Voltage and Frequency Protection Reyrolle 7SR158
The Reyrolle 7SR158 Argus voltage and frequency relays are numerical and multifunctional devices, with functionality specifically designed for connection to voltage transformers.
The voltage and frequency functionality is supplemented by data storage, instrumentation, user configurable logic, and data communication features
Enquiry about Voltage and Frequency Protection Reyrolle 7SR158
Basic Features
- Menu-based user-friendly interface provides local access to relay settings, instruments, and operational data
- 9 user configurable, tri-coloured LEDs and a USB port for PC access
- 2 levels of password protection
- Under and overvoltage (27/59)
- Neutral voltage displacement protection (59N)
- Under and over frequency (81)
- Voltage sector shift (78)
- Rate of change of frequency (81R)
- Trip and close circuit supervision (74T/CCS)
- Lockout (86)
- Provides 3 voltage inputs, 6 binary inputs, and 8 binary outputs
- Housed in a size E4 case
- Provides programmable logic which allows optimal configuration of relay functionality
- Rear electrical RS485 port is provided for SCADA connection using either IEC60870-5-103, DNP3.0 or MODBUS RTU protocol
- Circuit breaker trip and maintenance counters
- Fault, event, and waveform records