 200 250 50 150 310
A 999 999 999 999 999 999 200 250 50 150
310
B 999 999 999 999 999 999 310
300mA
AC 999 999 999 999 999 999 200 250 50 150
310
A 999 999 999 999 999 999 200 250 50 150
310
B 999 999 999 999 999 999
500mA
650mA
AC 999 999 999 999 999 999 200 250 50 150
310
A 999 999 999 999 999 999 200 250 310
B
1000mA
AC 999 999 999 999 999 999 200 250
A 999 999 999 999 999 999
B
Table with duration of tripping time measurement [ms] - Resolution: 1ms, Accuracy:(2.0rdg + 2dgt)
Duration of molded type RCD tripping time test – IT systems
x 1/2 x 1 x 2 x 5 AUTO
\ G S
G S
G S
G S
G S
G S
10mA
AC 999 999 999 999 999 999 200 250 50 150 310
A
B
30mA
100mA
300mA
AC 999 999 999 999 999 999 200 250 50 150
310
A
B
500mA
650mA
AC 999 999 999 999 999 999 200 250 50 150
310
A
B
1000mA
AC 999 999 999 999 999 999 200 250
A
B
Table with duration of tripping time measurement [ms] - Resolution: 1ms, Accuracy:(2.0rdg + 2dgt)