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Rollarc R400-R400D contactor

Rollarc R400-R400D contactor

The Rollarc range is part of a comprehensive offer of products that are perfectly coordinated to meet all medium and low voltage electrical distribution requirements. All of these products have been designed to work together: electrical, mechanical and communication compatibility.

The electrical installation is thus both optimised and has improved performance: better service continuity, increased personnel and equipment safety, guaranteed upgradeability, effiicient monitoring and control.

Description:

The Rollarc three-pole indoor contactor uses sulphur hexafluoride (SF6) gas for insulation and circuit-breaking. Circuit-breaking is based on the rotating arc principle. The basic version is made up of three pole units installed in the same insulating enclosure. The part of the enclosure containing the active parts of the poles is filled with SF6 gas at a gauge pressure of 2.5 bars.

There are two types of Rollarc contactors:

l         The R400, with magnetic holding

l         The R400D, with mechanical latching.

Main advantages:

l         A modern and tested circuit-breaking technique featuring SF6 safety

l         No maintenance for active parts

l         High mechanical and electrical endurance

l         Low switching surges without additional devices (surge arrester)

l         Insensitivity to the environment

l         Gas pressure may be continuously monitored.

Basic version

Basic version


Contactor alone, without the cradle
Fixed version

Fixed version


The contactor with the control auxiliaries is mounted on a fixed cradle.
Withdrawable version

Withdrawable version


The contactor with the control auxiliaries is mounted on a withdrawable cradle.

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