GE Multilin 850, 469 & 750 Protection Relays | Original New
GE Multilin protection relays are the backbone of high-voltage industrial power systems. We provide the full spectrum of original numerical relays and critical replacement modules—including CPU plug-ins and power supplies—to ensure your power infrastructure remains operational 24/7. Our GE Multilin solutions are designed for precision, reliability, and easy maintenance.
Product Highlights
- Enhanced Fault Diagnostics: 850 series provides color waveform visualization for instant troubleshooting.
- Hot-Swappable Maintenance: Modular hardware allows for module replacement without complete device decommissioning.
- Legacy Support: Reliable supply of components for older SR series (469/750) to extend system lifespan.
Full Models & Technical Specifications
| Model Series |
| Primary Use |
Feeder / Bus / Capacitor |
Large Motor Management |
Feeder Management |
| I/O Capacity |
Up to 20 Inputs/Outputs |
Dedicated Motor I/O |
Dedicated Feeder I/O |
| Screen Type |
Full Color HMI |
VFD Text Display |
VFD Text Display |
| IEC 61850 |
Native Support |
Via Communication Module |
Via Communication Module |
| Fault Records |
1024 Events |
128 Events |
128 Events |
Application Fields
- Power Generation: Generator and transformer protection for utilities.
- Oil & Gas: Critical motor management for large-scale pumps and compressors.
- Mining & Metals: Robust feeder protection for harsh industrial environments.
- Water Treatment: Reliable control for municipal infrastructure.
Frequently Asked Questions
Q: Can I replace only the CPU board if the screen fails?
A: Yes, GE Multilin devices are modular; you can buy separate CPU or HMI modules from LINGJUN.
Q: Do you offer the 850-EP-P5-G5-H1 configuration?
A: Yes, we support custom N-code configurations for the entire 8 series.
Q: Is the firmware pre-installed on replacement modules?
A: Modules are shipped ready for configuration via GE EnerVista software.
Q: Are these units brand new or refurbished?
A: LINGJUN only supplies 100% Brand New Original units in factory boxes.
Q: What communication protocols are supported?
A: They support Modbus TCP/RTU, IEC 61850, and DNP3 protocols.
Q: How do you protect these high-value items during shipping?
A: We use double-box industrial packaging with anti-static foam to ensure safe global delivery.