Siemens 7SJ6111-5EB90-1FA01FF
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- product origin: Germany
- shipping port: XIAMEN
- Lead Time: 3-5 days
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Siemens 7SJ6111-5EB90-1FA01FF SIPROTEC 4 Multi-Functional Overcurrent Protection Relay
Product Description
7SJ6111-5EB90-1FA01FF belongs to Siemens SIPROTEC 4 series intelligent numerical protection relay integrated with bay control functions, specially designed for medium-voltage feeders, transformers and motor overcurrent protection in power distribution systems. This unit provides comprehensive phase overcurrent, earth fault, unbalanced current, locked rotor and overload protection with selectable IEC/ANSI inverse-time and definite-time tripping characteristics. It supports high-precision fault recording, event logging and oscillographic data storage for post-fault analysis. Equipped with flexible binary input/output terminals and standard communication interfaces, it realizes seamless data interaction with SCADA/DCS systems for remote monitoring, parameter configuration and breaker control via DIGSI 4 engineering software. Featuring robust electromagnetic interference resistance, wide working temperature range and compliance with international power industry standards, it ensures stable, reliable protection and bay-level automation control for industrial power grids, factory distribution networks and utility substations.
Product Data Attributes Table
| Parameter | Specification |
|---|---|
| Brand | Siemens |
| Full Part Number | 7SJ6111-5EB90-1FA01FF |
| Product Series | SIPROTEC 4 7SJ61 Numerical Protection Relay |
| Core Application | Feeder, transformer & motor overcurrent protection |
| Main Protection Functions | Phase OC, earth fault, unbalance, stall, overload protection |
| Tripping Characteristics | IEC & ANSI inverse-time / definite-time curves optional |
| Auxiliary Power Supply | Configurable DC/AC control supply based on suffix definition |
| Fault Recording | Oscillographic waveform capture, event sequence logging |
| Configuration Software | DIGSI 4 engineering tool |
| Communication Options | Serial RS232, optional PROFIBUS-DP/Modbus |
| Binary I/O | Configurable digital inputs and relay trip/output contacts |
| Installation Mode | Standard 19-inch panel mounting |
| Protection Class | IP20 (indoor control panel installation) |
| Operating Ambient Temp | -20 °C ~ +55 °C |
| Compliance Standards | IEC 60255, IEC 61850 basic compatibility, CE certified |
| Country of Origin | Germany |
| Typical Scenarios | Industrial MV distribution substations, factory power feeders, motor control systems |
| Built-in Function | Bay controller logic, breaker monitoring & control |
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