BS 142-2-2.3:1991
$142.49
Electrical protection relays. Requirements for the principal families of protection relays – Specification for thermal electrical relays
Published By | Publication Date | Number of Pages |
BSI | 1991 | 24 |
Particular requirements for dependent specified time electrical measuring relays of both the total and partial memory function type. Also provides requirements for thermal electrical relays for motor protection.