Description
3. Key Technical Specifications
- Protection: Thermal model, overload, stator, and rotor protection
- Power Supply: HI range (90-300 VDC / 70-265 VAC)
- CT Inputs: 1 A secondary (P1 option)
- I/O: Analog and digital options per configuration
- Display: Enhanced large LCD with harsh environment coating
- Communications: Multiple protocols for SCADA integration
- Mounting: Draw-out chassis for easy maintenance
- Operating Temperature: Industrial/marine suitable
- Firmware: Supports legacy and compatible revisions
- Testing: Full relay test set verification of protection elements
4. Product Introduction & Supply Chain Strategy
The GE Multilin 469-P1-HI-A20-E-H is a comprehensive motor management relay designed to protect and control medium to large motors and driven equipment. It provides advanced thermal modeling, metering, and diagnostics in a draw-out format suitable for switchgear applications.
Opting for New Surplus inventory is a disciplined approach for this EOL series. With manufacturing discontinued, maintaining buffer stock avoids extended lead times and potential plant shutdowns. New Surplus units deliver superior reliability over refurbished options by eliminating risks of component aging, resulting in lower total cost of ownership and assured performance during critical motor operations.
5. Installation & Configuration Guide
Stage 1: Pre-Installation (Prep & Safety) Apply lock-out/tag-out to the motor circuit. Wear an ESD wrist strap. Photograph the existing relay faceplate, rear wiring, and any custom settings or labels.
Stage 2: Removal De-energize the chassis. Release the draw-out handle and withdraw the old relay module carefully to protect the backplane connections.
Stage 3: Installation (Clone & Seat) Configure the new 469-P1-HI-A20-E-H to match original settings via front panel or software. Slide the relay fully into the chassis until it locks in place. Reconnect all terminal wiring precisely.
Stage 4: Power-On & Testing Verify power supply input. Energize and confirm display and LEDs indicate healthy status. Use EnerVista software to upload settings, test protection functions, and validate metering and communications.
- 469-P1-HI-A20-E-H
- 469-P1-HI-A20-E-H
6. Firmware/Software Versions & Upgrade Notes
Use firmware compatible with your existing 469 installation. Document the current version before replacement.
Upgrading firmware can add features but may require settings adjustments and re-testing of all protection elements. Downgrading risks loss of functionality. Perform firmware changes only after backing up configurations and during scheduled maintenance windows.
7. Frequently Asked Questions (FAQ)
Q: Is the 469-P1-HI-A20-E-H genuinely New Surplus? Yes. These are authentic New Surplus relays with original components, never deployed, and subjected to complete functional testing.
Q: Why select New Surplus instead of refurbished for motor protection? Motor protection demands absolute reliability. Refurbished relays can have latent failures in critical circuits that only appear during a fault. New Surplus provides confidence and a full warranty period.
Q: Is this relay model obsolete? Yes, the 469 series has been discontinued in favor of newer platforms. Strategic stocking of New Surplus is essential to support existing installations without major system upgrades.
Q: Can this relay be hot-swapped? No. Always isolate the motor and control circuits before replacement to prevent unintended tripping or unsafe conditions.
Q: How are settings handled during replacement? Download settings from the old relay using EnerVista software if accessible, or load a saved configuration file. Verify all parameters, especially thermal model and protection thresholds, after installation.
Q: What warranty applies? We provide a 1 year warranty on these New Surplus units, complete with test documentation. This offers substantially more security than short-term refurbished warranties.
Q: How do I verify compatibility for my motor application? Supply your motor data, existing settings file, or application details. Our team reviews the order code and assists with configuration to ensure seamless protection.
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