Delta · VFD-S
VFD022S43B is a Delta VFD Drive. It is used in pump sets, conveyor belts, fan and compressor drives where the installed unit is matched to the original catalog number and a compact, documented part is required.
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Rated operational voltage3-phase 400 V AC
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Overload capacity150% for 60 s
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Enclosure ratingIP20 (IEC 60529)
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Frequency50/60 Hz (IEC 61800-2)
Specifications
| Electrical |
| Rated operational voltage |
3-phase 400 V AC |
| Supply voltage |
1-phase 200...240 V / 3-phase 380...480 V AC |
| Frequency |
50/60 Hz (IEC 61800-2) |
| Control method |
V/f, sensorless vector (IEC 61800-2) |
| Overload capacity |
150% for 60 s |
| Rated speed |
One high speed pulse input terminal MI7 built-in with maximum speed up to 33kHz |
| Mechanical |
| Mounting |
Cabinet / DIN rail |
| Enclosure rating |
IP20 (IEC 60529) |
| Environment and compliance |
| Operating temperature |
0...+40 °C (IEC 60068-2-1) |
| Certifications |
CE, UL, cULus |
Product type and series follow the official Delta download-centre catalogue search for this model which lists VFD022S43B under the Delta product line; the product type published for this catalog number is "VFD Drive". Source: https://downloadcenter.deltaww.com/en-US/DownloadCenter?q=VFD022S43B. Numeric ratings in the table above are the values carried on this page and must be confirmed against the original Delta manufacturer datasheet before they are treated as this catalog number's ratings; they are not estimated here.
Lifecycle: discontinued by the manufacturer. Current-production replacement: MS300. Cross-reference by function and ratings, not by label alone.
Model comparison in the same family
| Delta VFD-S variants |
| Catalog number |
Overload capacity |
Rated operational voltage |
Frequency |
|
VFD022S43B (this page) |
150% for 60 s |
3-phase 400 V AC |
50/60 Hz (IEC 61800-2) |
VFD022S43D
| 3-phase 400 V AC |
50/60 Hz (IEC 61800-2) |
VFD022S43U
| 3-phase 400 V AC |
50/60 Hz (IEC 61800-2) |
VFD022S21D
| 3-phase 400 V AC |
50/60 Hz (IEC 61800-2) |
Before selecting an alternative, confirm its dimensions, terminals and installation requirements in the manufacturer documentation.
Where it sits in the control system
The VFD022S43B is the drive element in a Delta motor installation. It supplies the motor with controlled power and carries the output frequency and overload behaviour, so the motor and the supply conductor are sized to the ratings stated in the manufacturer documentation, not to a generic assumption.
Typical installations place it in pump sets, conveyor belts, fan and compressor drives, where the unit is matched to the original catalog number and the enclosure provides Cabinet / DIN rail support. Record the catalog number and revision from the nameplate of the installed unit before specifying a like-for-like spare.
Selection notes for Delta VFD022S43B
Delta VFD022S43B — Variable frequency drive for motor speed and torque control in pumps, fans, conveyors and general industrial machinery. The figures below are taken from the specification table on this page for catalog number VFD022S43B; record the nameplate data of the unit being replaced before selecting an equivalent.
- Frequency: 50/60 Hz (IEC 61800-2) — Verify it in the project documentation before confirming the order.
- Rated operational voltage: 3-phase 400 V AC — Check this value against the nameplate of the installed unit before ordering.
- Certifications: CE, UL, cULus — Match it to the existing panel and upstream protection.
- Supply voltage: 1-phase 200...240 V / 3-phase 380...480 V AC — Record it with the other nameplate data when sourcing a replacement.
Cross-check the ratings above with the installed device before confirming the order.
Common questions about VFD022S43B
Q.Which official Delta document defines VFD022S43B?
The official Delta download-centre catalogue search for this model lists VFD022S43B under the Delta product line, and the product type published for this catalog number is "VFD Drive". The document and its official catalogue record are publicly retrievable at https://downloadcenter.deltaww.com/en-US/DownloadCenter?q=VFD022S43B. Use that document as the authority for ratings and installation conditions before ordering.
Q.Where can I find the certifications data for VFD022S43B?
It is listed in the specification table for Delta VFD022S43B as CE, UL, cULus. Compare it with the nameplate of the installed unit before ordering.
Q.For VFD022S43B, what does the specification table state about rated operational voltage?
The specification table lists rated operational voltage = 3-phase 400 V AC for Delta VFD022S43B. Confirm this figure against the unit currently in the panel.
Q.Which value is published under frequency for catalog number VFD022S43B?
For VFD022S43B, frequency is given as 50/60 Hz (IEC 61800-2). Use the value as the reference when sourcing a current-production equivalent.
Q.What should I include in an enquiry for VFD022S43B?
Send the full catalog number VFD022S43B, the required quantity and a photo of the nameplate. Stock, lead time and the applicable compliance documents can then be confirmed for Delta VFD022S43B.
Q.How do I confirm compatibility of VFD022S43B before ordering?
Match the catalog number VFD022S43B and the specification values listed above against the installed unit, then confirm the firmware or hardware revision where a revision-sensitive part is involved.