⚡ GE MULTILIN 750 Feeder Management Relay
Model: 750-P5-G5-S5-HI-A20-R-T / SR750-CASE
🌐 Manufacturer: General Electric (GE Multilin)
🧰 Product Type: Feeder Protection and Management Relay
📦 Product Code: 750-P5-G5-S5-HI-A20-R-T
📁 Series: SR750 Series
📋 Condition: Brand New
📑 Key Features & Datasheet Parameters
| Category | Specification |
|---|---|
| 💡 Protection Function | Overcurrent (50/51), Ground Fault, Negative Sequence, Phase Imbalance |
| 🔌 Input Voltage Range | 20-60VDC or 85-250VAC/DC (HI option) |
| ⚙️ CT Inputs | 5 Amp (S5 option) |
| ⚡ Power Supply | High range universal auxiliary supply (HI) |
| 🧮 Digital I/Os | 6 Digital Inputs, 4 Form-C Outputs, 1 Form-A Trip Output |
| 🔧 Communication | RS485 / RS232, Modbus, DNP3, IEC 60870-5-103 (R option) |
| 🖥️ Display | Graphical LCD with keypad interface |
| 🌡️ Operating Temp. | –40°C to +70°C |
| 📶 Frequency | 50/60Hz auto-sensing |
| 🔐 Security | Password protection for configuration & operations |
| 🛠️ Mounting | Panel mount with modular case (SR750-CASE) |
| 📦 Dimensions | 244 mm x 183 mm x 145 mm |
🌟 Product Highlights
- ✅ Flexible Configuration: Supports a wide range of feeder types and system architectures.
- 🔄 Advanced Communication: Integrates with SCADA and automation systems via multiple protocols.
- 🧠 Intelligent Logic: Built-in programmable logic for custom protection and control schemes.
- 🔋 Rugged Performance: Industrial-grade design with extended temperature tolerance and power immunity.
- 📊 Data Recording: Includes event logging, waveform capture, and time stamping for post-fault analysis.
- 🧩 Modular Design: Easily serviceable and scalable with plug-in modules.
📰 Industry News Snapshot
With the rising demand for smart grid infrastructure and reliable substation automation, GE Multilin’s feeder protection relays like the SR750 are becoming critical assets in energy utilities, heavy industries, and distributed generation systems. The global trend toward renewable integration and digital substations is accelerating the adoption of such intelligent protection devices, especially those with IEC61850 readiness and multi-protocol interoperability.
🔗 Recommended Similar Models
| Model | CT Input | Power Supply | Comm Protocols | Application |
|---|---|---|---|---|
| GE Multilin 745 | 5A/1A | 85–250VAC/DC | Modbus, DNP3, IEC61850 | Transformer protection |
| GE SR760 | 5A | 24–250VDC | Modbus, IEC60870-5-103 | Motor management |
| SEL-751A | 1A/5A | Universal AC/DC | Modbus, DNP3, Mirrored Bits | Feeder automation & fault ID |
| Siemens 7SJ62 | 1A/5A | AC/DC | IEC61850, Modbus | Distribution protection |
| ABB REF615 | 1A/5A | 24–250VDC | IEC61850, Modbus TCP | Compact feeder protection |
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