1.Insulating resistance:more than10M 2.Electric strength: more than2000V 3.Useful time: 5000hours 4.Cooling uniformity

Specification:

1.Voltage: AC380V,220V,DC220V,DC110

2.Rating power: 50~500W±13.It's made of  heat sink of aluminum alloy and heating wire of high quality alloy.4.Features: small cubage, beautiful appearence, thermolysis uniformity, Fast heat conduction.5.Useful time is longer than tubular heater and it has long working time.6.It is used for Switchgear.7.According to customer request to make a modify8.Radiating area is large

Drawing:

HC Aluminum alloy pectination Moistureproof dehumidification block heater