Alternator instrument transformers

Moulded case current transformers for the measurement of AC currents up to 150 A.

They are made of a non-flammable plastic material, and have heavy insulation. These current transformers are suitable for any application.

With their compact size and their high characteristics, they are particularly suitable for withdrawable switchboards.

Moulded case current transformers for the measurement of AC currents up to 3000A, with inner diameters from 25mm up to 60mm.

They are made of a non-flamable plastic material and have heavy insulation. They are equipped as standard with EA mounting brackets.

This range has been designed to meet the demanding requirements of protection relays.

Current transformers moulded in self-extinguishing resin for the measurement of AC currents from 150 to 15 000A.

This range has high performance characteristics, and demonstrates an excellent resistance to shocks, vibrations, salt and moisture.

It is approved by the french Navy.

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.

These ring type current transformers are available for indoor (ORX) or outdoor use (OREX). They have been designed to meet the requirements for measuring:
- line currents
- zero-sequence currents in the neutral of power transformers
- earth fault currents in power transformers.

The secondary terminals are accessible, either directly in the case of indoor equipment (ORX), or through a watertight terminal box in the case of outdoor application (OREX). Several types of terminal boxes are available depending on the required characteristics.

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 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.

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 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.

This CT range is in cast resin, with excellent withstand to severe environment in terms of temperature, vibrations, salt, moisture and contaminants.

Secondary terminal connections are flying leads, to avoid any potential risk of loosening connections, or vibration resonance that may break terminals. TR33xy and TR66xy are designed to adapt to various busbar sizes, and accommodate large cores and windings to match demanding requirements in protection and accuracy classes. Fixing is performed tightening 2 horse shoe-shape clips on amagnetic support plate, enabling very strong hold on busbar.

Moulded case current transformers for the measurement of AC currents up to 3000A, with inner diameters from 15 to 80 mm.

They are made of a non-flamable material and have heavy insulation. They are equipped as standard with EA type mounting brackets.

Moulded case current transformers for the measurement of AC currents from 100A to 8000A.

They are made of a non-flamable plastic material and have heavy insulation. This comprehensive and compact range fits most busbars, from 30 to 160mm.

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

With inner diameters from 200 to 400 mm, these transformers are often used on power transformers bushings or on generator bus bars. Two versions, indoor or outdoor, are available. The outdoor version is equipped with a weatherproof terminal box fitted with two cable glands.

Split-core current transformers moulded in self-extinguishing resin.

This range has been designed to offer an excellent accuracy whatever the location of the primary conductor within the transformer window.

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 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 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.

Single or three phase assembly made of respectively 1 voltage transformer and 1 current transformer, or 3 voltage transformers and 3 current transformers, for outdoor use.

For measuring AC voltages between phases or phase to earth, and for AC currents from 0 to 2500 A, up to 36 000/√3 V. Delivered mounted on a metallic base, they are equipped with a secondary wiring for direct connexion to the switchboard terminal.

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