Siemens MICROMASTER Vector and MIDIMASTER Vector (root 6SE32)

With the root 6SE32 Siemens identifies the MICROMASTER Vector (MMV) and MIDIMASTER Vector (MDV) inverters, with vector control for more stable torque even at low speeds. MICROMASTER Vector units cover low power ratings, MIDIMASTER Vector units medium and high ratings.

The E-Repair catalogue covers about 80 part numbers from these series.

⚙️ Versions in the catalogue

The number after the slash indicates the supply voltage: /2 for 208 – 240 V, /3 for 380 – 500 V and /4 for 525 – 575 V. Many models are available with or without an integrated class A filter. The catalogue also includes dedicated braking resistors.

👉 6SE3211-1DA40 – MICROMASTER Vector

👉 6SE3223-0DH40 – MIDIMASTER Vector

👉 6SE3231-0CK40 – MIDIMASTER Vector

👉 Search the catalogue: 6SE321 · 6SE322 · 6SE323

⚠️ Typical faults

• power modules damaged by overloads or motor faults
• degraded DC link capacitors
• control boards with aged components
• worn fans and overtemperature, especially on MIDIMASTER units

🛠️ E-Repair services for MICROMASTER Vector and MIDIMASTER Vector

As Approved Partner Siemens – Industry Services, E-Repair supports production continuity:

🔧 Component-level repair in E-Repair's certified in-house laboratory, with diagnosis and repair where technically feasible.

♻️ Refurbishment with replacement of components subject to ageing and functional testing according to the agreed scope of work.

🚚 Advance replacement with a refurbished or new product, if available in stock and after a compatibility check.

💾 Support in saving and restoring parameters.

🛠️ On-site and remote technical assistance for diagnosis and recommissioning.

✅ Standard 12-month warranty on the services for which it applies, extendable up to 24 months under the applicable conditions.

❓ Frequently asked questions

✔️ What is the difference between MICROMASTER Vector and MIDIMASTER Vector?

They are the same technology in different sizes: MICROMASTER Vector for low power ratings, MIDIMASTER Vector for medium and high ratings.

✔️ Can they be repaired?

Yes, in most cases. E-Repair carries out a component-level diagnosis.

✔️ What is needed for the diagnosis?

The full part number from the rating plate, a description of the fault and the data of the connected motor.

📚 Further reading

👉 MICROMASTER range · 👉 First generation SIMOVERT P · 👉 MICROMASTER ECO and MIDIMASTER ECO

ℹ️ The information provided is general and indicative. Before purchase, installation or commissioning, check the data against the official Siemens documentation or contact E-Repair.