Kuhlman PSG–981 Current Transformer

Manufacturer: Kuhlman

The core and coil assembly is wound and encapsulated in a molded cast resin with various window sizes from 6” up to 44”.

The CT has an internally shielded winding for 10kA and above rated units to minimize the effects of stray fl ux from adjacent current carrying conductors. The secondary terminals are ¼”-20 studs with associated hardware located inside a removable terminal box with two (2) 1” NPT conduit hubs. The unit is moisture resistant and can withstand direct water spray equivalent to 1” of rain per hour for two hours and remain dielectrically sound.

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Features Applications Model

The PSG-981 can provide up to 0.3 Class (0.2S IEC) accuracy for metering with burdens of B0.1 to B1.8 (45VA IEC) and up to C800 (5P20-200VA IEC) for some relay applications (see ratings specifi c to each ratio). The transformer is accurate through its Rating Factor, and can be used continuously to this level.
The PSG is designed for mounting over a generator bushing.
Mounting holes are located in the four corners of the housing to application specifi c sizes. The unit can be mounted at any angle.

The PSG-981 indoor/outdoor, generator current transformer is a 600 volt, 10kV BIL rated unit and designed to fi t over a variety of specifi ed generator bushing sizes. The insulation of the bushing provides the dielectric protection for the CT. Primary current ratios are available up to 50,000:5 (as well as up to 25,000:1) at 50 and/or 60 Hertz (Hz) with a typical Rating Factor of 1.0 @ 55°C. This unit is ideal for new installations or for quick replacement/retrofi t an older generators. This dry-type, solid-cast CT will operate with high accuracy for metering and/or relay applications.

Mfr. Part No.	Description
PSG–981	Indoor/Outdoor 600V, 10kV BIL, Single Ratios

Kuhlman PSG–981 Current Transformer

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