Key facts
- Brand
- Siemens
- Model
- SIPROTEC Compact 7SJ80
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2026-10-13
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Siemens SIPROTEC Compact 7SJ80 Multifunction Protection Relay User Manual
The document describes the Siemens SIPROTEC Compact 7SJ80 multifunction protection relay, designed for line/feeder protection of high and medium-voltage networks. It supports various neutral point configurations including grounded, low-resistance grounded, isolated, or compensated systems. The relay also functions effectively as a backup relay for transformer differential protection.
Read onlineSiemens SIPROTEC Compact 7SJ80 specifications
| Power supply voltage options | DC 24 V, 48 V, 6‑110 V, 125 V, 220 V, 250 V; AC 115 V, 230 V |
|---|---|
| Additional power supply options | DC 6‑110 V, 125 V, 220 V, 250 V; AC 115 V, AC 230 V |
| IEC 61850 communication speed | 100 Mbit |
| Modbus interface | RS485 |
| PROFIBUS DP interface | RS485 |
| DNP 3.0 interface | RS485 |
All Siemens SIPROTEC Compact 7SJ80 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What is the physical height of the relay housing?
The relay housing has a height of 244 mm (9.61 inches).
From: Siemens SIPROTEC Compact 7SJ80 Multifunction Protection Relay User Manual
How many binary inputs does the relay provide?
The relay provides 3 to 7 binary inputs with configurable thresholds.
From: Siemens SIPROTEC Compact 7SJ80 Multifunction Protection Relay User Manual