IEEE C37.2 1991

$37.92

IEEE Standard Electrical Power System Device Function Numbers

Published By	Publication Date	Number of Pages
IEEE	1991	22

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Description

Revision Standard – Inactive – Superseded. Superseded. The definition and application of function numbers for devices used in electrical substations and generating plants and in installations of power utilization and conversion apparatus are covered. The purpose of the numbers is discussed, and 94 numbers are assigned. The use of prefixes and suffixes to provide a more specific definition of the function is considered. Device contact designation is also covered.

PDF Catalog

PDF Pages	PDF Title
7	Scope and References 1.1 Scope 1.2 References Purpose of Device Function Numbers Standard Device Function Numbers Standard Device Function Numbers
13	Prefixes and Suffixes Defining Letter Suffixes
14	Suggested Prefixes Suggested Suffix Letters 3.4.1 Auxiliary Devices 3.4.2 Actuating Quantities 3.4.3 Main Device
15	Main Device Parts Other Suffix Letters 3.4.6 Use of Suffix Letters Suffix Numbers Devices Performing More Than One Function
16	Device Contacts Auxiliary Position and Limit Switch Contacts Auxiliary Switches With Defined Operating Position Standard Reference Positions of Devices
17	Auxiliary Switches for Devices Without a Standard Reference Position Valve
18	Auxiliary Switches for Circuit Breaker Operating Mechanisms Limit Switches Fuel Transfer Device
19	Torque Limit Switches Other Switches Representation of Device Contacts on Electrical Diagrams Contacts With Defined Reference Position Contact Opening and Closing Settings Devices Without a Standard Reference Position
20	Typical Elementary Diagram
21	Typical Elementary Diagram
22	Drawings