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Schneider Electric · Altivar 31 (ATV31)
ATV312HU55N4 is a Schneider Electric variable-frequency drive with Rated power kW 5.5 kW; Overload capacity 150...170 % for 60 s; Enclosure rating IP20 (IEC 60529). 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 power kW | 5.5 kW |
|---|---|
| Supply voltage | 380...480 V AC - 15...10 % |
| Output current | 10.4 A at 4 kHz |
| Frequency | 50/60 Hz (±5 %) |
| Control method | V/f and sensorless flux vector control (PWM) |
| Overload capacity | 150...170 % for 60 s |
| Rated torque | Yes (dual channel) |
| I/O and communication | |
| Communication ports | RS485 (Modbus RTU), CANopen via RJ45 |
| Mechanical | |
| Mounting | DIN rail / panel |
| Enclosure rating | IP20 (IEC 60529) |
| Environment and compliance | |
| Operating temperature | -10...50 °C |
| Storage temperature | -25...70 °C |
| Certifications | CE, UL, CSA |
| Humidity | 5...95 % (non-condensing) |
| Degree of protection | IP20 (IEC 60529) |
Values follow the Schneider Electric Altivar 31 (ATV31) specification for this catalog number; parameters not confirmed for this variant are omitted rather than estimated.
Lifecycle: discontinued by the manufacturer. Current-production replacement: Schneider Altivar 320 / 630 series (ATV31 discontinued; confirm exact model with Schneider). Cross-reference by function and ratings, not by label alone.
| Schneider Electric Altivar 31 (ATV31) variants | |||
| Catalog number | Overload capacity | Frequency | |
|---|---|---|---|
| ATV312HU55N4 (this page) | 150...170 % for 60 s | 50/60 Hz (±5 %) | |
| ATV312HU55N4-v4669 | 150...170 % for 60 s | 50/60 Hz (±5 %) | |
| ATV312HU11N4412 | 150...170 % for 60 s | 50/60 Hz (±5 %) | |
| ATV312HU15N4 | 150...170 % for 60 s | 50/60 Hz (±5 %) | |
Verify model-specific dimensions, terminals and installation requirements in the manufacturer documentation before selecting an alternative.
The ATV312HU55N4 is the device-level element in a Schneider Electric variable-frequency drive installation. It receives the field signals and control supply listed above — 380...480 V AC - 15...10 % — and switches or conditions the load within the the rated ratings shown in the Specifications table. Wiring and protective devices are sized to those same numbers, 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 DIN rail / panel support. Record the catalog number and revision from the nameplate of the installed unit before specifying a like-for-like spare.
Schneider Electric ATV312HU55N4 — 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 ATV312HU55N4; verify the catalog number against your bill of materials before requesting a quotation.
Cross-check the ratings above with the installed device before confirming the order.
Q.Which value is published under mounting for catalog number ATV312HU55N4?
For ATV312HU55N4, mounting is given as DIN rail / panel. Check the revision of the installed unit if the catalog number has been superseded.
Q.Before ordering ATV312HU55N4, which degree of protection entry should be checked?
The degree of protection entry quoted above is IP20 (IEC 60529). Compare it with the nameplate of the installed unit before ordering.
Q.Where can I find the storage temperature data for ATV312HU55N4?
It is listed in the specification table for Schneider Electric ATV312HU55N4 as -25...70 °C. Confirm this figure against the unit currently in the panel.
Q.How do I confirm compatibility of ATV312HU55N4 before ordering?
Match the catalog number ATV312HU55N4 and the specification values listed above against the installed unit, then confirm the firmware or hardware revision where a revision-sensitive part is involved.
Q.Can the ATV312HU55N4 replace the unit currently installed in my panel?
Compare catalog number ATV312HU55N4 and the ratings above with the nameplate of the installed device. A current-production equivalent is selected by function and electrical rating, not by the label alone.
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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