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The trip relay (defined with the acronym K94 in the ANSI standards) is a fast-acting relay designed to ensure a high switching speed together with a high breaking capacity in order to manage inductive and high direct current loads.

Main application:

This range of trip relays is commonly used in the switches control chains (both medium and high voltage) and more in general in all rapid fault extinction duty, where it is essential to place the system in safe conditions in the shortest possible time.

New range of K86 fast-acting lock-out relays, 4-8-12 contacts with high-burden and manual set/reset.

The lockout relay (code K86 in the ANSI standards) also identified therein as lock-out relay or master trip relay, assumes a very important function as it acts as an intermediate element between one or more protection relays and one or more control devices /check.

In this position, its job is both to multiply the number of elements actuated by any protection function, and to provide a "hold" function typical of bistable relays, which must be intentionally reset to allow the system to resume normal operation.

The concept of contact resistance may, on the surface, seems very simple, especially when it comes to the contact resistance of an electromechanical relays.

However, the contact resistance is the sum of multiple resistance values, each influenced by several very different physical variables.

RGK is a new series of relays with forcibly guided contacts with selectable time delay.

Suitable for use on rolling stock and for the most demanding applications.

Full compliance with EN 61810-3, type A relays.

AMRA’s range of forcibly guided contact relays is ever more extensive!

4 models available, from 2 to 8 contacts.
Full compliance with EN 61810-3, type “A” relays.
Suitable also for rolling stock use.

AMRA is proud for the trust of REE, RED ELECTRICA DE ESPANA!

It’s another demonstration of the quality of our products, already approved by the most important European operators for the use in the heavy or intensive duty such as HV electrical substations.