Standard
UPDATE AVAILABLE
AS 1023.2-1989
[Superseded]Low voltage switchgear and controlgear — Protection of electric motors, Part 2: Current sensing protection devices for a.c. motors
Specifies requirements for five types of device or relay to protect a.c. electric motors from overtemperature damage caused by overload, phase failure or stalled drive, by sensing the magnitude, duration and, depending on the type, other properties of motor currents.
Published: 01/01/1989
Pages: 40
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