Description
1. Product Title
GE SR750-P1-G1-S1-HI-A20-R-E-H – Feeder Protection Relay (Multilin SR750 Series)
2. Product Overview
The GE SR750-P1-G1-S1-HI-A20-R-E-H is an advanced feeder protection relay from the Multilin SR750 series, designed to provide comprehensive protection, monitoring, and control for distribution feeders in industrial and utility power systems.
The SR750-P1-G1-S1-HI-A20-R-E-H integrates multiple protection functions—including overcurrent, ground fault, and voltage protection—into a single compact unit. It combines protection, control, metering, and communication capabilities, making it ideal for modern digital substations and industrial power networks.
With flexible configuration options and robust communication support, this relay enhances system reliability, minimizes downtime, and enables efficient power system management in critical applications.
3. Technical Specifications
- Brand: GE
- Model: SR750-P1-G1-S1-HI-A20-R-E-H
- Warranty: One Year
- Condition: 100% New & Original
- Type: Feeder Protection Relay (Multilin SR750 Series)
Protection Functions:
- Phase overcurrent (50/51)
- Ground fault protection (50G/51G)
- Voltage protection (over/under voltage)
- Frequency protection (optional)
- Directional protection (model dependent)
Electrical Parameters:
- Control Power Supply: High range (typically 88–300 VDC / 70–265 VAC)
- Current Inputs: 1A / 5A CT compatible
- Voltage Inputs: Standard PT inputs for monitoring
Communication:
- Protocols: Modbus RTU / TCP, DNP3 (model dependent)
- Ports: RS-485, Ethernet (depending on configuration)
I/O Configuration:
- Multiple programmable digital inputs and relay outputs
- Analog inputs for voltage and current measurement
Display & Interface:
- Front-panel LCD display
- Keypad for configuration and diagnostics
- LED indicators for status and alarms
Environmental:
- Operating Temp: -40°C to +60°C
- Designed for substation and industrial environments
4. Key Features & Benefits
- Comprehensive Feeder Protection:
Combines multiple protection functions in one device, reducing the need for separate relays and simplifying system design. - Advanced Monitoring & Metering:
Provides real-time measurements of current, voltage, power, and energy for improved system visibility. - Flexible Communication Integration:
Supports standard industrial protocols, enabling seamless integration with SCADA and substation automation systems. - Configurable Logic & Control:
Allows customization of protection schemes and control logic to meet specific application requirements. - High Reliability in Harsh Environments:
Designed for continuous operation in substations and industrial facilities with wide temperature tolerance.
5. Application Scenarios
- Power Distribution Substations:
Protects feeders from overloads, faults, and abnormal conditions while enabling remote monitoring and control. - Industrial Power Systems:
Used in manufacturing plants to safeguard electrical distribution networks and critical loads. - Oil & Gas & Utilities:
Ensures reliable feeder protection in remote and high-risk environments requiring high system availability.
6. Frequently Asked Questions (FAQ)
- Q: What is the primary function of the SR750-P1-G1-S1-HI-A20-R-E-H?
A: It provides feeder protection, monitoring, and control by detecting faults such as overcurrent and ground faults and initiating protective actions. - Q: Can SR750-P1-G1-S1-HI-A20-R-E-H be integrated with SCADA systems?
A: Yes, it supports communication protocols like Modbus and DNP3, allowing seamless integration with SCADA and automation systems.GE IS210BPPBH2BMD GE IS420ESWBH3A GE IS420PPNGH1A
