Acrel AKH-0.66/K Series Split Core Current Transformer is a high-precision, industrial-grade AC current sensor designed for energy measurement, monitoring, and protection applications.
With a split-core (open-type) design, it allows fast installation without disconnecting cables, making it ideal for retrofit and live electrical systems. The series supports multiple current ratios up to 1000A / 5A, offering flexible options for different load requirements.
Key Features
- Split-core clamp design for easy installation
- Wide current range: 5A up to 1000A options
- Standard output: 5A secondary current
- High accuracy for metering and monitoring
- CE certified for industrial applications
- No power shutdown required during installation
- Suitable for retrofit and new electrical panels
- Compatible with energy meters, PLCs, and relays
Technical Specifications
- Model: Acrel AKH-0.66/K Series
- Type: Split Core Current Transformer (CT)
- Primary Current Range: 5A – 1000A (optional models)
- Secondary Current: 5A (standard)
- Rated Voltage: Up to 0.66 kV
- Frequency: 50/60 Hz
- Accuracy Class: Typically 0.5 / 1.0 (model dependent)
- Installation Type: Clamp-on (split core)
- Operating Type: Indoor electrical panels





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