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Lrbt-126/145/252/363/420/550 Series Cast-in Current Transformer

  • LRBT-126/145/252/363/420/550

1. Product Description

This series of current transformers are mainly for GIS fully enclosed combination of electrical appliances, the secondary coil, and aluminum alloy shielding cylinder through the resin casting molding, the structure is solid and reliable and is divided into external cast CT and built-in cast CT. shell assembly by the GIS manufacturers to complete.

2. Main features

• Resin adopts imported resin, excellent heat resistance, up to 130 ℃, excellent insulation, and electrical performance.

• Secondary insulation medium: PET polyester film.

• Stable structure, no risk of coil loosening.

• Installation mode: vertical installation or horizontal installation.

3. Main Technical Parameters

Voltage level (kV)126/145/252/363/420/550
Rated frequency (Hz)50 or 60.
Accuracy level (combination on demand)0.1,0.2,0.5,1,3,0.2S,0.5S,5P,10P,5PR,10PR, PX, PXR, X, PS, TPY, TPS, TPX, TPZ
Rated primary current (A)75~8000
Rated secondary current (A)1,2,5
Rated load (VA)1~200
Secondary winding frequency withstand voltage (kV)3
Secondary winding turn-to-turn withstand voltage (kV)4.5

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