1.Insulating resistance:more than10M 2.Electric strength: more than2000V 3.Useful time:more 5000hours 4.Rating power: 50~500W

Descriptions:

Blocky calorifier heating apparatus , calorifier ,blocky apparatus

1.Insulating resistance:more than10M2.Electric strength: more than2000V3.Useful time: aa5000hours4.Rating power: 50~500W±1

5.Voltage: AC380V,220V,DC220V,DC1106.It's made of  heat sink of aluminum alloy and heating wire of high quality alloy.7.Features: small cubage, beautiful appearence, thermolysis uniformity, Fast heat conduction.8.Useful time is longer than tubular heater and it has long working time.9.It is used for Switchgear.10.According to customer request to make a modify11.If you have any request, please do not hesitate to contact us. We will provide a reasonable quotation and best quality products.Thank you for your attention.

The detail  pictures: 

Installation picture:

Blocky calorifier heating apparatus