Shopping Cart

No products in the cart.

BS 142-4-4.1:1984

$142.49

Electrical protection relays. Requirements for multi-input energizing quantity relays – Specification for biased (percentage) differential relays

Published By Publication Date Number of Pages
BSI 1984 12
Guaranteed Safe Checkout
Categories: ,

If you have any questions, feel free to reach out to our online customer service team by clicking on the bottom right corner. We’re here to assist you 24/7.
Email:[email protected]

Specifies the performance requirements for the relays and the parameters whose values are to be declared by the manufacturer. Recommends methods of presenting the characteristics and performance of these relays. Applies to relays designed to detect faults, particularly in a.c. generators, motors and transformers. Does not apply to relays designed for busbar protection or to current differential relays.

BS 142-4-4.1:1984
$142.49