Product Overview
Moxa MOX720-P4668D Original Industrial Spare MOX720 Compatible
The Moxa MOX720-P4668D (Part No. 80026-518-01) is a genuine original power supply module engineered for the MOX720 modular gateway platform. In industrial environments where continuous uptime is non-negotiable — from automated manufacturing lines and process control rooms to remote SCADA substations — having a verified, ready-to-ship spare of this module on hand is a cornerstone of any responsible maintenance strategy. Whether you are managing a planned shutdown, responding to an unscheduled fault, or building a strategic spare parts inventory, the MOX720-P4668D delivers the electrical reliability and system compatibility that Moxa’s industrial-grade architecture demands.
Sourced directly through authorized industrial supply channels and fully tested prior to dispatch, every unit shipped by TOPNLMS carries a 12-month quality warranty, ensuring your procurement team can commit to this spare with full confidence in its authenticity and performance.
Critical Technical Specs Table
| Parameter |
Specification |
| Model |
MOX720-P4668D |
| Part Number |
80026-518-01 |
| Brand |
Moxa |
| Series |
MOX720 Modular Gateway Platform |
| Module Type |
Industrial Power Supply Module |
| Input Voltage |
48 VDC (nominal, per MOX720 platform spec) |
| Output |
Regulated DC power for MOX720 backplane and I/O modules |
| Form Factor |
Modular, hot-swap capable (platform dependent) |
| Operating Temperature |
-40°C to +75°C (industrial grade) |
| Protection |
Overcurrent, overvoltage, short-circuit protection |
| Mounting |
MOX720 chassis slot-mount |
| Compatibility |
MOX720 series modular gateway chassis and expansion modules |
| Application Environment |
Industrial automation, SCADA, remote I/O, process control |
| Maintenance Note |
Replace in pairs where redundant PSU slots are available; inspect connector pins for oxidation during scheduled maintenance |
| Weight |
1,100 g |
| Origin |
Taiwan |
| Warranty |
12 Months — TOPNLMS Quality Guarantee |
Preventive Maintenance Strategy
A power supply module failure in a modular gateway platform rarely occurs in isolation. When the MOX720-P4668D is flagged for replacement during a scheduled inspection or emergency shutdown, experienced maintenance engineers know to treat it as a trigger for a broader system health check across the entire MOX720 chassis.
Begin by auditing the MOX720 communication interface modules installed in adjacent slots — particularly any Moxa NPort serial-to-Ethernet conversion modules or Moxa EDS managed Ethernet switch modules that share the same backplane power rail. A degraded power supply can cause intermittent resets or data corruption in these modules long before a hard failure is logged. Replacing the MOX720-P4668D is also an ideal time to inspect the MOX720 I/O expansion modules for loose terminal connections, especially in high-vibration environments.
For sites running Moxa’s ioLogik remote I/O controllers in the same control cabinet, verify that the 24 VDC distribution rail feeding both the MOX720 chassis and the ioLogik units is within tolerance — a failing PSU module can introduce ripple that affects analog signal accuracy on connected Moxa ioLogik E1240 analog input modules. Similarly, inspect the DIN-rail terminal blocks and surge protection modules on the field wiring side; these passive components are often overlooked during reactive maintenance but are critical to long-term system stability.
If your facility operates Moxa MGate protocol gateway modules alongside the MOX720 platform — common in Modbus-to-EtherNet/IP or PROFIBUS-to-Ethernet bridging applications — schedule their firmware version check during the same maintenance window. Pairing a PSU replacement with a gateway firmware audit eliminates a second planned outage. Finally, review the status of any Moxa AWK industrial wireless access point modules or Moxa cellular gateway units that depend on the MOX720 chassis for backhaul connectivity; these are high-value assets that benefit from the same proactive spare stocking approach.
TOPNLMS maintains ready stock of MOX720-series components and associated Moxa modules, enabling same-week dispatch for maintenance teams operating on tight shutdown windows.
Strategic Replacement Solutions
The MOX720-P4668D (80026-518-01) is a direct OEM replacement for the original power supply module in any MOX720 modular gateway chassis. Unlike generic third-party alternatives, this genuine Moxa module preserves the original firmware handshake protocols between the PSU and the chassis management controller, eliminating the risk of compatibility errors that can arise from non-OEM substitutes.
For facilities managing aging MOX720 installations — particularly those deployed five or more years ago in oil and gas SCADA systems, water treatment telemetry networks, or railway trackside communication cabinets — the MOX720-P4668D represents a cost-effective life-extension strategy. Rather than committing to a full platform migration, replacing the power supply module restores the chassis to factory-specification electrical performance, extending the useful service life of the entire gateway system by several additional years.
Maintenance planners should consider stocking a minimum of one spare MOX720-P4668D per three operational chassis units. For critical infrastructure sites with no tolerance for unplanned downtime, a one-to-one spare ratio is recommended. TOPNLMS can support bulk procurement requests with volume pricing, consolidated shipping, and documentation packages suitable for asset management systems.
All units are individually tested for output voltage stability, inrush current behavior, and protection circuit functionality before dispatch. A test report is available upon request for quality-critical procurement processes.
Support FAQ
Q1: What is the warranty coverage for the MOX720-P4668D supplied by TOPNLMS?
Every MOX720-P4668D unit ships with a 12-month quality warranty covering manufacturing defects and functional failures under normal operating conditions. Warranty claims are processed with priority turnaround to minimize site downtime.
Q2: How do I verify compatibility with my existing MOX720 chassis before ordering?
The MOX720-P4668D (80026-518-01) is the OEM-designated power supply module for the MOX720 platform. Provide your chassis serial number or full model designation when contacting our technical team, and we will confirm slot compatibility and any firmware prerequisites before shipment.
Q3: What pre-shipment testing is performed on each unit?
Each module undergoes output voltage verification, load regulation testing, and protection circuit activation checks. Units that do not meet Moxa’s published electrical specifications are quarantined and not dispatched. A test summary is available on request.
Q4: Can TOPNLMS support long-term or recurring spare parts supply for the MOX720 series?
Yes. TOPNLMS maintains ongoing stock of MOX720-series modules and can establish scheduled replenishment agreements for maintenance teams with annual spare parts budgets. Contact our procurement team to discuss lead times, volume pricing, and consolidated shipment options.
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