GE 850-E-P5-NN-S5-HNNANNMM-SFC-SE-NNB-4-2-043X | Multilin 850 Feeder Protection Relay
Product Overview
The GE 850-E-P5-NN-S5-HNNANNMM-SFC-SE-NNB-4-2-043X is a high-end Multilin 850 Series Feeder Protection Relay engineered by GE Grid Solutions. Designed for comprehensive protection, control, and monitoring of overhead/underground feeders in utility and industrial power networks, it integrates a color display, programmable logic, and multi-protocol communication in a compact, panel-mount design. As a discontinued OEM part, it serves as a critical spare for legacy GE 850 system maintenance and upgrades.

Key Specifications

Model: 850-E-P5-NN-S5-HNNANNMM-SFC-SE-NNB-4-2-043X
Brand: GE (General Electric)
Series: Multilin 850 Feeder Protection System
Type: Microprocessor-Based Protective Relay
Current Input: 5A 3-phase + 5A ground (P5 config)
Voltage Input: 110–230 VAC / 110–250 VDC
Display: Large color graphical LCD (configurable single-line diagrams)
Communication: Ethernet, Modbus TCP/RTU, DNP3.0, USB, RS485
I/O: High-density configurable inputs/outputs, 12 switchgear control elements
Mounting: 19” rack / panel mount
Operating Temp: -20°C to +60°C
Certifications: CE, RoHS, UL
Status: Discontinued, limited NOS/refurbished stock available

Features & Benefits

All-in-One Protection: Overcurrent, earth fault, arc flash, voltage/frequency protection for feeders.
Advanced Monitoring: Real-time data logging, fault recording, and event diagnostics for predictive maintenance.
Seamless Integration: Plug-and-play with GE Multilin 850 systems; compatible with SCADA/DCS via standard protocols.
User-Friendly Interface: Configurable LCD with single-line diagrams and 20 virtual pushbuttons for local control.
Robust & Reliable: Industrial-grade build for 24/7 operation in harsh power distribution environments.

Applications

Utility Power Distribution Networks
Industrial Plants (Petrochemical, Mining, Manufacturing)
Substation Feeder & Bay Control
Legacy GE Multilin 850 System Upgrades & Maintenance
Critical Infrastructure Protection

Availability

GE 850-E-P5-NN-S5-HNNANNMM-SFC-SE-NNB-4-2-043X is discontinued by GE. We offer genuine new old stock (NOS) and fully tested refurbished units with warranty. Limited inventory—contact for real-time pricing and global delivery.

Why Choose Us

100% genuine GE OEM or tested refurbished parts
Competitive pricing for hard-to-find industrial protection relays
Fast worldwide shipping & dedicated after-sales support

SEO Title (for product page)

GE 850-E-P5-NN-S5-HNNANNMM-SFC-SE-NNB-4-2-043X | Multilin 850 Feeder Protection Relay
Genuine GE 850-E-P5-NN-S5-HNNANNMM-SFC-SE-NNB-4-2-043X Multilin 850 feeder protection relay. Discontinued industrial power distribution relay, NOS & refurbished units in stock. Fast global shipping.