SR760-P5-G5-D5-HI-A20-R Feeder Protection System

The 750/760 Feeder Protection System, a member of the SR Family of protection relays, with draw

out capability intended for primary protection and management of distribution feeders. The 750/760

has specific features for industrial environments, including a drawout case to limit downtime during maintenance and conformal coating for harsh environments.

Key Benefits
Easy to use protection supported by industry leading software
Accurate built-in metering functions
I/O monitoring – improve uptime
IRIG-B time synchronization, event reports, waveform capture, data logger
Minimize replacement time
Draw-out construction
Simplify testing – Built in simulation features

Supports industry protocols such as DNP & Modbus
Optional 10MB Ethernet port
Complete monitoring – Analog I/O, Full metering
Leading edge technology – Flash memory for product field upgrade
Optional conformal coating for Harsh Environments

SR750-P5-G5-S5-HI-A20-R-T

Key Features
Directional time, instantaneous phase overcurrent protection
Directional time, instantaneous ground overcurrent protection
Directional sensitive ground and Restricted Earth Fault protection
Negative sequence overcurrent protection
Bus and line undervoltage
Overvoltage
Neutral overvoltage
Underfrequency/Frequency decay

Reverse power protection
Synchrocheck
Automatic bus transfer
Manual control
Cold load pickup control
Power factor control
4 shot recloser (760 only)
Power factor control
Synchrocheck – V, f, Hz, & dead-source

Protection and Control

The 750/760 Feeder Protection System is a digital relay intended for the management and

primary protection and control of distribution feeders. This easy to use relay provides comprehensive

protection functions for feeders and back up protection for bus, transformers and transmission lines at a reduced product life cycle cost.