HT COMBI521, User Manual

Page: 117 / 144

COMBI521
EN - 117
Test on RCD protection (molded-case type)
Differential protection type (RCD): AC ( ), A ( ),General (G), Selective (S) and B( )
Voltage range P-PE, P-N: 100V

265V RCD type A, A and B (I

N ≤ 100mA)
190V

265V RCD type B (I

N = 300mA)
Voltage range N-PE : <10V
Rated tripping currents (I

N): 6mA,10mA, 30mA, 100mA, 300mA, 500mA, 650mA, 1000mA
Frequency: 50/60Hz

5%
Molded-case RCD tripping current - (for General RCDs only)
RCD type I

N Range I

N
[mA] Resolution [mA] Accuracy
AC, A, B 6mA,10mA
(0.2

1.1) I

N

0.1I

N
- 0%, +10%I

N
AC, A, B 30mA

I

N

300mA
- 0%, +5%I

N
AC, A
500mA

I

N

650mA
Measurement duration of molded-case RCD tripping time – TT/TN systems
x 1/2 x 1 x 5 AUTO
AUTO+
\ G S G S G S G S G S G S
6mA
AC 999 999 999 999 50 150   310 
A 999 999 999 999 50 150   310 
B 999 999 999 999 310
10mA
AC 999 999 999 999 50 150   310 
A 999 999 999 999 50 150   310 
B 999 999 999 999 310
30mA
AC 999 999 999 999 50 150   310

A 999 999 999 999 50 150   310

B 999 999 999 999 310
100mA
AC 999 999 999 999 50 150  
310
A 999 999 999 999 50 150  
310
B 999 999 999 999 310
300mA
AC 999 999 999 999 50 150   310
A 999 999 999 999 50 150   310
B 999 999 999 999 310
500mA
650mA
AC 999 999 999 999 50 150   310
A 999 999 999 999 310
B
1000mA
AC 999 999 999
A 999 999 999
B
Table with duration of tripping time measurement [ms] - Resolution: 1ms, Accuracy:

(2.0

r 2digits)
Measurement duration of molded-case RCD tripping time – IT systems
x 1/2 x 1 x 5 AUTO
AUTO+
\ G S G S G S G S G S G S
6mA
10mA
30mA
AC 999 999 999 999 50 150   310 
A 999 999 999 999 50 150   310 
B 999 999 999 999 310
100mA
300mA
AC 999 999 999 999 50 150   310
A 999 999 999 999 50 150   310
B 999 999 999 999 310
500mA
650mA
AC 999 999 999 999 50 150  310
A 999 999 999 999  310
B
1000mA
AC 999 999 999 999
A 999 999 999 999
B
Table with duration of tripping time measurement [ms] - Resolution: 1ms, Accuracy:

(2.0

r 2digits)