


The Siemens SIPROTEC 7SJ85 is a state-of-the-art numerical protection relay designed for feeder, line, and capacitor bank protecti...
| Feature | Value |
|---|---|
| Load Capacity | Feeder and Line Protection up to HV/MV Levels |
| Control Type | Digital / Programmable Protection Control |
| Material | Industrial-Grade Polycarbonate Front with Metallic Enclosure |
| System Type | Numerical Feeder Protection and Control System |
| Mounting Type | Panel / Rack Mounted |
| Application Type | Transmission, Distribution, Industrial and Capacitor Bank Protection |
| Current | 1 A / 5 A (CT Inputs) |
| Inputs | 4 × Current Transformers, 4 × Voltage Transformers |
| Binary Inputs / Outputs | 11–59 BI / 9–33 BO |
| Communication Protocols | IEC 61850, Modbus, DNP3, PROFINET |
| Display Options | Large, Small, or No Display |
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