ANSI C37.33 : 87 ADDENDA A 90
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
SWITCHGEAR HIGH-VOLTAGE AIR SWITCHES-RATED CONTROL VOLTAGES AND THEIR RANGES,
23-07-2013
12-01-2013
Specifies nominal voltage ratings and permissible ranges for power-operated mechanisms and auxiliary devices, when measured at terminals with maximum operating current flowing.
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.