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Danfoss VLT Micro Drive FC 51 · AC-VSD (Variable Speed Drive)

Danfoss FC-051PK37S2E20H3XXCXXXSXXX

Normal sale of the FC-051PK37S2E20H3XXCXXXSXXX has ended. Spares may still be available, but the clock is running.

  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: Cancellation. Danfoss's published term: Limited phase (限制阶段) – no longer produced; limited spares, maintenance and repair.

Is the Danfoss FC-051PK37S2E20H3XXCXXXSXXX discontinued?

The FC-051PK37S2E20H3XXCXXXSXXX has been cancelled: no longer sold as a current product, though spares may remain available for a period.

Source: Danfoss. Last checked . Always confirm a specific part's status with the manufacturer before buying or planning a migration.

What Cancellation means for you

You can no longer order it as a normal product, and nothing new should be designed around it. If machines depend on it, you want spare stock you can rely on and a migration plan. Both start with knowing how many you run and whether each has a backup.

How ECS defines Cancellation · all four lifecycle stages

Before replacing a variable speed drive

Matching the motor power and supply voltage is only the start with a drive replacement. We would capture the full parameter set, motor nameplate data, acceleration and deceleration behaviour, control terminals, braking arrangement and any network communications.

Even a manufacturer-recommended successor can use different parameter numbering or I/O behaviour. A verified parameter backup taken while the drive is healthy is normally far easier to work from than reconstructing the machine setup after a failure.

ECS engineering guidance

FC-051PK37S2E20H3XXCXXXSXXX part details

Manufacturer
Danfoss
Range
VLT Micro Drive FC 51
Name
0.37 KW VLT Micro Drive FC-51
Summary
A 0.37 kW VLT Micro Drive FC 51 compact variable speed drive for single-phase 200–240 V supplies, IP20 chassis with integrated RFI filter and coated PCB.
Programming software
VLT® Motion Control Tool MCT 10
Software versions
Held in Command Centre, matched to firmware

Common questions about the FC-051PK37S2E20H3XXCXXXSXXX

Is the Danfoss FC-051PK37S2E20H3XXCXXXSXXX discontinued?

The FC-051PK37S2E20H3XXCXXXSXXX has been cancelled: no longer sold as a current product, though spares may remain available for a period.

Can I still buy a FC-051PK37S2E20H3XXCXXXSXXX?

Not as a normal new product. Remaining distributor stock or designated spares may still be available. Buy any you need now.

How do I back up a FC-051PK37S2E20H3XXCXXXSXXX?

It is programmed with VLT® Motion Control Tool MCT 10. The exact software version and cable depend on the unit's firmware. ECS records both for every unit it captures, alongside a verified backup.

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

With a backup, a failed unit is hours. Without one, it is days.

A Capture audit finds every FC-051PK37S2E20H3XXCXXXSXXX on your site, takes a backup of each one it can reach, and records the software version and cable needed to restore it. When a discontinued unit fails and a replacement turns up, the program is ready to load.

  • Every device located, photographed and lifecycle-checked
  • Backups taken on the day, with software version and cable recorded
  • Findings report, plus a populated Command Centre
  • No production downtime
See how Capture works

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