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Mitsubishi Electric MELSEC-F FX3 · PLC - Rack

Mitsubishi FX3U-16MR/DS

Order number 231498

ECS rates the FX3U-16MR/DS as phase-out: still orderable, but on its way out. This is the time to plan, not panic.

  1. Active RolloutSold and supported normally
  2. Phase OutRetirement announced, still orderable
  3. CancellationNormal sale ended, spares may remain
  4. Total DiscontinuationNo manufacturer supply or repair

ECS stage: Phase Out.

Is the Mitsubishi Electric FX3U-16MR/DS being discontinued?

On ECS's lifecycle assessment, the FX3U-16MR/DS is in phase-out: still orderable for now, but on its way out.

Source: ECS lifecycle assessment, based on ECS's internal lifecycle data in Command Centre. Last checked . Always confirm a specific part's status with the manufacturer before buying or planning a migration.

What Phase Out means for you

The manufacturer is retiring the part, but you can still buy it. Nothing needs ripping out. Four things are worth doing while it is still easy: find every unit you run, make sure you know where each one is, decide whether to hold spares, and price the move.

How ECS defines Phase Out · all four lifecycle stages

Before replacing it

A replacement decision starts with understanding how the existing machine uses the part, not simply finding something with a similar specification. We would document the electrical interfaces, configuration, software dependencies and surrounding components before choosing an alternative.

That establishes whether the part can genuinely be swapped or whether the change reaches into a wider section of the control system, and turns an obsolete-spare problem into a planned engineering task with a tested recovery route.

ECS engineering guidance

FX3U-16MR/DS part details

Manufacturer
Mitsubishi Electric
Range
MELSEC-F FX3
Summary
Base Unit DC 24V; 8 inputs (24V DC), 8 relay outputs Order acceptance to 31 March 2028 - Discontinuation 30 September 2028 - Repair support until 30 September 2035

Common questions about the FX3U-16MR/DS

Is the Mitsubishi Electric FX3U-16MR/DS being discontinued?

On ECS's lifecycle assessment, the FX3U-16MR/DS is in phase-out: still orderable for now, but on its way out.

Can I still buy a FX3U-16MR/DS?

Yes, through normal channels during the phase-out period. It is the cheapest point to buy any spares you want to hold.

An ECS engineer capturing a control panel on a tablet: PLC, drive and power supply identified and synced to Command Centre

Know where every unit is before one fails.

A Capture audit finds every FX3U-16MR/DS on your site, photographs it where it sits and checks it against manufacturer lifecycle status, so you know your exposure and where your spares are before a failure stops a line.

  • Every device located, photographed and lifecycle-checked
  • Findings report, plus a populated Command Centre
  • No production downtime
See how Capture works

Other MELSEC-F FX3 parts

All Mitsubishi Electric parts · All manufacturers