Instrument Transformers · Current Transformers (CT)

40.5kV Substation Post Current Transformer (LDBJ9-40.5 / LCZ-35)

XinHuan post-type current transformer (LDBJ9-40.5 / LCZ-35) designed for and utility transmission substations and industrial main receiving stations. Provides exceptional dynamic and thermal stability with up to 4 secondary cores for differential, distance, and metering schemes.

Technical Specifications

Rated Voltage 40.5 kV
Primary Current 100 ~ 3000 A
Secondary Current 5 A / 1 A
Number of Secondary Cores Up to 4 Cores (Metering + Protection)
Accuracy Class 0.2S, 0.5, 5P20, 10P20
Power Frequency Withstand 95 kV / 1 min
Lightning Impulse Withstand 200 kV peak

Product Information

Status

Published

Product ID

40_5KV_SUBSTATION_CURRENT_TRANSFORMER_LDBJ9_40_5

Last Updated

2026-09-10T01:57:54.441018

Frequently Asked Questions

Submit your substation single line diagram (SLD) or CT secondary winding schedule for custom quotation.

Conforms to IEC 61869-2, IEC 60076, and BS EN 61869. Factory routine test report includes insulation resistance, turns ratio, excitation curve, and polarity checks.

Export grade treated wooden cases with damp-proof vacuum bagging.

Related Markets & Resources

Standards & Compliance

Conforms to IEC 61869-2, IEC 60076, and BS EN 61869. Factory routine test report includes insulation resistance, turns ratio, excitation curve, and polarity checks.

Packaging, Delivery & Service

Export grade treated wooden cases with damp-proof vacuum bagging.

Submit your substation single line diagram (SLD) or CT secondary winding schedule for custom quotation.

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