Name: electronic transformer P/N: SBHA-400-JH Spec.: Input voltage:220/240Vac 47--63Hz 2Aac--2.3Aac Output voltage: 36Vac range(2--11A) To1.less or equal positive&negative 5%.Frequency:(10--25)kHz 12Vac range:(0.1--0.5A) To1.less or equal positive&negative2% Heat dissipate: cooling free air convection,need perfect air convection Dimension : L300*W340*H180mm3 ; Install dimension:L300*W340mm2 weight :290g