Testboy TV 455 - Page 78

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TV 450/455 Appendix C
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contact voltage pre-test in the measuring procedure also influences the RCD and it
takes a period to recover into idle state. Time delay of 30 s is inserted before performing
trip-out test to recover
S
type RCD after pretests and time delay of 5 s is inserted for
the same purpose for
G
type RCD.
Modification of the chapter 5.4.1
RCD type
Contact voltage Uc
proportional to
Rated I
ΔN
AC
,
G
1.05×I
ΔN
AC
S
2×1.05×I
ΔN
any
A
,
G
1.4×1.05×I
ΔN
A
S
2×1.4×1.05×I
ΔN
≥ 30 mA
A
,
G
2×1.05×I
ΔN
A
S
2×2×1.05×I
ΔN
< 30 mA
B
2×1.05×I
ΔN
B
S
2×2×1.05×I
ΔN
any
Table C.1: Relationship between Uc and I
Δ N
Technical specifications remain the same.