Printed version of this standard is available at Library. To request, please e-mail to referencepk@usm.my and include a copy of this record in your e-mail.
This part of International Standard IEC 99 applies to surge protective devices designed for repeated operation to limit voltage surge on a.c. power circuits and to interrupt power-follow current. In particular, it applies to surge arresters consisting of single or multiple spart gaps in series with one or more non-linear resistors.