ОПИСАНИЕ ПРОДУКТА
SIEMENS 7SJ8041-5EB90-1FB0 - Multifunctional Feeder Protection Relay
The SIEMENS 7SJ8041-5EB90-1FB0 is a compact, microprocessor-based multifunctional protection relay from the SIPROTEC 7SJ80 series, engineered for comprehensive feeder and overhead line protection. It integrates overcurrent, earth fault, and voltage protection functions, utilizing digital signal processing for precise fault detection and isolation. This device is designed for critical applications within medium-voltage and high-voltage distribution networks, industrial power systems, and power generation facilities, ensuring system stability and equipment integrity.
Technical Specifications:
- SERIES/FAMILY: SIPROTEC 7SJ80
- COMPONENT TYPE: Multifunctional Feeder Protection Relay
- ELECTRICAL SPECS:
- AUXILIARY VOLTAGE: 60-250 V AC/DC
- NOMINAL FREQUENCY: 50/60 Hz
- CURRENT INPUTS: 4 (Configurable for 1A or 5A nominal)
- VOLTAGE INPUTS: 4 (Configurable for 100V or 400V nominal)
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Compact, modular housing for panel integration
- MOUNTING: Flush mounting (panel cut-out)
- INTERFACE/CONTROL:
- BINARY INPUTS: 8
- BINARY OUTPUTS: 5
- COMMUNICATION PROTOCOL (SERIAL): IEC 60870-5-103, Modbus RTU
- COMMUNICATION PROTOCOL (ETHERNET): IEC 61850, Modbus TCP/IP
- FEEDBACK: Event logs, fault records, measured values, oscillographic fault recording
- ENVIRONMENTAL/MOUNTING:
- PROTECTION RATING (FRONT): IP54
- PROTECTION RATING (REAR): IP20
- COOLING METHOD: Passive convection
- COMPATIBILITY/APPLICATION:
- MEDIUM-VOLTAGE DISTRIBUTION NETWORKS
- HIGH-VOLTAGE DISTRIBUTION NETWORKS
- INDUSTRIAL POWER SYSTEMS
- OVERHEAD LINES AND CABLES
- GENERATOR AND TRANSFORMER BACKUP PROTECTION