The LZZBJ6-10 is a cast-resin insulated, fully enclosed pillar-type indoor current transformer designed for 50Hz AC power systems with rated voltages up to 10kV. It integrates both metering and protection functions, providing accurate current measurement, energy metering, and reliable relay protection for medium voltage switchgear applications.
Robust Insulation
Epoxy resin cast construction ensures excellent electrical insulation and long-term reliability
Dual Function
Integrates both metering and protection in a single unit
| Model | LZZBJ6-10 | |
|---|---|---|
| Rated voltage | 10 kV |  |
| Maximum voltage | 12 kV | |
| Rated frequency | 50 Hz | |
| Rated primary current | 5～1500A | |
| Rated secondary current | 5A or 1A | |
| Power-frequency withstand voltage (primary to secondary and to earth) |
42 kV/1 min | |
| Lightning impulse withstand voltage | 75 kV | |
| Partial discharge | ≤20pC | |
Service Conditions
Installation: Indoor use only
Ambient temperature: -15°C to +40°C
Altitude: ≤ 1,000 m
Humidity: Average relative humidity ≤ 95% over 24 hours
Environment: Free from significant dust, corrosive gases, or severe vibration
Structural Overview
Fully cast in epoxy resin with a compact pillar-type design
Primary terminals marked as P1 and P2; secondary terminals labeled sequentially (e.g., 1S1, 1S2, 2S1, 2S2) for easy identification
Maintenance-free design suitable for various switchgear installations
