Model NO.:S-M Usage:Combined Transformer, Power Transformer, Distribution Transformer Frequency Characteristics:Power Frequency Shape of Core:EI Brand:Hengfengyou Electric High Voltage:11kv Low Voltagewinding:0.4kv 0.415kv Frequency:50Hz/60Hz Rated Capacity:50-31500 kVA Connection Group:Dyn11 No-Load Loss:0.16-2.36kw No-Load Current:0.55- 1.3% Short-Circuit Impedance:1.3-0.55 % Ambient Temperature:-40ºC -+ 40ºC Transport Package:Wooden Case Packing Specification:630*1170*1610 Trademark:HFY Origin:China HS Code:8504210000 Production Capacity:20000