Modular Low-Impedance Bus-Bar Protection
87B
- Modular expandable prewired multizone system with check zone
- Individual modules for: Bus Coupler / Sectionalizer Feeder - income with automatic replica of the position of the bus-bar switches and saturation detectors
- Oscillographic recording
- Zone percentage biased differential protection
- No need for check-zone system CTs
- Modbue protocol
