Schneider Electric ATV28HU18N4U Altivar 28 VFD, 0.75kW, 400-500V 3-Phase
The Schneider Electric ATV28HU18N4U is an Altivar 28 (ATV28) variable-speed drive, rated 0.75 kW (1 hp) on a 400…500 V three-phase supply, with an output current of 2.3 A. The ATV28 range is a legacy AC drive (output frequency 0.5…400 Hz, 150% nominal transient current for 60 s). It is a discontinued / obsolete series. Specifications are sourced from official Altivar 28 series literature and authorized reseller technical data. Supplied by SHLY-PLC, an independent industrial automation distributor; each unit is visually inspected and functionally checked before shipment.
Key Features
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Model: ATV28HU18N4U — Altivar 28 AC drive
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Motor Power: 0.75 kW (1 hp)
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Supply: 400…500 V AC three-phase, 50/60 Hz
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Output: 0.5…400 Hz · 2.3 A · 150% transient for 60 s
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Lifecycle: Obsolete — replaced by ATV320
Technical Specifications
Official Altivar 28 series literature + authorized reseller technical data — ATV28HU18N4U
| Technical Specifications |
| Product / Range |
Altivar 28 (ATV28) · variable-speed AC drive |
| Motor Power |
0.75 kW (1 hp) |
| Supply Voltage |
400…500 V AC (400/460 V) · three-phase · 50/60 Hz |
| Input Current |
3.6 A at 400 V · 3.2 A at 460 V |
| Nominal Output Current |
2.3 A |
| Output Frequency |
0.5…400 Hz (ATV28 series) |
| Transient Current |
150% of nominal for 60 s (ATV28 series) |
| Analogue Output |
0…20 mA / 4…20 mA programmable (ATV28 series) |
| Protection |
Drive and motor thermal protection (ATV28 series) |
| Availability Status |
Obsolete — discontinued by Schneider Electric |
Model note: ATV28HU18N4U is an Altivar 28 variable-speed AC drive, 0.75 kW (1 hp), 400…500 V three-phase (N4 = 400/460/500 V class). The U suffix denotes the UK / regional version. This is a variable-speed drive, not a soft starter. The ATV28 series is a legacy 0.75…15 kW drive (output 0.5…400 Hz, 150% transient for 60 s).
Recommended replacement: Schneider Electric designates the Altivar 320 (ATV320) Machine drives series as the current successor to the obsolete ATV28 range. For the 0.75 kW / 1 hp, 400 V class, the equivalent current drive is ATV320U07N4B (0.75 kW, 380…500 V three-phase, book format). Contact us for ATV320 migration support.
Compatibility & Cross-References
Altivar 28 series (ATV28HU/M2, N4, M3, 0.75…15 kW drives). This listing is provided by an independent industrial automation distributor; brand names and part numbers are used for product identification only.
Applications
- Speed control of small three-phase asynchronous motors up to 0.75 kW
- Pumps, fans, conveyors and light machine drives
- Spare/obsolete replacement for installed ATV28 installations
Warranty & Shipping
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Availability: Stock and condition vary; contact us for real-time stock status and tested condition.
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Inspection & testing: each unit is visually inspected and functionally checked before packing.
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Delivery: orders are processed within 2-4 business days after payment confirmation; standard worldwide delivery about 5-8 business days, express available, free shipping over $500.
Warranty: 12-month seller warranty provided by SHLY-PLC. See our Return Policy for coverage and claims.
Independent supplier: Schneider Electric part ATV28HU18N4U is supplied by SHLY-PLC, an independent industrial automation distributor. Brand names and part numbers are used for product identification and remain the property of their respective owners; this listing is not affiliated with, sponsored or endorsed by the manufacturer.
Frequently Asked Questions
Q: What is the ATV28HU18N4U?
A: A Schneider Electric Altivar 28 variable-speed AC drive, 0.75 kW (1 hp), 400…500 V three-phase.
Q: Is it still in production?
A: No — the ATV28 series is obsolete; successor is the Altivar 320 (ATV320) range.
Q: Is it a VSD or soft starter?
A: A variable-speed drive.
Q: What is the supply?
A: 400…500 V AC three-phase, 50/60 Hz.
ATV28HU18N4U · Altivar 28 VFD · Technical reference data · Independently supplied by SHLY-PLC