DESCRIZIONE PRODOTTO
ASEA BROWN BOVERI REF541CM115AAAA - Feeder Protection and Control Relay
The ASEA BROWN BOVERI REF541CM115AAAA is a microprocessor-based digital feeder protection and control relay engineered for comprehensive supervision and management of medium voltage distribution feeders. This unit integrates advanced protection functions, precise measurement capabilities, and integrated control logic, making it suitable for utility substations, industrial power systems, and critical infrastructure applications requiring robust grid stability and operational efficiency.
Technical Specifications:
- SERIES/FAMILY: REF541
- COMPONENT TYPE: Feeder Protection and Control Relay
- ELECTRICAL SPECS:
- NOMINAL AUXILIARY VOLTAGE: 115VAC
- OPERATING VOLTAGE RANGE: 92VAC to 138VAC (80-120% of nominal)
- NOMINAL CURRENT INPUTS: 1A or 5A (configurable via CTs)
- NOMINAL VOLTAGE INPUTS: 100V to 240V (configurable via VTs)
- NOMINAL FREQUENCY: 50Hz / 60Hz
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Modular panel-mounted or 19-inch rack-mounted unit
- MOUNTING: Flush panel mounting or rack integration
- INTERFACE/CONTROL:
- COMMUNICATION PROTOCOLS: IEC 60870-5-103, Modbus RTU, DNP 3.0
- I/O: Configurable binary inputs and outputs for status monitoring and control commands
- FEEDBACK: Event logs, disturbance records, measured values, fault locators
- USER INTERFACE: Integrated local HMI with graphical display and pushbuttons
- ENVIRONMENTAL/MOUNTING:
- IP RATING: Front panel IP54 Rear terminals IP20
- COOLING METHOD: Passive convection cooling
- OPERATING TEMPERATURE: -25°C to +55°C
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Medium voltage distribution networks, industrial switchgear, utility substations
- SPECIFIC MACHINE TYPES: Overhead lines, cable feeders, transformers, capacitor banks, busbars, generators