Model	Rated power(kVA)	High side voltage level(kV)	Low side voltage level(kV)	Cooling method	Connection symbol	High-voltage tap	Regulation	Oil weight(kg)	Gauge(cm)	Intermediate side voltage class(kV)	High to intermediate reactance voltage(%)	High to low reactance voltage(%)	Intermediate to low reactance voltage(%)	High to intermediate no-load loss(kW)	High to low no-load loss(kW)	Intermediate to low no-load loss(kW)
SFSZ11-240000/220	240000		10.5/11/35/37/38.5	air cooling	YNd11/Yyn0	±8×1.25%	on-load voltage regulation			115/121				8~18	28~42	18~32
SFSZ11-180000/220	180000		10.5/11/35/37/38.5	air cooling	YNd11/Yyn0	±8×1.25%	on-load voltage regulation			115/121				8~17	28~41	18~31
SFSZ11-150000/220	150000		10.5/11/35/37/38.5	air cooling	YNd11/Yyn0	±8×1.25%	on-load voltage regulation			115/121				8~16	28~40	18~30
SFSZ11-120000/220	120000		10.5/11/35/37/38.5	air cooling	YNd11/Yyn0	±8×1.25%	on-load voltage regulation			115/121				8~15	28~39	18~29
SFSZ11-240000/220	240000		10.5/11/35/37/38.5	air cooling	YNd11/Yyn0	±8×1.25%	on-load voltage regulation			69/115/121				12~14	22~24	7~9
SFSZ11-180000/220	180000		10.5/11/35/37/38.5	air cooling	YNd11/Yyn0	±8×1.25%	on-load voltage regulation			69/115/121				12~14	22~24	7~9
SFSZ11-150000/220	150000		10.5/11/35/37/38.5	air cooling	YNd11/Yyn0	±8×1.25%	on-load voltage regulation			69/115/121				12~14	22~24	7~9
SFSZ11-120000/220	120000		10.5/11/35/37/38.5	air cooling	YNd11/Yyn0	±8×1.25%	on-load voltage regulation			69/115/121				12~14	22~24	7~9
SFS11-300000/220	300000		11/13.8/15.75/35/37/38.5	air cooling	YNd11/Yyn0	±2×2.5%	off-circuit voltage regulation			69/115/121	22~24	12~14	7~9	12~14	22~24	7~9
SFS11-240000/220	240000		11/13.8/15.75/35/37/38.5	air cooling	YNd11/Yyn0	±2×2.5%	off-circuit voltage regulation			69/115/121	22~24	12~14	7~9	12~14	22~24	7~9
SFS11-180000/220	180000		11/13.8/15.75/35/37/38.5	air cooling	YNd11/Yyn0	±2×2.5%	off-circuit voltage regulation			69/115/121	22~24	12~14	7~9	12~14	22~24	7~9
SFS11-150000/220	150000		11/13.8/15.75/35/37/38.5	air cooling	YNd11/Yyn0	±2×2.5%	off-circuit voltage regulation			69/115/121	22~24	12~14	7~9	12~14	22~24	7~9
SFS11-120000/220	120000		10.5/11/13.8/35/37/38.5	air cooling	YNd11/Yyn0	±2×2.5%	off-circuit voltage regulation			69/115/121	22~24	12~14	7~9	12~14	22~24	7~9