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New & unused

SIEMENS 45/60/75 MVA
69 kV / 34.5 kV gsu transformer for sale

69 kV high side / 34.5 kV low side

Equipment ID: 10240

Nameplate & engineering drawing

Original supplied document. Read the full-resolution drawing for winding diagrams, bushing layout, CT connections and drawing notes. Blank or placeholder fields are not verified final values.

SIEMENS transformer 10240 — supplied nameplate engineering drawing
Nameplate engineering drawing — listing 10240. Select to view the full-resolution original.

Equipment specifications

Manufacturer
SIEMENS
Equipment ID
10240
Application
GSU transformer
Power rating
45/60/75 MVA
High-side voltage
69 kV
Low-side voltage
34.5 kV
Catalog condition
New & unused
Listed quantity
On request
Manufacture year
Not stated on supplied nameplate
Tap changer
De-energized tap changer (DETC), SEI 800A–72kV, 5 positions
Manufacturer shown on drawing
Siemens Energy
Nameplate reference
L07 / 10240
Drawing document
L07 ID 30000
Cooling stages
ONAN / ONAF1 / ONAF2
Phase / frequency
3-phase / 60 Hz
Temperature rise
65 °C
Standard
IEEE C57.12.00
Vector group (as printed)
YNyn0(d1)
Winding connection
HV wye / LV wye / buried delta tertiary
Buried tertiary voltage
13.8 kV
Buried tertiary ratings
10.2 / 13.6 / 17 MVA
Maximum voltage HV / LV
73 / 36 kV
HV tap voltages
72,450 / 70,725 / 69,000 / 67,275 / 65,550 V
Delivery tap
Position 3: 69,000 V; C–D connection
Winding BIL (HV/LV/HV neutral/LV neutral/tertiary)
350 / 200 / 200 / 200 / 110 kV
Bushing BIL (HV/LV/HV neutral/LV neutral/tertiary)
350 / 350 / 350 / 350 / 150 kV
Conductor material HV / LV
Copper / copper
Maximum ambient temperature
40 °C
Design altitude
1,000 m above sea level
Insulating liquid
Mineral oil
Vacuum filling design
14.7 psi
Installation and operating instructions
H1973301.302
Cooling equipment marking
cKLUM 17013–22 6/9
Country / plant shown
Colombia / Tenjo
Impedance
Not populated; shown as xx at 45 MVA
Short-circuit current at 2 seconds
Not populated
Serial number / purchase order / manufacture date
Not populated
Weights, oil volume and losses
Not populated
Nameplate dimensions
14.9 × 36 in (376 × 915 mm); overall height 39 in (990 mm)
Nameplate material
Anodized aluminum, 0.025 in (0.635 mm); black background / white letters
Drilling diameter
4 mm
PCB note
Drawing states less than 2 ppm at time of manufacture

HV tap positions and currents

TapVoltage (V)ONAN (A)ONAF2 (A)DETC connection
172450359598A–B
270725367612B–C
3 — delivery69000377628C–D
467275386644D–E
565550396661E–F

LV current

Voltage (V)ONAN (A)ONAF2 (A)
345007531255

Current-transformer data

CT groupClass / burdenRatio or connection
1–3, 7–9, 12C400 / 100 VA; TRF 2.01200:5, 1000:5, 900:5, 800:5, 600:5, 500:5, 400:5, 300:5, 200:5, 100:5; connections on drawing
13–15, 19–21C400 / 100 VA; TRF 2.01200:5 through 100:5 multi-ratio; connections on drawing
22–26C800 / 200 VA600:5, 500:5, 450:5, 450:5, 400:5, 250:5, 200:5, 100:5, 100:5, 50:5; connections on drawing
4–60.3B1.8 / 45 VA; TRF 2.0X1–X2: 600:5
16–180.3B1.8 / 45 VA; TRF 2.0X1–X2: 800:5
10 — winding temperature1.2B0.9 / 22.5 VAX1–X2: 665:5
11 — winding temperature1.2B0.9 / 22.5 VAX1–X2: 662:2
22, 23 — winding temperature1.2B0.9 / 22.5 VAX1–X2: 1260:5

CTs 10 and 22 are identified for the thermal image connected to the temperature monitor. The supplied drawing repeats CT 22 across tables; verify its final designation from the approved drawing. Operate the DETC only with the transformer de-energized.

Document scope & verification

Specifications were transcribed from the supplied nameplate drawing. Confirm the final unit nameplate, factory test report, accessories and shipping configuration before purchase. Blank fields, asterisks and draft values have not been treated as final test results. Drawing dimensions describe the nameplate itself, not the transformer footprint.

Listing details

ID: 10240. SIEMENS. 45/60/75 MVA. 69 kV / 34.5 kV. New/unused catalog condition. Ratings and technical details updated from supplied nameplate drawing; final test data and availability require confirmation.

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.

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