Description
The GE Multilin 850 is an advanced, high-performance feeder protection and bay controller system designed for comprehensive protection, control, and monitoring of industrial and utility electrical networks. Serving as an all-in-one “One Box Solution”, it provides primary or backup protection for single or dual overhead and underground feeders, featuring robust communications, high-speed fault detection, and flexible programmable logic.
Catalogs – DirectIndustry+ 1
📋 Product Datasheet & Technical Parameters
- 📌 Model Number: 850-E-P5-NN-G5-H-N-N-A-N-N-M-S-S-F-B-SE-N-N-B-4
- 🏭 Manufacturer: GE Multilin
- ⚡ Power Supply Range: Universal high-voltage range (90 to 300 V DC / 90 to 265 V AC)
- 🔌 Power Consumption: 25 W typical, 45 W maximum operational load
- 📏 Dimensions: 7.55 in (H) x 8.42 in (W) x 9.90 in (D)
Chess Electric
- ⚖️ Weight: Approximately 5.5 kg (12.1 lbs)
- 🌍 Origin of Manufacture: Canada
- 🌐 Communication Interfaces: Dual Ethernet ports, IEC 61850 Ed2, Modbus RTU/TCP, DNP3.0
DirectIndustry
- 🌡️ Operating Temperature: -40°C to +60°C extended industrial range
- 🛡️ Enclosure Protection: IP54 front display panel protection rating
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📖 Product User Instructions
- ⚙️ Installation & Mounting: Securely mount the relay unit into the designated switchgear panel cutout, ensuring sufficient physical ventilation clearance around the chassis and leveraging the enhanced drawout housing design for safe handling.
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- 🔌 Wiring & Connections: Carefully terminate current transformers, potential transformers, auxiliary control power, and digital I/O lines to the rear barrier terminal blocks in accordance with standard electrical wiring schematics.
- 💻 Configuration & Setup: Access and configure system parameters, protection curves, and custom FlexLogic schemes using the EnerVista setup software suite or directly via the front graphical color display interface.
- 🛠️ Testing & Maintenance: Perform routine maintenance and self-diagnostics using built-in testing tools, monitor real-time metering values, and review event records and disturbance fault waveforms to guarantee reliable system operation.
❓ Frequently Asked Questions (Q&A)
- ❓ Q1: What makes the Multilin 850 a “One Box Solution”? 💡 A1: It combines advanced multi-feeder protection, comprehensive breaker control, programmable single-line diagrams, and integrated environmental monitoring into a single compact device.
Catalogs – DirectIndustry
- ❓ Q2: Can the 850 relay support dual feeder configurations? 💡 A2: Yes, with support for multiple CT inputs and voltage transformer sets, it can efficiently manage single or dual independent feeders within a single enclosure.
Cloudfront.net
- ❓ Q3: How does the device protect against cyber security threats? 💡 A3: It incorporates advanced cyber security features such as role-based access control (RBAC), RADIUS authentication, password complexity rules, and Syslog logging compliance.
Chess Electric
🌟 Recommended Alternative Series and Models
- 🔹 GE Multilin 350 – Feeder Protection System
- 🔹 GE Multilin 750 – Feeder Management Relay
- 🔹 GE Multilin 845 – Transformer Protection System
- 🔹 GE Multilin 869 – High-Performance Motor Protection System
- 🔹 GE Multilin 469 – Motor Protection Relay
- 🔹 GE Multilin 339 – Motor Protection Relay
- 🔹 GE Multilin F650 – Feeder Protection and Control System
- 🔹 GE Multilin SR750 – Feeder Management Relay
- 🔹 GE Multilin MIF – Digital Feeder Protection Relay
- 🔹 GE Multilin G60 – Generator Protection System
