MV Switchgear instrument transformers

Current transformers moulded in self extinguishing resin for the measure of AC currents from 50 up to 5000A.

Two versions, indoor or outdoor, are available. The outdoor version is equipped with a weatherproof terminal box fitted with 2 cable glands.

Voltage transformers and potential transformers for the measurement of AC voltages up to 2 000 V.
Main features include:
• Indoor
• Primary voltage up to 2000V
• Measurement and protection
• Protected construction, with unbreakable bushing insulators

Current transformers vacuum moulded in self extinguishing epoxy resin for the measurement of AC up to 800A.

This range is particularly suitable when primary connection using bars is required.

Current transformers for the measurement of AC currents from 40 to 8 000A.

This low cost range couples a low voltage current transformer and an insulating epoxy tube.

Current transformers vacuum moulded in self extinguishing epoxy resin for the measurement of AC currents from 100 to 30 000A.

This range of transformers is suitable for power generation. They have been designed to be installed in bus ducts between generator and transformer. They enable very high performance to be achieved.

Current transformers vacuum moulded in self extinguishing epoxy resin for the measure of AC currents from 0 up to 2500A - 24kV.

This comprehensive and compact range of current transformers has been designed to meet the requirements of MV switchgear manufacturers. It allows double ratios up to 600-1200A, and offers up to 4 independent cores.

Outdoor current transformers vacuum moulded in self extinguishing epoxy resin for the measurement of AC currents up to 14 000A.

They are equipped with a weatherproof terminal box fitted with 2 cable glands.

One pole voltage transformer vacuum moulded in self extinguishing epoxy resin for the measurement of AC voltages between phase and earth up to 24kV.

This voltage transformer is equipped with a K180 AR1 plug. The user connects an insulated cable equipped with a K158 LR mobile female plug. Plug-in and plug-out have to be done with no voltage present. An outdoor version is also available, with secondary terminals protected by a weatherproof cover.

Single phase 1-pole voltage transformers made of self extinguishing epoxy resin for the measure of AC voltages between phase and earth up to 36 000/√3 V.

An optional anti-explosion system prevents any resin or hot gas projection in the event of external failure (line overvoltage, ferro resonnance, mechanical shock, etc.)

Double pole voltage transformer vacuum moulded in self extinguishing epoxy resin for the measure of AC voltages between phases up to 36 000 V, with rated outputs up to 200 VA cl0,2 or 300 VA cl0,5.

This range is also suitable for the power supply of auxiliaries up to 5 000VA clA.

Single or double pole voltage transformer vacuum moulded in self extinguishing epoxy resin for the measure of AC voltages between phases or between phase and earth up to 36 000 V.

These compact size transformers are equiped with one or two a 6.3 A rating fuse.

This range is also suitable for the power supply of auxiliaries up to 2 500VA clA.

Assembly sets to mount fuses on top of voltage instrument transformers, single or double insulated pole. These sets are vaccum casted according to the same process as for voltage transformers.

Material is brown epoxy resin demonstrating excellent mechanical characteristics, and featuring good standing to corosive environments and fire.

These fuse holders have been designed to carry two HBC types of fuses.

Type A fuse for 0.5A intensity with up to 25.5kV insulation level.

Type B fuse for 2.5A intensity with up to 36kV insulation level.

Voltage transformers vacuum moulded in self extinguishing epoxy resin.

This compact range is suitable for the power supply of auxiliaries in generators.

This range of voltage dividers is for cheking the presence of voltage on the busbar. The neon lamp is not supplied with the voltage divider.

Bushing insulators, with or without conductor for various applications in power generation or distribution.

RS ISOLSEC design and manufactureall types of bushing insulators or insulating parts in epoxy resin.

Current transformers moulded in self extinguishing resin for the measurement of AC currents from 50 to 60 000A.

With inner diameters between 106 and 500 mm, these transformers are often used on bushings of power transformers or on generator bushing insulators. 

2 versions, indoor or outdoor, are available. The outdoor version is equipped with a weatherproof terminal box fitted with 2 cable glands.

Single or double pole outdoor voltage transformer vacuum moulded in self extinguishing epoxy resin for the measure of AC voltages between phases or between phase and earth up to 36 000 V.

Available with rated outputs up to 50 VA cl0,5 or 100 VA cl1. They are equipped with a weatherproof terminal box fitted with 2 cable glands.

This range is also suitable for the power supply of auxiliaries up to 2 500 VA clA.

Single phase 2-pole voltage transformers made of self extinguishing epoxy resin for the measure of AC voltages between phases up to 36 000 V.

This range is also suitable for the power supply of auxiliaries up to 5 000 VA clA.

An optional anti-explosion system prevents any resin or hot gas projection in the event of external failure (line overvoltage, ferro resonnance, mechanical shock, etc.)

Double pole voltage transformer vacuum moulded in self extinguishing epoxy resin for the measure of AC voltages between phases up to 36 000 V, with rated outputs up to 100 VA cl0,2 or 150 VA cl0,5.

This range is also suitable for the power supply of auxiliaries up to 2 500VA clA.

One pole voltage transformers vacuum moulded in self extinguishing epoxy resin for the measure of AC voltages between phase and earth up to 36.000/√3 V.

This transformer is equipped with a standard plug.

The transformer’s surface is coated with a metallic compound that ensures a safe repartition of the magnetic field and zero-potential surface.

An optional anti-explosion system prevents any resin or hot gas projection in the event of external failure (line overvoltage, ferro resonnance, mechanical shock, etc.)

A submersible version is also available.

English version coming soon!

Current transformers vacuum moulded in self extinguishing epoxy resin, for the measurement of AC currents up to 600A.

This range is also available with double-ratio up to 300-600A by primary change-over.

Current transformers vacuum moulded in self extinguishing epoxy resin for the measurement of AC currents from 50 to 12 000A.

This range is particularly suitable for the measurement of high currents.

Current transformers vacuum moulded in self extinguising epoxy resin for the measurement of AC currents up to 3000A.

This comprehensive and compact range of current transformers has been designed to meet the requirements of MV switchgear manufacturers. It offers a very low level of partial discharges. It allows double-ratio up to 600-1200A by primary coupling, as well as up to 5 independant secondary windings.

Current transformers vacuum moulded in self extinguishing epoxy resin for the measure of AC currents from 0 up to 2500A - 36kV.

This comprehensive and compact range of current transformers has been designed to meet the requirements of MV switchgear manufacturers. It allows double ratios up to 600-1200 A, and offers up to 4 independent cores.

Transformateurs en résine auto-extinguible pour la mesure de courants alternatifs de 0 à 2500A - 52kV.

Cette gamme étendue et compacte a été conçue pour répondre aux exigences des constructeurs de cellules préfabriquées MT. Elle permet des doubles rapports primaires jusqu’à 600-1200A, et peut offrir jusqu’à 4 enroulements secondaires séparés.

Single pole voltage transformer vacuum moulded in self extinguishing epoxy resin for the measurement of AC voltages between phase and earth up to 50 000/√3 V.

This range is also suitable for the power supply of auxiliaries up to 5 000VA.

Single pole voltage transformer assembly moulded in self extinguishing epoxy resin for the measurement of AC voltages between phase and earth up to 24000 :√3 V.

This assembly is composed of a withdrawable voltage transformer, a fuseholder container, and an interlocking device. It combines several functions: voltage transformer, protection by HBC fuse and isolating switch. It is fitted with devices preventing feedback through the low voltage circuit. 

This system is patented in France and in the rest of the world.

It is a compact, low-cost alternative for metaclad switchgear manufacturers.
A 3 phase version is also available, TT series, for voltages up to 12 kV.

One pole voltage transformers vacuum moulded in self extinguishing epoxy resin for the measure of AC voltages between phase and earth up to 36.000/√3 V.

This transformer is equipped with a standard plug rated 250 or 400A. The user connects an insulated cable equiped with a standard female plug. Plug-in and plug-out have to be done with no voltage present.

In addition to excellent mecanichal strength, these insulators have a high resistance to corrosive atmospheres and fire. They can be installed in any position.