- High-side voltage
- 230 kV
- Low-side voltage
- 34.5 kV
- Listed quantity
- On request
SIEMENS 55/73/92 MVA
230 kV / 34.5 kV power transformer for sale
230 kV high side / 34.5 kV low side
Equipment photographs
Photographs of the listed Siemens transformer, serial number 211521A/01, including equipment views and nameplate details. Select an image to view it full size.







Equipment specifications
- Manufacturer
- SIEMENS
- Equipment ID
- 230GB
- Application
- Power transformer
- Power rating
- 55/73/92 MVA
- High-side voltage
- 230 kV
- Low-side voltage
- 34.5 kV
- Catalog condition
- New & unused
- Listed quantity
- On request
- Manufacture year
- 2023
- Tap changer
- De-energized tap changer (DETC); HV ±2 × 2.5%
- Manufacturer serial number
- 211521A/01
- Month / year built
- January 2023
- Tertiary voltage
- 10.62 kV
- Cooling class
- ONAN / ONAF1 / ONAF2
- Phase / frequency
- Three-phase / 60 Hz
- Temperature rise
- 65 °C
- Country of manufacture
- Italy — Siemens Energy Transformers Trento
- Nameplate shipping mass
- 115,000 lb (estimated)
- Nameplate total mass with oil
- 194,000 lb (estimated)
- Nameplate total mass without oil
- 143,300 lb (estimated)
- Nameplate total insulating liquid
- 6,800 US gallons; 50,700 lb (estimated)
- Nameplate rated site altitude
- Not exceeding 3,280 ft
- Customer order number
- 111002
- HV insulation (Um / LI / LIC / AC)
- 242 / 900 / 990 / 34 kV, as printed
- H0 neutral insulation (Um / LI / LIC / AC)
- 17 / 110 / — / 34 kV
- LV insulation (Um / LI / LIC / AC)
- 36 / 200 / 220 / 34 kV
- X0 neutral insulation (Um / LI / LIC / AC)
- 17 / 110 / — / 34 kV
- Tertiary insulation (Um / LI / LIC / AC)
- 17 / 110 / — / 34 kV
- Estimated active part mass
- 92,600 lb
- Estimated tank and fittings mass
- 20,300 lb
- Estimated removable radiator mass
- 15,800 lb
- Estimated conservator tank mass
- 4,100 lb
- Tank insulating liquid
- 5,695 US gal / 42,500 lb
- Radiator insulating liquid
- 650 US gal / 4,800 lb
- Conservator insulating liquid
- 455 US gal / 3,400 lb
Listing details
Winding connections, secondary options, included accessories, and tap-changer details must be checked against the unit-specific nameplate and drawings. The description above preserves the listed configuration.
Plan the purchase and delivery
Review the transformer procurement checklist, the technical documentation guide, and delivery planning requirements.
Looking for a different unit? Browse new & unused inventory and pre-owned transformers, or ask about additional sourcing options.
Request the technical package
Ask our team for the records available for this equipment and confirmation of its current status.
- Nameplate & winding diagram
- General arrangement drawings
- Equipment photographs
- Factory or field test reports
- Condition & service history
- Dimensions & shipping weights
Document availability varies by unit. Pricing, location, lead time, warranty, and delivery scope are provided with the quotation.
How do I confirm availability?
Email the equipment ID or call (248) 250-0407. Equipment is subject to prior sale. Current availability and allocation are confirmed in writing.
Can you coordinate transportation and installation?
Yes. We coordinate shipment preparation, oil services, heavy haul, rigging, placement, and qualified installation support as an agreed project scope. Explore full-service solutions.
What purchase and warranty options apply?
Terms depend on the equipment, condition, seller, and agreed scope. Review purchase options and request a unit-specific quotation.
Related equipment
- High-side voltage
- 230 kV
- Low-side voltage
- 34.5 kV
- Listed quantity
- On request
- High-side voltage
- 230 kV
- Low-side voltage
- 34.5 kV
- Listed quantity
- On request
