ОПИСАНИЕ ПРОДУКТА
SIEMENS 7SR5111-7AA16-0AA0 - Compact Overcurrent and Earth-Fault Protection Relay
This device is a SIEMENS SIPROTEC 5 series compact digital protection relay engineered for overcurrent and earth-fault protection. It integrates comprehensive measurement, monitoring, and control functions for reliable operation in medium-voltage and high-voltage power distribution systems. Designed for applications including feeder protection, motor protection, and transformer protection, it ensures system stability and fault isolation.
Technical Specifications:
- SERIES/FAMILY: SIPROTEC 5
- COMPONENT TYPE: Overcurrent and Earth-Fault Protection Relay
- ELECTRICAL SPECS:
- NOMINAL CURRENT INPUTS: 1A / 5A (selectable)
- AUXILIARY VOLTAGE: 60-250V AC/DC
- FREQUENCY: 50/60 Hz (for AC auxiliary voltage)
- CURRENT INPUTS: 4
- MECHANICAL/PHYSICAL:
- HOUSING SIZE: 1/3 (Compact)
- FORM FACTOR: Panel flush mountable
- INTERFACE/CONTROL:
- BINARY INPUTS: 4
- BINARY OUTPUTS: 5
- FRONT INTERFACE: USB Type B (for local configuration and diagnostics)
- COMMUNICATION: No integrated communication module in this specific configuration SIPROTEC 5 family supports IEC 61850, PROFINET, Modbus TCP/RTU, DNP3, IEC 60870-5-103/104 via optional modules.
- FEEDBACK: Real-time current and event data for protection and monitoring.
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP40 (front), IP20 (rear terminals)
- COOLING METHOD: Passive convection
- MOUNTING STYLE: Panel flush mounting
- COMPATIBILITY/APPLICATION: Feeder protection, motor protection, transformer protection, generator protection, capacitor bank protection, busbar protection in industrial plants and utility substations.