Feeder protection REF601
REF601 is a dedicated feeder protection and control relay intended for the protection and control of utility and industrial power systems in primary and secondary distribution networks.
Scope
- Main protection for overhead lines and cable feeders in solidly earthed, resistance-earthed or isolated networks
- Inrush current stabilization function for distribution transformers
- Cold-load pick up function for stabilization for re-energization of distribution feeders
Product features- Overcurrent, earth-fault, phase-discontinuity, negative-phase sequence and thermal-overload protections, inrush current detection, circuit-breaker control, reclosing and measurement
- Preconfigured functionality facilitates easy and fast commissioning
- Universal power supply 24-265 V AC/DC
- Configurable binary inputs/outputs using local HMI or communication interface
- Site selectable CT selection (1 or 5A), Boolean logic and timers
- Site selectable Modbus RTU and IEC 60870-5-103 protocols
- Easy upload of fault recorded information like events, fault records and disturbance records from front USB port
