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Delta · Built-in brake choppers for the entire series
VFD037C23A-21 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.
| 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 VFD037C23A-21 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=VFD037C23A-21. 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.
| Delta Built-in brake choppers for the entire series variants | |||
| Catalog number | Overload capacity | Rated operational voltage | Frequency |
|---|---|---|---|
| VFD037C23A-21 (this page) | 150% for 60 s | 3-phase 400 V AC | 50/60 Hz (IEC 61800-2) |
| 3-phase 400 V AC | 50/60 Hz (IEC 61800-2) | ||
| 3-phase 400 V AC | 50/60 Hz (IEC 61800-2) | ||
| 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.
The VFD037C23A-21 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.
Delta VFD037C23A-21 — 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 VFD037C23A-21; size the surrounding wiring and upstream protection to these published ratings rather than to a generic assumption.
Available from stock with datasheet, certificates and a quotation on request.
Q.Which official Delta document defines VFD037C23A-21?
The official Delta download-centre catalogue search for this model lists VFD037C23A-21 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=VFD037C23A-21. Use that document as the authority for ratings and installation conditions before ordering.
Q.For VFD037C23A-21, what does the specification table state about mounting?
The specification table lists mounting = Cabinet / DIN rail for Delta VFD037C23A-21. Check the revision of the installed unit if the catalog number has been superseded.
Q.Which value is published under enclosure rating for catalog number VFD037C23A-21?
For VFD037C23A-21, enclosure rating is given as IP20 (IEC 60529). Compare it with the nameplate of the installed unit before ordering.
Q.Before ordering VFD037C23A-21, which certifications entry should be checked?
The certifications entry quoted above is CE, UL, cULus. Confirm this figure against the unit currently in the panel.
Q.What should I include in an enquiry for VFD037C23A-21?
Send the full catalog number VFD037C23A-21, the required quantity and a photo of the nameplate. Stock, lead time and the applicable compliance documents can then be confirmed for Delta VFD037C23A-21.
Q.How do I confirm compatibility of VFD037C23A-21 before ordering?
Match the catalog number VFD037C23A-21 and the specification values listed above against the installed unit, then confirm the firmware or hardware revision where a revision-sensitive part is involved.
Standard (US & Canada, tracked courier): delivered in 5–8 business days. In-stock items are processed within 2–4 business days. USD 25 flat rate on orders under $500.00; free on orders of $500.00 and above.
Express (DHL Express / FedEx International): upgraded expedited delivery in 2–4 business days. The Express surcharge is calculated at checkout based on destination and order weight.
Non-Stock / On-Order items ship on request: dispatch time is confirmed before your order — see our Shipping Policy. Shipping charges and available services are displayed at checkout. See the Shipping Policy for details.
Every product is covered by a 12-month seller warranty provided by SHLY-PLC, effective from the date of delivery, against defects in materials and workmanship under normal use.
This warranty does not cover damage from misuse, improper installation, power surges, neglect, unauthorized repair, or normal wear and tear. See our Return Policy for warranty-claim instructions.
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