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Product description

The Siemens 6SE9525-8DJ50 is a frequency inverter from the MIDIMASTER Eco range and is designated as the ECO1-3000/3. The unit is designed for three-phase fan and pump drives with variable torque. According to the Siemens reference manual, this version operates from 380 to 460 V with a permissible supply tolerance of ±10 %. Its rated output current is 58 A at 400 V or 52 A at 460 V. The assigned motor rating is 30 kW or 40 HP. The enclosure provides IP20 or NEMA1 protection and contains an integrated Class A filter for radio-frequency interference suppression. Dimensions of 920 × 275 × 285 mm and a weight of 38 kg are documented for the exact order number. Additional exact product data specify an input frequency range of 47 to 63 Hz and an output voltage up to 500 V. These details clearly distinguish the unit from smaller or differently configured MIDIMASTER Eco variants. For replacement, the complete order number, supply voltage, motor rating, output current, protection rating, filter version, and mechanical installation space must match. Existing wiring, control terminals, setpoint input, and stored drive parameters are equally important. Back up all parameters and system-specific settings before removing the unit. After installation, check motor nameplate data, ramps, limits, direction of rotation, and protective functions against the machine documentation. A modern successor must not be installed without an engineering review because connections, parameterization, and dimensions may differ. The Siemens 6SE9525-8DJ50 is therefore a clearly identifiable replacement item for existing MIDIMASTER Eco systems where exact type matching limits mechanical and electrical conversion work and supports predictable recommissioning.

Siemens 6SE9525-8DJ50

Specifications

Manufacturer Siemens
Product range MIDIMASTER Eco
Manufacturer / order / identification number 6SE9525-8DJ50
Device type frequency inverter for fans and pumps
Product version ECO1-3000/3
Supply phases 3-phase
Input voltage 380–460 V ±10 %
Input frequency 47–63 Hz
Rated output current at 400 V 58 A
Rated output current at 460 V 52 A
Motor rating 30 kW
Motor rating imperial 40 HP
Output voltage 0–500 V
Protection rating IP20 / NEMA1
RFI filter integrated Class A filter
Dimensions H × W × D 920 × 275 × 285 mm
Weight 38 kg
Load characteristic variable torque
Control cabinet with PLC modules and automation components
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FAQ

Frequently asked questions

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What are the power ratings of the Siemens 6SE9525-8DJ50?

The MIDIMASTER Eco ECO1-3000/3 is rated for 30 kW or 40 HP and supplies 58 A at 400 V or 52 A at 460 V.

What must be checked when replacing the 6SE9525-8DJ50?

Compare the supply voltage, motor rating, output current, protection rating, Class A filter, dimensions, wiring, control signals, and saved drive parameters.

Is there a guarantee?

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.

How quickly do you dispatch and which shipping options are available?

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.

Which payment methods are available?

Payment is normally made by bank transfer against invoice. Payment is due within 10 calendar days of receiving the goods.

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.

Can we return items if they were ordered incorrectly?

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.

Is there a discount when ordering several items?

For larger order quantities or several items of one type, we can offer individual discounts.

Simply send us a quick enquiry - we check availability and will gladly prepare a tailored quotation with quantity pricing.

Do you also purchase industrial spare parts?

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.

The process is straightforward: email us an inventory list or overview photos at info@reha-industriekomponenten.de. We calculate a market-based purchase price and send you an offer.

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