IEC 60255-12:1980
Electrical relays. Part 12 : Directional relays and power relays with two input energizing quantities

Standard No.

IEC 60255-12:1980

Release Date

1980

Published By

International Electrotechnical Commission (IEC)

Latest

IEC 60255-12:1980

Scope

Specifies the performance requirements of directional relays and power relays with two input energizing quantities as well as methods of presenting the characteristics and performance of these relays. Excludes impedance relays and deals specifically with

IEC 60255-12:1980 history

• 1980 IEC 60255-12:1980 Electrical relays. Part 12 : Directional relays and power relays with two input energizing quantities