IEEE PC37.21/D4, October 2016
IEEE Standard for Control Switchboards

Standard No.
IEEE PC37.21/D4, October 2016
Release Date
2017
Published By
Institute of Electrical and Electronics Engineers (IEEE)
Scope
Ratings, construction, and testing of dead-front control switchboards containing, but not limited to, devices such as switches, control devices, instrumentation, metering, monitoring, alarms, annunciators, protective and auxiliary relays, and regulating devices and accessories are covered in this standard. It includes, but is not specifically limited to, switchboards for the control and protection...



Copyright ©2024 All Rights Reserved