PRODUCT DESCRIPTION
SIEMENS 7KG9661-2FA10-1AA0 - Universal Protection Unit
The SIEMENS 7KG9661-2FA10-1AA0 is a modular SIPROTEC 5 series universal protection unit engineered for comprehensive protection, control, automation, and monitoring functions within power generation, transmission, and distribution systems. This digital protection relay integrates advanced algorithms for rapid fault detection and isolation, ensuring grid stability and equipment integrity. It is specifically designed for critical applications including substation automation, generator protection, transformer protection, and line protection in industrial and utility environments.
Technical Specifications:
- SERIES/FAMILY: SIPROTEC 5
- COMPONENT TYPE: Universal Protection Unit
- ELECTRICAL SPECS:
- NOMINAL AUXILIARY VOLTAGE: 24-250V DC or 100-230V AC/DC (specific range determined by configuration)
- NOMINAL CURRENT INPUTS: 1A or 5A (configurable via current transformers)
- NOMINAL VOLTAGE INPUTS: 60-220V AC (configurable via voltage transformers)
- NOMINAL FREQUENCY: 50/60 Hz
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Modular, compact housing (size variant indicated by '2' in 2FA10)
- MOUNTING: Panel flush mounting or rack mounting
- INTERFACE/CONTROL:
- COMMUNICATION PROTOCOLS: IEC 61850 (Ethernet), PROFINET, Modbus TCP, DNP3, IEC 60870-5-103/104, PRP/HSR (redundancy support)
- I/O: Configurable binary inputs and outputs, analog inputs for current and voltage transformers
- FEEDBACK: Event logs, fault records, measured values, status indications
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP30 (front), IP20 (rear)
- COOLING METHOD: Passive convection
- OPERATING TEMPERATURE: -25 to +55 degrees Celsius
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Substation automation, industrial power grids, power plants
- SPECIFIC MACHINE TYPES: Generators, transformers, transmission lines, busbars, motors, capacitor banks