7500/10500 kVA substation transformer, 34.5 kV delta to 4.16Y/2.4 kV
$95,000
7500 kVA substation transformers, 69 kV delta to 12.47Y/7.2 kV
- Year built
- Not stated
- In service
- Not stated
- Serial no.
- ST090159751, 210512-13 and 260928-13
- Manufacturer
- Various: T&R Electric and Sunbelt
Price and quote
Price on request3 available
Price for the equipment. Your quote adds testing and delivery to your site.
- Tested before it ships, and you see the report first
- Delivered to your site, with rigging and freight quoted up front
- Confirmed with the seller before we quote
Specifications
- Rating
- 7,500 kVA
- Primary
- 69,000 V delta
- Secondary
- 12,470Y/7,200 V
- Full-load current
- 347 A at 12.47 kV calculated from its rating
- Phase
- 3-phase
- Taps
- ±2 × 2.5%
- Impedance
- 6.26% to 8.75% across the 3 units
- Tap changer
- 1 of the 3 units marked with a load tap changer
- Weight
- 47,450 to 60,800 lb
- Fluid
- Oil, 1,843 to 2,858 gal per unit
- Makes
- T&R Electric (2), Sunbelt (1)
About this unit
Three 69 kV station units with 12.47Y/7.2 kV secondaries in the stock of T&R Electric of Colman, South Dakota, from T&R Electric and Sunbelt, each listed by record number with serial, impedance, weight and oil volume. One of the T&R Electric units is marked with a load tap changer. The table gives no year or condition for any unit.
Listed October 18, 2026