International
Electrotechnical
Commission
International Standards and Conformity Assessment
for all electrical, electronic and related technologies
SC 37B |
Specific components for surge arresters and surge protective devices |
SC 37B Scope
SC 37B
To prepare international standards for components used in SPDs. These SPDs are used in power, telecommunication and/or signalling networks with voltages up to 1000 V a.c. and 1500 V d.c.