Description
Note: Many products are not yet listed. Please contact us for more product information. Our supply channels are constantly expanding, and we currently have 20 stable shared supply channels. Please confirm the model, product, price, and all other necessary information with customer service before placing an order. We offer new, refurbished, and used products, and prices are adjusted according to the year of the item you require.
Key Technical Specifications
| Parameter | Value |
|---|---|
| CT Input Rating | 1 A or 5 A configurable |
| Protection Functions | Phase/ground overcurrent, undervoltage, overvoltage, frequency, breaker failure |
| Autorecloser | 4-shot programmable reclose with synchronism check |
| Display | Graphic LCD with IEC single-line diagram support |
| Digital Inputs | Up to 16 programmable DI channels |
| Digital Outputs | Up to 8 programmable DO trip/control contacts |
| Communication Ports | Ethernet, RS485, CAN bus for remote I/O |
| Supported Protocols | Modbus RTU, DNP3, IEC 61131-3 programmable logic |
| Auxiliary Supply | 120–240 VAC / 110–250 VDC |
| Operating Temperature | -20 °C to +70 °C |
| Mounting | Half 19-inch rack, panel cutout mounting |
| Recording Features | Oscillography, sequence of events, demand and energy metering |
Product Introduction
GE F650-N-F-L-F-2-G-1-HI-P-6E is a Multilin F650 numerical intelligent electronic device built for medium voltage feeder bays. It executes time and instantaneous overcurrent, voltage and frequency protection, while handling local breaker control and metering.
It includes on-board oscillography and event logging for post-fault analysis. The graphic HMI lets operators view bay single-line diagrams locally, and custom logic can be loaded to match site interlock requirements.
F650-N-F-L-F-2-G-1-HI-P-6E
F650-N-F-L-F-2-G-1-HI-P-6E
F650-N-F-L-F-2-G-1-HI-P-6E
F650-N-F-L-F-2-G-1-HI-P-6E
F650-N-F-L-F-2-G-1-HI-P-6E
Application Scenarios & Field Experience
Distribution substations often face blind fault response when aging F650 units develop degraded analog sampling or communication port failure. A hidden sampling drift can delay trip action during phase-to-ground faults and expand equipment damage. This relay restores coordinated feeder protection and bay control for overhead and cable feeders.
- Utility distribution substations – overhead distribution feeder overcurrent protection and auto-reclosing
- Industrial power plants – plant auxiliary transformer feeder protection and breaker bay control
- Mining switchgear houses – underground cable feeder fault detection and load shedding logic
- Solar farm collection bays – inverter feeder voltage and frequency ride-through protection
In my experience, a utility substation had random failure of autoreclose sequences on one feeder. The installed F650 had unstable analog sampling on the ground current input. The protection team isolated the bay, locked out the breaker, swapped the relay, loaded the existing setting file, verified CT polarity and communication, and ran a secondary injection test. The reclose scheme operated correctly on subsequent fault simulations, and nuisance lockouts stopped.
Standard Operating Procedure (SOP) for Quality Control
- Visual & Origin Inspection: Check OEM labeling, front display glass, terminal block and connector integrity; cross-check serial numbers against counterfeit reference records.
- Live Rig Testing: Apply secondary current and voltage signals, confirm all protection elements pickup and trip at programmed thresholds.
- Firmware Verification: Record firmware revision and confirm compatibility with EnerVista configuration software.
- Communication Validation: Establish DNP3 and Modbus sessions, verify point mapping and event reporting.
- ESD-Safe Packaging: Place tested relay in anti-static bag, add rigid foam shielding, and seal in labeled outer carton for transit.
Frequently Asked Questions
Q1: Can I drop in F650-N-F-L-F-2-G-1-HI-P-6E for an older F650 with different order suffix? A: No. Suffix codes define display, I/O, supply and communication hardware. Mismatched suffixes can create missing I/O points or unsupported communication ports. Verify exact load capacity with the OEM datasheet.
Q2: What warranty comes with this GE -N-F-L-F-2-G-1-HI-P-6E? A: We provide a 12-month warranty. The warranty covers factory defects, but it does not cover damage from CT open circuit, overvoltage transients, or incorrect setting file uploads.
Q3: How quickly can this unit ship if marked in stock? A: Stock units ship within 1–2 business days after payment confirmation. Lead time for units not in stock depends on the procurement portal supply chain.
Q4: What happens if firmware version does not match the EnerVista build used for existing settings? A: Firmware mismatch can cause setting file rejection, disabled protection functions, or misread metering values. Export and validate settings on matching firmware before commissioning.
Q5: Can I hot-swap this relay while the feeder remains energized? A: Do not hot-swap this relay unless the feeder is de-energized and locked out. Live removal disables all protection and control functions for that bay, leaving the feeder unprotected.
