Siemens 6RA2231-6DS22-0
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Product description
Siemens 6RA2178-6DS20-0 is a regulated DC converter from the SIMOREG K 6RA21 range. The complete order number identifies the specific single-quadrant version and is decisive for spare-part identification. Documented ratings include a three-phase 380 V AC supply, output voltage up to 460 V DC and 300 A rated DC current. Power conversion uses a B6C thyristor bridge. Power, control and regulation sections form one compact assembly; MRE-GCEF and 6S20 are part of the execution designation. The Siemens operating instructions for three-phase 6RA21 single-quadrant converters place the 300-A version in the same enclosure group as units rated from 170 to 375 A. The corresponding outline drawing specifies 270 mm width, 500 mm height and 300 mm depth. Complete external dimensions are therefore stated as 270 × 500 × 300 mm in W × H × D order. The same technical-data table lists 27 kg for 6RA2178-6DS20, and the variant-specific BVS product page confirms that value. Documented protection degree for the open-format unit is IP00; a closed enclosure is not part of the converter housing. Dimensions and weight refer to the individual unit, excluding shipping packaging, external commutation chokes, additional cables and cabinet components. Technical variant identification combines order number, mains voltage, output ratings, single-quadrant operation, bridge circuit, execution code, enclosure size and connection environment. Other devices in the range may differ in current rating, voltage, operating mode or equipment. Installation, connection and commissioning are specialist activities based on the applicable Siemens and machine documentation.
The item supplied will have the stated manufacturer or type number and the stated condition category. Serial number, manufacturing date, labels, colour, packaging and normal signs of use or storage may differ. Specifications
Unless expressly confirmed, technical information is provided to identify the device type. The complete manufacturer or type number is decisive.
| Manufacturer | Siemens |
|---|---|
| Product series | SIMOREG 6RA21 |
| Manufacturer / order / identification number | 6RA2178-6DS20-0 |
| Device type | SIMOREG K converter unit |
| Function | Converter for the DC armature circuit |
| Operating mode | Single-quadrant operation |
| Circuit type | B6C bridge circuit |
| Mains connection | Three-phase |
| Supply voltage | 380 V AC |
| Output voltage | 460 V DC |
| Rated current | 300 A DC |
| Unit designation | MRE-GCEF |
| Version code | 6S20 |
| Manufacturer lifecycle | Discontinued series |
| Dimensions | 270 × 500 × 300 mm (W × H × D) |
| Weight | 27 kg |
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Send us the complete type number, destination and requested timing. We will assess whether the specific item can be supplied and which shipping options can be offered.
Any stated dispatch or delivery date is an estimate unless expressly confirmed as binding.
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What are the dimensions and weight of Siemens 6RA2178-6DS20-0?
The documented 300-A enclosure group measures 270 × 500 × 300 mm in W × H × D order. Unit weight is 27 kg.
What does D460/300 mean for Siemens 6RA2178-6DS20-0?
Within the documented device family it denotes an output voltage up to 460 V DC and a rated DC current of 300 A.
What applies if an item develops a defect within 14 days?
For the condition categories “Used, removed from an installation” and “New, old stock”, the contractual 14-day right of return in the event of a defect applies. The defect must occur within 14 calendar days after delivery and be reported in text form within the same period.
In particular, the REHA tamper-evident seal must remain fully intact and our RMA approval is required before return. In an accepted case, we decide between replacement and refund. Details in Section 11 of the Terms.
Which shipping methods and delivery times are available?
The shipping method, shipping cost and estimated delivery time are confirmed for the specific order. Depending on the item, destination and urgency, we can check parcel, express or freight shipping as well as collection.
A delivery date is binding only if we expressly confirm it as binding.
Which payment terms apply?
The payment terms stated in the checkout or order confirmation apply. Depending on the order and customer, payment is made in advance or against invoice.
International deliveries and deliveries to new customers are generally made against advance payment unless we expressly confirm another payment arrangement.
Can I return an item ordered incorrectly or found incompatible?
No. There is no general B2B right of return, exchange, cancellation or withdrawal. Incorrect or duplicate orders and a lack of suitability or compatibility with the customer’s installation are not covered by the contractual 14-day right of return in the event of a defect. Details in Section 12 of the Terms.
Can I request individual pricing for several items?
You may request an individual quotation for several items or larger quantities. We then check availability and pricing for the specific requirement; there is no entitlement to a quantity discount. Open the quick enquiry.
Do you also purchase industrial spare parts?
Yes. You can offer us automation and drive components for purchase. Please provide complete type numbers, quantities, condition details and photographs where possible.
After review, we will tell you whether a purchase is possible and on which terms. Learn more about selling industrial stock.
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