GR Series relays provide high performance and low cost through advanced technologies
High Performance
- High speed operation
- Excellent selectivity and transient stability
- Fully numerical design
High reliability
- Low failure rate due to stringent quality control
- Automatic supervision of hardware and software
- Optional fault detector for enhanced security
Low cost
- Integration of multiple functions in a single package
- Low power consumption and compact size reduce substation costs
Metering & recording
- Real-time metering of power system quantities
- Time-tagged storage of events and fault records
- High quality disturbance records and accurate fault location
User-friendly Human Machine Interface (HMI)
- Menu-based setting with LCD
- Remote Setting and Monitoring (RSM) Software for access from a PC
Multiple communication interfaces
- Local communication by front-mounted RS232 port
- Remote communication by rear mounted RS485, Fibre-optic or Ethernet ports
- Supports IEC 60870-5-103 protocol
