Name: GE 760-P5-G5-S5-HI-A20-R
Brand: GE
SKU: GE 760-P5-G5-S5-HI-A20-R

GE 760-P5-G5-S5-HI-A20-R

Product Overview The GE 760-P5-G5-S5-HI-A20-R is a high-performance microprocessor-based feeder management relay from the GE Multilin 760 series. It provides comprehensive protection, control, and monitoring functions for electrical distribution feeders, as well as backup protection for buses, transformers, and transmission lines. The 760 series is particularly suited for overhead feeder applications where automatic reclosing is required.

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Category: GE SKU: GE 760-P5-G5-S5-HI-A20-R

Description

GE 760-P5-G5-S5-HI-A20-R

Model Code Breakdown

Code Segment	Meaning
760	Product series — Multilin 760 Feeder Protection Platform
P5	Protection package — Includes line current differential (87), backup overcurrent (51/50), distance protection (21), directional overcurrent (67N/67Q)
G5	Human-Machine Interface (HMI) — Large color display with advanced diagnostic functions
S5	Power supply module — Wide-range AC/DC power input (88-300VDC, 70-265VAC)
HI	High-capacity fiber optic communication channel for differential protection
A20	Software version with enhanced features including PMU and advanced event recording
R	Hardware revision designation

Technical Specifications

Parameter	Value
Product Family	Multilin 750/760 Series
Function	Feeder Management Relay
System Voltage	3 or 4 wire, up to 600 kV maximum
Current Rating	5000 A maximum
Frequency	25 to 60 Hz nominal (frequency tracking: 16 to 65 Hz)
Phase Current Inputs	5 A
Ground Current Inputs	5 A
Sensitive Ground Current Inputs	5 A
Power Supply	88-300 VDC, 70-265 VAC at 48-62 Hz
Power Consumption	25 VA nominal, 35 VA maximum
Voltage Ride-Through	16.7 ms at 10% control power
Analog Outputs	8 channels, 4-20 mA type
Operating Temperature	-40°C to +60°C
Storage Temperature	-40°C to +80°C
Humidity	Up to 90% non-condensing
IP Rating	IP40
Communication Ports	RS232, RS485/422, Ethernet 10Base-T (RJ-45)
Protocols	Modbus RTU/TCP, DNP 3.0 Level 2
Ethernet	10 Mbps, Modbus TCP/IP, maximum 4 sessions
Trip Contact Rating	Make & carry: 30 A; Carry: 10 A @ 250 VAC; Break: 0.4 A @ 250 VDC
Service Contact Rating	Make & carry: 30 A; Carry: 5 A @ 250 VAC; Break: 0.3 A @ 250 VDC
Clock Accuracy	±1 ms with IRIG-B; ±5 minutes/month without IRIG-B
Supercap Backup	45 days when control power is off
Dimensions (Shipping)	14 in (W) × 16 in (H) × 12 in (D)
Shipping Weight	21 lb

Key Features

Line Current Differential Protection (87): Primary protection using high-capacity fiber optic (HI) channel for high-speed, secure communication between line-end relays, enabling precise fault detection and isolation
Backup Protection: Comprehensive overcurrent (51/50), distance protection (21), directional overcurrent (67N/67Q), and restricted earth fault protection
Automatic Reclosing: Up to 4 reclose attempts before lockout (760 series feature)
Synchronism Check: Voltage, frequency, and dead-source checking for safe paralleling
Arc Flash Mitigation: High-speed fault detection for personnel safety
Advanced Metering: Built-in accurate metering eliminates auxiliary metering devices
Event Recording: 512 events with 1 ms timestamp, waveform capture, and data logger
Draw-Out Construction: Minimizes replacement time and simplifies maintenance
Field Upgradeable: Flash memory allows firmware upgrades in the field
Conformal Coating Option: Available for chemically corrosive and humid environments

Applications

Primary protection and control for distribution feeders on solidly grounded, high-impedance grounded, or resonant (Peterson coil) grounded systems
Backup protection for transmission lines, transformers, and buses
Bus blocking and interlocking schemes
Bus transfer schemes (throw-over applications)
Load shedding based on voltage and frequency elements
Distributed generation (DG) interconnect protection
Arc flash hazard mitigation