PRODUCT DESCRIPTION
SIEMENS 7SJ8041-5EB90-1FC0 L0R - Multifunctional Feeder and Motor Protection Relay
The SIEMENS 7SJ8041-5EB90-1FC0 L0R is a compact, multifunctional SIPROTEC 7SJ80 series protection relay engineered for comprehensive feeder and motor protection applications. It integrates advanced control technology for monitoring, fault detection, and isolation in industrial power distribution systems. This device is suitable for deployment in medium-voltage switchgear, industrial plants, and infrastructure projects requiring robust grid stability and asset protection.
Technical Specifications:
- SERIES/FAMILY: SIPROTEC 7SJ80
- COMPONENT TYPE: Multifunctional Feeder and Motor Protection Relay
- ELECTRICAL SPECS:
- RATED CURRENT INPUTS: 1A or 5A (selectable)
- AUXILIARY VOLTAGE: 60-250V AC/DC
- SYSTEM FREQUENCY: 50 Hz / 60 Hz
- PHASE COMPATIBILITY: 3-Phase, 2-Phase, or 1-Phase systems
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Compact panel-mount housing
- DIMENSIONS: Standard SIPROTEC 7SJ80 compact housing
- INTERFACE/CONTROL:
- COMMUNICATION PROTOCOLS: IEC 61850, PROFINET, Modbus TCP, DNP3, IEC 60870-5-103/104 (via Ethernet)
- LOCAL INTERFACE: Front USB port for configuration
- REAR INTERFACE: Additional communication port (e.g., RS485 or Ethernet)
- BINARY I/O: Configurable binary inputs and outputs for control and status
- MEASUREMENT: Integrated current and voltage measurement for protection functions
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP50 (front panel), IP20 (rear terminals)
- COOLING: Passive convection
- MOUNTING STYLE: Flush panel mounting
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Medium-voltage switchgear, industrial power distribution, substations
- APPLICATIONS: Feeder protection, motor protection, transformer protection, line protection, grid stability, SCADA integration