FORD EC2-1

Description / Abstract: FORD EC2-1, 1992 Edition, December 1992 - NEMA SOLID STATE TIME DELAY RELAYS

1. SCOPE

1.This Standard outlines the requirements for time delay relays which are used in On Delay and Off Delay applications. Approved sources shall supply time delay relays to accomplish the following: a) ON Delay b) OFF Delay C) ON Delay with Instantaneous Contacts d) OFF Delay with Instantaneous Contacts Time delay relays should be available either in models which are convertible from ON to OFF delay and vice versa, or in the four models listed above. If convertible the means of conversion should not be readily accessible.