Time relays for industrial and residential use – Part 1: Requirements and tests

Published by	Publication Date	Number of Pages
IEC	05/25/2011	89

Category: IEC

Description

IEC 61812-1 Ed. 2.0 b – Time relays for industrial and residential use – Part 1: Requirements and tests

IEC 61812-1:2011 applies to time relays for industrial applications (e.g. control, automation, signal and industrial equipment). It also applies to time relays for automatic electrical controls for use in, on, or in association with equipment for residential and similar use. This edition includes the following significant technical changes with respect to the previous edition:
– addition of terms and definitions more commonly used by industry;
– addition of timing charts to help explain terms and definitions involving a sequence of events;
– addition of provisions for residential use.