Alpha ESS SMILE-B3-PLUS Installation Manual page 37

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7.4.3
Residual Current Protection
The inverter is not equipped with an all-pole sensitive residual current monitoring unit
(RCMU) which fulfills the requirement of DIN VDE0100-712(IEC60364-7-712:2002).
An external residual current device (RCD) is required to be installed as an additional
safety measure in a TT or TN-S system. The residual current device which trips at a
residual current of 30 mA (Type A).
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Alpha ESS Co., Ltd.
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