- S: Three‑phase
- C: Solid forming (Epoxy resin casting)
- (B): Low voltage foil coil
- □: Performance level code (10,11,12,13,14,18)
- □: Rated capacity (kVA)
- □: Rated voltage (High voltage, kV)
Standards and Parameters
- Rated high voltage: 10 (11,10.5,6.6,6.3,6) kV
- Rated low voltage: 0.4 kV
- Connection group: Dyn11 or Yyn0
- Tap range: ±5% or ±2×2.5%
- Insulation level: LI75AC35/LI0AC5
- Frequency: 50 Hz
Compliant with GB/T10228‑2015, GB1094.11‑2007, GB20052‑2020, JB/T10088‑2004, GB4208‑1993, IEC60076-1, IEC60076-11.