General performance requirements for electrical protection measuring relays and the parameters whose values are to be declared by the manufacturer of such relays.
BS 142-2-2.2:1990
Original price was: $264.16.$132.00Current price is: $132.00.
Electrical protection relays. Requirements for the principal families of protection relays-Specification for general requirements for measuring relays used for protection
BSI Group , 11/30/1990
Pages: 22

