Capacitive-type power distribution equipment is mainly used for voltage transformation and power transmission in 35kV high-voltage networks. It is suitable for industrial and mining enterprises, urban power grids, substations, and large-scale infrastructure. This series of products features low loss, high reliability, and a fully sealed structure as its core advantages. It is an upgraded version of the S9 series, offering better performance in energy saving and operational stability.

The core advantages of the S11-35kV three-phase oil-immersed transformer lie in its energy efficiency, high reliability, and maintenance-free design. As an upgraded product of the S9 series, it has significant improvements in energy efficiency and operational stability, and is widely applicable to urban and rural power grids as well as industrial power supply systems.

Model	Rated Capacity (kVA)	Rated Voltage(kV)		Connection Group	Damage (kW)		No-load current (%)	Short-circuit impedance (%)	Weight(kg)
		High pressure	Low pressure		No load	Load(75℃)			Oil weight	Total weight
S11-50/35	50	35±15% ±2×25%	0.4	Dyn0	200	1210	1.8	6.5	320	1090
S11-100/35	100				300	2020	1.62		378	1160
S11-125/35	125				340	2380	1.56		330	1250
S11-160/35	160				360	2835	1.48		420	1290
S11-200/35	200				430	3300	1.39		460	1480
S11-250/35	250				510	3960	1.26		500	1650
S11-315/35	315				610	4760	1.26		520	1720
S11-400/35	400				733	5760	1.16		670	2130
S11-500/35	500				860	6900	1.16		690	2360
S11-630/35	630				1040	8280	1.1		750	2760

Model	Rated Capacity (kVA)	Rated Voltage(kV)		Connection Group	Damage (kW)		No-load current (%)	Short-circuit impedance (%)	Weight(kg)
		High pressure	Low pressure		No load	Load(75℃)			Oil weight	Total weight	Add more oil	Heavy transport
S11-800/35	800	35±15% ±2×25% 38.5±5% 35×5%	10.5 6.3 3.15	Yd11	1.23	9.9	0.9	6.5	880	3830	-	-
S11-1000/35	1000				1.44	12.1	0.9	6.5	980	4300	-	4010
S11-1250/35	1250				1.76	14.6	0.81	6.5	1020	4640	-	4240
S11-1600/35	1600				2.12	17.5	0.76	6.5	1180	5120	-	4610
S11-2000/35	2000				2.16	17.8	0.67	6.5	1250	5870	-	5060
S11-2500/35	2500				3.15	20.7	0.67	8.5	1390	6970	-	5.91
S11-3150/35	3150				38	24.3	0.63	7.0	1600	8020	-	6880
S11-4000/35	4000				4.25	28.8	0.63	7.0	1900	9270	-	7590
S11-5000/35	5000				5.4	33	0.54	7.0	2150	10890	-	9890

Note: The unit of weight in the original image is marked as "g", which is corrected to "kg" in the code (in line with industry norms). The value of 5.91 in the Heavy transport column of S11-2500/35 is kept consistent with the original image.