The GRE-Series multi-function protection devices have been launched for application in MV networks,drawing on the proven technologies of Toshiba protection and control devices,developed over more than 100 years. This compact,cost-effective device provides a comprehensive range of protection and control functions.
Features
Protecting feeders and motors in medium voltage networks
Backup protection for generators,transformers and feeders in high voltage networks
Feeder manager device with CB control function,43R/L switch and comprehensive supporting functions
Compact and cost-effective design
Elementary,environmentally-friendly,easy to use and enhanced product concepts
Functions
Multiple protection relay elements
Local/remote CB control
Automatic supervision and recording functions
Combined 1A/5A CT rating
Wide range auxiliary supply voltage range
DC/AC auxiliary supply
Configurable binary inputs and outputs
Configurable LEDs(function and color)
Trip circuit supervision using two binary inputs for high integrity
USB port for local PC connection
Remote communication
(Modbus RTU,DNP3.0,IEC60870-5-103 or IEC61850(option))
Products Lists
GRE110 Over-current and earth fault protection and control
GRE120 Motor Protection and control
GRE130 Voltage and frequency protection and control
GRE140 Directional overcurrent and earthfault protection and control
GRE160 Transformer Protection
GRE170 Machine Protection