IEC 60898-1 Ball Pressure Test Apparatus For MCCB Heat Resistance Test

Standards & Clauses:

The ball pressure tester conforms to many standard requirements like IEC 60898-1:2015 clause 9.14, IEC 60884-1 clause 25.2, 25.3, figure 37, IEC 60669-1 clause 21.3 and 21.4 figure 19, etc.

Product Information:

It is used for testing the heat resistance of the electrical enclosure and external parts which are made up with the insulating materials. It is applicable to electrotechnical equipment and its subassemblies and components. It is also used for solid electrical insulating materials except ceramics.

In this test, a conditioned specimen is placed on a preheated support and subjected to a force of 20N applied through a 5mm steel ball. The test stand, specimen and loading device are then kept in an oven at an elevated temperature for an hour. After the hour, the loading device is removed from the sample, the sample is cooled and any indentation is measured. It is important to assure that the test stand has reached a stable elevated temperature as required by the test.

Technical Parameters:

Ball Diameter: Ø5mm ±0.05mm

Ball Pressure:20N±0.2N (includes loading device and ball)

Test Stand: 100mm high x 50mm diameter, Hole Diameter:1.2mm

Material: Stainless steel

Ball: Hardened steel

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