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BJ-FTU100 Feeder Terminal Unit for Recloser
The BJ-FTU100 Feeder Terminal Unit is a fully digitalized, microprocessor-based control protection relay designed to provide protective coordination and fault clearance of distribution systems for continuous, high-quality electric service.
The BJ-FTU100 provides protection, measurements, status monitoring, control, communication, data handling, and distribution automation. It contains DT, IDMT, and user-defined curves according to IEC and ANSI standards to provide fully protective coordination for continuous best-quality electric distribution.
Feature
- All parameter measurement;
- Reclosing control function;
- Synchronization check function
- Measurement high alarm and warn;
- System event recorder – last 10,000 events;
- Loop automation/auto-changeover scheme;
- RJ45 Ethernet port, RS232 & RS485/232 serial port optional.
Specification
| Parameter | BJ-FTU100 |
| Power supply | 24 V DC (20 … 29 V DC) |
| Max power consumption | <10 W |
| Frequency | 50/60 Hz |
| Analog input | 4I+6Us+2Uo |
| Current transformer ratio | 1/5 A |
| Voltage sensor | 0~8 V rms (optimized with secondary rated phase voltage 4 Vrms) |
| Binary input/output | 8 BI/4BO |
| Binary input rated voltage | 24 V DC |
| Binary input threshold voltage | >18 V DC |
| Binary input reaction time | <20 ms |
| Binary output rated voltage | 250 V AC |
| RTD/mA inputs | 4-20 mA |
| Debugging port on front panel | RJ45 Ethernet port |
| Communication serial port on rear panel | RS232 & RS232/485 serial port |
| Communication ethernet port on rear panel | RJ45 Ethernet port |
| Communication protocol | IEC101/104, DNP3.0, MODBUS |
| Operation temperature range | -25°C … +70°C |
| Storage temperature range | -40°C … +85°C |
| Degree of protection | Front panel: IP54, Rear panel: IP20 |
| Dimension | 253*172*167 mm |
Application
- High voltage overhead lines;
- Electric utility and grid infrastructure;
- Telecommunications infrastructure;
- Renewable energy generation and distribution;
- Public transportation and electrified rail system
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