Instrument Transformers · Current Transformers (CT)
Through-busbar cast resin current transformer (LMZBJ9-10 / LMZB3-10) with large window opening for copper and aluminum busbars in medium-voltage switchgear assemblies. Features zero primary copper loss, compact depth, and easy retrofitting into existing switchgear cubicles.
| Rated Voltage | 10 kV (Max. 12 kV) |
|---|---|
| Primary Current | 300 ~ 4000 A |
| Secondary Current | 5 A / 1 A |
| Window Opening Size | Fits standard 100x10 / 120x10 mm busbars |
| Accuracy Class | 0.2S / 0.5 / 10P |
| Rated Burden | 15 ~ 30 VA |
| Insulation Level | 12 / 42 / 75 kV |
Status
Published
Product ID
MV_BUSBAR_CURRENT_TRANSFORMER_LMZBJ9_10
Last Updated
2026-09-10T01:57:54.441018
Certified to IEC 61869-2 and GB/T 20840.2. Flame retardant Class V0 epoxy cast.
Reinforced corrugated carton with foam mold cushioning.
Provide your busbar dimensions (width x thickness x number of bars) to select the optimal window size.
Ready to Proceed?
Share your project scope and we'll respond within 24 hours.