IEC 62282-3-100:2019 is available as IEC 62282-3-100:2019 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 62282-3-100:2019 applies to stationary packaged, self-contained fuel cell power systems or fuel cell power systems comprised of factory matched packages of integrated systems which generate electricity through electrochemical reactions. This document is applicable to stationary fuel cell power systems intended for indoor and outdoor commercial, industrial and residential use in non-hazardous areas. This second edition cancels and replaces the first edition published in 2012. This edition includes the following significant technical changes with respect to the previous edition: a) recognition that fuel carrying components qualified to leakage standards (soundness) need not be considered as potential flammable leak sources; b) new annex for small power systems; and c) clarifications for numerous requirements and tests