Product Overview

The Allen Bradley 80026-518-01-R (also identified by engineering codes 80026-518-01 and MOX720-P4668E) operates as a high-precision, multi-channel DC/DC switching power supply. This component primarily drives the internal control topologies, gate driver boards, and interface electronics within Allen Bradley PowerFlex 7000 medium-voltage variable frequency drives (VFDs). It accepts a single high-integrity 56 VDC source input and splits it into 7 distinct, highly regulated outputs across three voltage tiers. We supply this power unit as 100% Brand New and Original, allowing facilities to eliminate drive faults and keep heavy industrial motor controllers running at peak efficiency.

Technical Specifications

Engineering Advantages

• 7-Channel Multi-Output Architecture: The 80026-518-01-R generates 5 VDC, 15 VDC, and 24 VDC rails simultaneously from a standalone 56 VDC source input. This multi-voltage configuration eliminates the cost, weight, and failure points associated with deploying multiple independent single-rail power bricks inside the drive cabinet.

• Advanced Integrated Circuit Protection: Onboard sensing circuits continuously monitor output parameters. The module immediately blocks overvoltage surges and overcurrent thermal runaways, safeguarding downstream control processors, fiber-optic links, and sensitive gate pulse boards from electrical damage.

• Direct PowerFlex 7000 System Synchronization: This power supply features specific form-factor dimensions and pin-out properties that match the internal control bays of medium-voltage PowerFlex 7000 VFD enclosures. This layout prevents mismatched tolerances and allows drop-in component replacement.

• High-Frequency Electrical Isolation: The switching circuit isolates the input power bus from the logic outputs. This suppression blocks electromagnetic interference (EMI) and harmonic noise generated by high-power inverter switching loops, maintaining precise signal communication integrity.

FAQs

• What causes the part number discrepancy between 80026-518-01 and 80026-518-01-R?

  Both codes represent identical hardware. The "-R" suffix typically designates a regional tracking indicator or compliance revision within Rockwell's parts system. Both models share the exact same 56 VDC input profile and 7-rail output layout.

• Can I use an Allen Bradley 1606 series power supply to replace this module directly?

  No. Standard 1606 power modules take AC main voltages (like 120/230 VAC) and produce a single DC output. The 80026-518-01-R utilizes a specific 56 VDC input to generate 7 separate control voltages tailored strictly for PowerFlex drive infrastructure.

• What precautions should maintenance crews take during physical installation?

  Always isolate the medium-voltage drive and verify that the DC bus capacitors have discharged fully before mounting the power supply. Route the input and output lines through the integrated terminal blocks, and torque all connection screws to specification to prevent loose-contact thermal hotspots.

• Does this power module require external cooling fans inside the cabinet?

  The module handles convection cooling efficiently within standard 0 to 60 C operating environments. However, because it sits inside a medium-voltage drive bay alongside high-power components, you must ensure the primary cabinet ventilation fans work correctly to avoid ambient heat accumulation.