Siemens 6SE6400-3CC00-4AB3
€140.00
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The Siemens 4EP3800-2US00 is a three-phase line reactor for frequency converters and DC converters. Installed in the line supply, it reduces conducted line feedback generated by power-electronic loads. Siemens specifies an operating voltage range of 400 to 480 V AC at 50–60 Hz. Rated current is 45 A and the documented maximum current is 50 A. With a rated inductance of 0.282 mH and a relative inductive voltage drop of 2 %, the reactor is designed for a clearly defined current and voltage class. Power loss is divided into 54 W winding losses and 19.2 W core losses. These values are important for control-cabinet ventilation and the rated ambient temperature of 40 °C. The open IP00 design uses flat terminals for the main circuit and belongs to insulation class B. With dimensions of approximately 178 × 153 × 120 mm and a net weight of 5,281 kg, the reactor requires a load-bearing mounting surface with adequate air and creepage clearances. The design complies with EN 61558-2-20 and is listed by Siemens as a UL/CSA-recognized reactor. For a safe replacement, the complete Siemens order number 4EP3800-2US00, number of phases, line voltage, frequency, current class, inductance and terminal geometry must match. Fuses, conductor cross-sections, converter rating, mounting position and cooling clearance must also be compared with the system documentation. A similar-looking reactor with a different current rating or voltage drop can alter line and converter behavior. The unit is therefore suitable for targeted maintenance of established Siemens drive cabinets designed for this exact 45-A and 480-V class. Its unambiguous catalog data supports purchasing and precise assignment.
| Manufacturer | Siemens |
|---|---|
| Product series | Siemens 4EP reactors |
| Manufacturer / order / identification number | 4EP3800-2US00 |
| Device type | Line reactor for frequency converters |
| Number of phases | 3 |
| Voltage type | AC |
| Operating voltage | 400–480 V AC |
| Operating frequency | 50–60 Hz |
| Rated current | 45 A |
| Maximum current | 50 A |
| Rated inductance | 0.282 mH |
| Relative inductive voltage drop | 2 % |
| Winding losses | 54 W |
| Core losses | 19.2 W |
| Thermal class | B |
| Rated ambient temperature | 40 °C |
| Degree of protection | IP00 |
| Main-circuit connection | Flat terminal |
| Dimensions | 178 × 153 × 120 mm |
| Net weight | 5,281 kg |
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The documented ratings are 400–480 V AC, 50–60 Hz, 45 A rated current, 50 A maximum current, 0.282 mH rated inductance and 2 % relative inductive voltage drop.
The open IP00 reactor requires matching flat terminals, adequate air and creepage clearances, load-bearing mounting and cooling for 54 W winding losses plus 19.2 W core losses.
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.
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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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