... ,stable output voltage and etc,. and are widely used in power supply, electronics, lighting,rectification,voltage conversion of imported equipment and ... disruption8,Insulation resitance 500VDC ≥200MΩ9,Noise ≤65dB(stay one meter horizontal distance from the transformer)10,Prptection class IP0011,Insulation ... . Secondary Voltage 60-75-104-130V Step down dry type power transformer