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4.7 Protective Device
Devices Specifications
Dedicated upstream
protection device(s)
Options:
RCD (Type A minimum) + MCB
RCBO (Type A minimum)
Upstream overcurrent
protection breaker,
such as RCBO or MCB
(The breaker serves as
the main disconnect
switch to the charging
station.)
Breaker rating:
40 A for a 32 A rated charging
station
20 A for a 16 A rated charging
station
Tripping characteristics: type C
Upstream residual-
current device (RCD)
Minimum Type A, with a rated
residual operation current of
maximum 30 mA
(Internal to charging station is DC
fault current monitoring > 6 mA.)
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