ARTECHE

 

ANSWER FOR ANY TRIPPING APPLICATION

ARTECHE offers a wide range of relays specially designed to be used in circuit breaker tripping applications.

› Interface between protection and control equipments and HV and/or MV circuit breakers, eliminating risks in case of internal failure of the circuit breaker.

› Trip contacts multiplication, to operate directly on the circuit breaker and transmit the corresponding alarms in a minimum time.

› Trip and lock-out, with electric or hand reset to avoid accidental closing of circuit breakers associated to power transformers, generators or machines.

› The surveillance of the trip circuit, guarantees it is in perfect conditions to allow the trip when it is needed.

 

TECHNICAL STANDARDS

In addition to the specific applicable standards, ARTECHE auxiliary relays are designed based on the fulfilment of the following standards:

› IEC 61810: Electromechanical all-or-nothing relays.

› IEC 60255: Electrical relays. Measuring relays and protection equipment.

› IEC 61812: Specified time relays for industrial use.

› IEC 61812: Rel้s de tiempo especificado para aplicaciones industriales.

› IEC 60947: Low-voltage switchgear and controlgear.

› IEC 61000: Electromagnetic compatibility.

 

GENERAL CHARACTERISTICS

Some of the general characteristics of the ARTECHE trip relays are:

In addition, the different number of alternatives that are offered when the equipment is selected, both technically (increase of the breaking capacity by serial contacts or by the magnetic blow out, high speed operation of the output contacts, possibility of adding different options to the relay) and in the assembly method (front, rear or flush mounted sockets, with screws or fastons) must be considered.

› High isolation level between input and output circuit, which guarantees that a problem in the circuit breaker will not cause irreparable damages on the protection system.

› Fast operating times, down to 3 ms, minimizing the impact on the total trip time.

› High breaking capacity, which allows direct operation on highly inductive circuits.

› Sturdy design, which ensures high reliability.

› Wide range of auxiliary voltage (Vdc and Vac).

› Self-cleaning of the contacts.

› Security contacts according to EN 50205.

› Easy installation (plug-in relays with diff erent installation possibilities).

› Designed to work in permanent service, even at high temperature for the whole voltage range.

› Possibility to work in environments with relative humidity of 100%.

› Seismic characteristics, allowing their use in installations which can be subject to vibrations, as for example in power stations or in regions with high risk of seism.

› High protection degree (IP40), with transparent cover, making them appropriate for tropical and saline environments.

› Fulfi lment of the most demanding standards: IEC, EN, IEEE, CE and UL mark.

› No maintenance needed.

In addition, the different number of alternatives that are offered when the equipment is selected, both technically (increase of the breaking capacity by serial contacts or by the magnetic blow out, high speed operation of the output contacts, possibility of adding different options to the relay) and in the assembly method (front, rear or flush mounted sockets, with screws or fastons) must be considered.