Siemens 6SE6440-2UD21-5AA1
€390.00
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The Siemens 6SE6440-2UD25-5CA1 is a MICROMASTER 440 frequency inverter for demanding speed and torque control duties in industrial machinery. It operates from a three-phase 380 to 480 V AC supply with a frequency of 47 to 63 Hz. Siemens specifies the FSC frame for 7.5 kW or 10 hp under light overload and 5.5 kW or 7.5 hp under high overload. This makes the unit suitable for conveyors, pumps, fans and other controlled standard drives when the motor, load profile and engineering match the exact variant. The inverter provides six digital inputs, three relay outputs, two analog inputs and two analog outputs. A dedicated interface supports motor temperature evaluation using a PTC or KTY sensor. In U/f operation, the output frequency extends to 650 Hz; productive operation is subject to the 550 Hz legal limit stated by Siemens. The unit uses forced-air cooling, offers IP20 protection or UL Open Type construction, and is intended for installation in a control cabinet. Under high overload, an output current of 150 percent for 60 seconds is documented. The dimensions are 185 × 245 × 195 mm and the net weight is 5.5 kg. The complete order number 6SE6440-2UD25-5CA1 is essential for a planned replacement. Before commissioning, verify the mains voltage, motor ratings, braking and ramp parameters, I/O assignment, installed option modules, EMC concept and the machine's backed-up parameter set. Installation, wiring and parameterization must be carried out by qualified personnel. This allows the MICROMASTER 440 to be used as a targeted replacement in an existing drive system without claiming general interchangeability with adjacent power or voltage variants.
| Manufacturer | Siemens |
|---|---|
| Product series | MICROMASTER 440 |
| Manufacturer/order/identification number | 6SE6440-2UD25-5CA1 |
| Device type | Frequency inverter |
| Mains connection | 3 AC 380–480 V, ±10 % |
| Mains frequency | 47–63 Hz |
| Rated power, light overload | 7.5 kW / 10 hp |
| Rated power, high overload | 5.5 kW / 7.5 hp |
| Output current, light overload | 19 A |
| Output current, high overload | 13.2 A |
| Output frequency | 0–650 Hz in U/f operation; productive limit 550 Hz |
| Inputs and outputs | 6 digital inputs, 3 relay outputs, 2 analog inputs, 2 analog outputs |
| Motor temperature evaluation | 1 interface for PTC or KTY |
| Cooling | Forced-air cooling with fan |
| Degree of protection | IP20 / UL Open Type |
| Frame size and dimensions | FSC, 185 × 245 × 195 mm |
| Net weight | 5.5 kg |
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Siemens specifies 7.5 kW under light overload and 5.5 kW under high overload on a three-phase 380 to 480 V AC supply.
Check the complete order number, mains and motor ratings, load profile, I/O assignment, option modules, EMC concept and the backed-up parameter set.
Yes, we provide a 14-day functional guarantee for used items. This means the component must be operational when received.
Please note that the guarantee only applies when the warranty seal is undamaged.
If a defect occurs within 14 calendar days, please contact us in writing. Subject to availability, we will provide a replacement or refund the full purchase price after return.
Further details are provided in the terms and conditions supplied with your quotation.
We generally dispatch immediately - in many cases on the same working day. For particularly urgent requirements or machine downtime, we find a suitable solution as quickly as possible and provide a specific delivery window on request.
Express shipping or collection from our premises is also possible, depending on the situation. State your requirements during the ordering process or contact us directly.
We ship worldwide and work with reliable shipping partners, from parcel services to freight forwarding. Freight shipments normally require some preparation so the goods arrive safely and undamaged.
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As a rule, we offer purchase on account for all customers. In individual cases, such as new customers or particularly high-value components, we may agree advance payment. This decision is made individually and communicated transparently.
Because we sell exclusively to business customers (B2B), there is no general right of return and no consumer right of withdrawal.
Please note that returns of functioning goods are generally excluded. In justified exceptional cases, we can assess an individual solution, but this is not the standard procedure.
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Yes, we also purchase automation components, such as frequency inverters, PLC assemblies, panels, servo motors and CPUs. Components from Siemens, Lenze, Schneider Electric, Control Techniques or Heidenhain are especially sought after, and other brands are also possible.
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