Oil-Immersed Transformer

S13-M Series Oil-Immersed Distribution Transformer

High-efficiency flagship oil-immersed series with no-load loss around 30% lower than S11. It combines a fully sealed, maintenance-free corrugated tank with a cold-rolled silicon-steel core.

Rated Voltage	6 / 6.3 / 10 / 10.5 / 11 kV
Capacity	30 – 1600 kVA (larger on request)
LV Voltage	0.4 kV
Connection	Dyn11 / Yyn0
Tap Range	±5% or ±2×2.5%
Impedance	4.0% (30–500 kVA) / 4.5% (630–1600 kVA)
Cooling	ONAN
Standards	GB 1094 / GB/T 6451-2015 / IEC 60076

✓ Backed by a 12-month warranty.

✓ Full per-rating loss table (no-load & load losses, impedance & connection) is included in the downloadable datasheet.