Autotransformers

An autotransformer, also known as a step-down transformer, is an electrical transformer with only one winding. The winding has at least 3 taps where electrical connections are made. Autotransformers have the benefit of being small, light and cheap compared to dual-winding transformers.Autotransformers are used to step up or step down voltages in the 110V-115V-120V range and 220V-230V-240V range. This allows electrical equipment from the US to be fed from higher European voltage.Applications Can be used as a method of soft starting induction motors In UK railway applications In audio applications, tapped autotransformers are used to adapt speakers to constant-voltage distribution systems Power applications to interconnect systems operating at different voltages Special autotransformers are used on rural power distribution lines so that customers further away receive the same average voltage as ones nearer to the source

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Description Price Primary Voltage Rating Secondary Voltage Rating Power Rating Construction Mounting Type Core Type Termination Type Length Dimensions Width Depth Minimum Operating Frequency Maximum Operating Frequency Minimum Temperature
RS庫存編號 504-199
BrandRS PRO
HK$754.35
單位
220 V ac, 230 V ac, 240 V ac 115V ac 250VA Enclosed Chassis Mount, Floor Standing, Wall Mount - - 81mm 81 x 136 x 100mm 136mm 100mm 50Hz 60Hz -
RS庫存編號 436-9842
製造零件編號AIM10/5
BrandBlock
HK$2,074.62
單位
115 V ac, 230 V ac 115 V ac, 220 V ac, 230 V ac, 240 V ac - Enclosed Panel Mount - Screw 283mm 283 x 200 x 165mm 165mm 200mm 50Hz 60Hz -20°C
RS庫存編號 504-189
BrandRS PRO
HK$659.97
單位
220 V ac, 230 V ac, 240 V ac 115V ac 150VA Enclosed Chassis Mount, Floor Standing, Wall Mount - - 73mm 73 x 120 x 89mm 120mm 89mm 50Hz 60Hz -
RS庫存編號 293-2678
製造零件編號AIM 5.0/2.5
BrandBlock
HK$931.42
單位
115 V ac, 230 V ac 115 V ac, 220 V ac, 230 V ac - Enclosed Panel Mount - Screw 223mm 223 x 97 x 117mm 97mm 117mm 50Hz 60Hz -20°C
RS庫存編號 504-183
BrandRS PRO
HK$670.50
單位
220 V ac, 230 V ac, 240 V ac 115V ac 100VA Enclosed Chassis Mount, Floor Standing, Wall Mount - - 65mm 65 x 115 x 78mm 115mm 78mm 50Hz 60Hz -