We ar looking for:Fan speed controller(different names: autotransformator, fan transformer, controller)Voltage -230V/ 50/60 Hz-1,5 A5 speeds or moreIP 54Automatic thermal switch auto transformer coils.Please send me your offerwith photo, technical parameters and the best price. I should be suitable for thefans with following parameters:Voltage 220 VFrequency 50 HzCurrent 0.80 and 0,50 AInput 180 and 110 WCountry:Poland