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Siemens 6SE6440-2UD21-5AA1
Siemens MICROMASTER 440 Inverter 6SE6440-2UD21-5AA1
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Product Description
The Siemens MICROMASTER 440 Inverter (model 6SE6440-2UD21-5AA1) is designed for demanding motor control applications. This high-performance inverter offers precise control and robust overload capabilities, making it ideal for a wide range of industrial applications. With a rated power of 1.50 kW (2.00 hp) and a rated voltage of 480 V, it ensures efficient and reliable operation.
The inverter supports 3-phase AC input and output, with a line voltage range of 380 to 480 V ±10% and a line frequency of 47 to 63 Hz. It features a high overload capability, allowing 150% output current for 60 seconds, followed by 100% output current for 240 seconds in a 300-second cycle time. The device operates efficiently with a power factor of 0.95 and an efficiency of 0.96.
Designed for versatility, the MICROMASTER 440 includes six standard digital inputs, three relay outputs, two analog inputs, and two analog outputs. It also features a PTC/KTY interface for enhanced functionality. The inverter is built to withstand harsh environments, with an ambient operating temperature range of -10 to 50°C and storage/transport temperature range of -40 to 70°C.
The mechanical design of the inverter includes a compact frame size (FSA) with dimensions of 149.0 mm height, 73.0 mm width, and 173.0 mm depth. It has a net weight of 1.30 kg and a degree of protection rated at IP20 / UL open type, ensuring reliable performance in various industrial settings.
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Offer details
- Offer from:
Trusted supplier — Poland, member since 2023, 50–99 employees - Availability:
- 3 pcs.Updated at: 21-09-2026In-Stock
- Warranty:
- 24 months
- Condition:
- Refurbished
Specifications
- Brand
- Siemens
- Rated Power (HO)
- 1.50 kW / 2.00 hp
- Rated Voltage
- 480 V
- Rated Current (HO)
- 5.90 A
- Power Factor λ
- 0.95
- Efficiency η
- 0.96
- Number of Phases
- 3 AC
Available Offers
(15)| Condition | Availability | Supplier | Warranty | Action | |
|---|---|---|---|---|---|
| Condition Refurbished | Availability 3 pcs. Updated at: 21-09-2026In-Stock | SupplierPolandTrusted supplier — member since 2023, 50–99 employees | Warranty 24 months | |
 | Condition New Surplus | Availability 5 pcs. Updated at: 15-09-2026In-Stock | Supplier GermanyTrusted supplier — member since 2024 | Warranty 24 months | |
| Condition Refurbished | Availability 6 pcs. Updated at: 15-09-2026In-Stock | SupplierGermanyTrusted supplier — member since 2024 | Warranty 24 months | |
 | Condition New Surplus | Availability 1 pc. Updated at: 21-09-2026In-Stock | Supplier CzechiaTrusted supplier — member since 2021, 50–99 employees | Warranty 24 months | |
 | Condition Refurbished | Availability 1 pc. Updated at: 21-09-2026In-Stock | SupplierCzechiaTrusted supplier — member since 2021, 50–99 employees | Warranty 24 months | |
 | Condition New Factory Sealed | Availability 3 pcs. Updated at: 19-09-2026In-Stock | Supplier United StatesTrusted supplier — member since 2023 | Warranty 12 months |
Documents
Data Sheet
Datasheet for Siemens 6SE6440-2UD21-5AA1, including specifications and features.
CAD Models
3D CAD model and technical drawings, ready for your design software.
Product data updated: 21-09-2026
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