Product Details
Configured for feeder protection, metering, and breaker control in electrical power distribution networks, the GE 760-P5-G5-D5-HI-AI-R (760 Feeder Management Relay) provides direct physical/electrical execution.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 760-P5-G5-D5-HI-AI-R |
| Brand | GE / General Electric |
| Origin | USA |
| Weight | 3 kg |
| Dimensions | 18 cm x 16.5 cm x 21.5 cm |
| Operating Temp | -40 to +70 deg C |
| Power Consumption | Control Power 88-300 VDC / 70-265 VAC at 48-62 Hz |
| CT Inputs | 5 A phase CT, zero-sequence CT, and polarizing inputs (MOD009) |
| Analog Inputs | Transducer analog input support for monitoring |
| Metering Accuracy | Current: +/-0.5%, Voltage: +/-0.25%, Frequency: +/-0.02 Hz |
| Communication Protocols | Modbus TCP/IP, DNP3, Ethernet |
| Time Synchronization | IRIG-B support |
| Status Indicator | Red LED for closed breaker status |
| Display & Housing | Enhanced LCD display, optional conformal coating |
| Certifications | CE, UL |
Backplane Bus Communication Velocity and Firmware Flash Compatibility
The 760-P5-G5-D5-HI-AI-R integrates directly into station automation architectures via high-speed Ethernet interfaces supporting Modbus TCP/IP and DNP3. Internal microprocessor buses deliver high-velocity sampling of analog currents and voltages to compute programmable ANSI/IEC/FlexCurve protection algorithms without throughput bottlenecking. Non-volatile flash memory maintains parameter calibration arrays and firmware flash compatibility across network downloads via the GE EnerVista software suite, ensuring deterministic trip output timing and event recording under severe fault conditions.
Frequently Asked Questions
Q: What power source range is required to energize the HI power supply option?
A: The HI control power supply operates across a wide voltage range of 88 to 300 VDC or 70 to 265 VAC at 48 to 62 Hz.
Q: What current transformer rating is required for the phase CT inputs on this relay variant?
A: The P5 and G5 configuration specifiers require 5 A nominal phase and zero-sequence current transformer secondary inputs.
Q: How is high-precision time stamping achieved for oscillography and event recording?
A: The relay supports dedicated IRIG-B hardware inputs to synchronize internal time-stamped logs with substation master clock signals.
Field Installation Guidelines
- De-energize all high-voltage primary circuits and isolate auxiliary DC control power before mounting or wiring the relay unit.
- Short-circuit all CT secondary leads at the test block before disconnecting current input wiring to prevent high-voltage open-circuit transients.
- Attach a ground conductor from the relay panel frame earth ground stud directly to the station earth grid.
- Route low-voltage transducer analog lines and Ethernet communication cables in separate grounded conduits away from primary AC current conductors.
- Torque all rear terminal block terminal screws to specified manufacturer settings to prevent thermal heating under full-load currents.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Mitigating Emergency Stop Spurious Trips in Industrial Control Systems
Emergency stop (E-Stop) pushbuttons serve as vital safety devices in factory automation and process control plants. Functional safety standards mandate normally-closed (NC) contact blocks to ensure fail-safe operation during wiring breaks or power outages. However, mechanical degradation over time can trigger unexpected spurious trips, halting production lines without an actual emergency. Understanding the underlying causes of mechanical contact failure allows automation engineers to implement robust, fault-tolerant safety circuits.
Redundant Automation Systems: Maximizing Uptime in Critical Control Applications
Industrial automation relies on continuous operational stability to prevent catastrophic downtime and financial loss. While standard dictionary definitions treat redundancy as superfluous, industrial engineers consider redundant control architectures indispensable for high-availability systems. Implementing backup hardware ensures seamless takeover during primary equipment failures, protecting critical infrastructure across manufacturing and process industries.
Demystifying the 5 Levels of Industrial Automation Architecture
Modern manufacturing relies on structured communication hierarchy to bridge physical shop-floor hardware with enterprise management software. This framework, commonly known as the Automation Pyramid, establishes how data flows between field devices, logic controllers, and corporate IT networks. Understanding these five distinct levels helps engineers and plant managers optimize system operations, reduce downtime, and implement seamless factory automation solutions.