Kewtech KT64, Инструкция по эксплуатации

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Tripping time t
Δ
is the time needed by the RCD to trip at a rated residual
operating current of I
Δ
n. The standard values of tripping time are defined
by IEC 61009 (EN 61009 ) and IEC 61008 (EN 61008 ) and are listed in the
table below for I
Δ
n and 5 I
Δ
n.
Type of RCD I
Δ
n 5 I
Δ
n
General(G) 300 ms
max allowed value
40 ms
max allowed value
Selective(S) 500 ms
max allowed value
150 ms
max allowed value
130 ms
min allowed value
50 ms
min allowed value
Typical examples of instrument connection
Practical example of
3 -phase + neutral RCD test in a TT system.
Practical example of single phase RCD test in a TN system.
Fig. 31
Fig. 32
RCD