T.I.S. INSTRUMENTS MFT-PRO Quick Reference Manual page 20

Test on earth leakage relay RCD (with accessory RCDX10)
Residual current protection type (RCD):
Voltage range Phase-Earth, Phase-Neutral:
Rated tripping currents (IN):
Frequency:
Earth leakage relay RCD tripping current ( ) – (for RCD General only)
RCD type
300mA IN 10A
AC, A, B
Duration of earth leakage replay RCD tripping time test – TT/TN systems
x 1/2
\ G
AC 999 999 999 999 999 999 200 250
0.3A

A 999 999 999 999 999 999 200 250
1.0A
B 999 999 999 999 999 999
1.1A AC 999 999 999 999 999 999 200 250

A 999 999 999 999 999 999 200 250
3.0A
B 999 999 999 999 999 999
3.1A AC 999 999 999 999 999 999 200 250

A 999 999 999 999 999 999 200 250
6.5A B 999 999 999 999 999 999
AC 999 999 999 999 999 999 200 250
6.6A

A 999 999 999 999 999 999
10.0A
B
Table with duration of tripping time measurement [ms] - Resolution: 1ms, Accuracy:
Duration of earth leakage replay RCD tripping time test – IT systems
x 1/2
\ G
AC 999 999 999 999 999 999 200 250
0.3A

A
3.0A
B
AC 999 999 999 999 999 999 200 250
3.1A

A
6.5A
B
6.6A AC 999 999 999 999 999 999 200 250

A
10.0A
B
Table with duration of tripping time measurement [ms] - Resolution: 1ms, Accuracy:
NoTrip – Global earth resistance with no residual current protection tripping
Voltage range Phase-Earth, Phase-Neutral:
Frequency:
Global earth resistance in systems with Neutral
Range []
0.01  9.99
10.0  199.9
200  1999
Maximum current:
Ut LIM (UL):
Global earth resistance in systems without Neutral
Range []
1  1999
Maximum current:
Ut LIM (UL):

I N Range I
(0.3  1.1) I
x 1
S G S
x 1
S G S
Resolution []
Resolution []
AC ( ), A ( ), B( ) – General (G), Selective (S) and Delayed ( )
100V 265V RCD type AC and A, 190V 265V RCD type B
0.3A  10A
50/60Hz  5%

Resolution [mA]
[mA]
N
N
x 2
G S G
50 150
50 150
50 150
50 150
50 150
50 150
x 2
G S G
50 150
50 150
100V  265V
50/60Hz  5%
0.01
0.1
1
<15mA
25V or 50V
1
< ½ I set
N
25V or 50V
EN – 18
Quick reference guide
 0.1I
- 0%, +5%I
N
x 5 AUTO
S G S
 
 
 
 
 
 
 
(2.0 rdg + 2dgt)
x 5 AUTO
S G S
 
 
 
(2.0 rdg + 2dgt)
Accuracy
-(5rdg + 0.1)
-(5rdg + 1)
-(5rdg + 3)
Accuracy
-(5rdg + 3)
MFT-PRO
Accuracy
N
G S
310
310
310
310
310
310
310
G S
310
310