PRODUCT DESCRIPTION
SIEMENS 7KG6111-2EH10 - Digital Overcurrent Protection Relay
This SIEMENS 7KG6111-2EH10 unit is a microprocessor-based digital overcurrent protection relay from the SIPROTEC 6 series, engineered for comprehensive fault detection and isolation in medium-voltage and high-voltage power distribution systems. It provides primary and backup protection against phase overcurrent, earth fault, and short-circuit conditions, utilizing advanced measurement algorithms and configurable trip characteristics. Designed for integration into substation automation and SCADA systems, it ensures operational continuity and equipment integrity across industrial plants, utility networks, and critical infrastructure.
Technical Specifications:
- SERIES/FAMILY: SIPROTEC 6 Series
- COMPONENT TYPE: Digital Overcurrent Protection Relay
- ELECTRICAL SPECS:
- AUXILIARY VOLTAGE: 24-250VDC / 110-230VAC (typical for -2 variant)
- NOMINAL FREQUENCY: 50/60 Hz
- NOMINAL CURRENT INPUT: 1A or 5A (via external Current Transformers)
- NOMINAL VOLTAGE INPUT: Via external Voltage Transformers (system dependent)
- INTERFACE/CONTROL:
- COMMUNICATION PROTOCOLS: IEC 61850, IEC 60870-5-103, IEC 60870-5-104, Modbus RTU (Ethernet port indicated by 'E' in code)
- BINARY INPUTS: Configurable (e.g., 4-11 inputs, typical for this series)
- BINARY OUTPUTS: Configurable (e.g., 5-8 outputs, typical for this series)
- FEEDBACK: Event Recorder, Fault Recorder, Measured Values, Disturbance Recorder
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP50 (front panel), IP20 (rear terminals)
- COOLING METHOD: Passive Convection
- MOUNTING STYLE: Flush Panel Mounting
- COMPATIBILITY/APPLICATION:
- PROTECTION FUNCTION: Phase Overcurrent, Earth Fault, Short-Circuit
- TARGET SYSTEMS: Medium-Voltage Feeders, Overhead Lines, Cables, Transformers, Generators, Motors, Busbars
- INTEGRATION: Substation Automation Systems, SCADA Systems, Distributed Control Systems (DCS)