IEC60587 High Voltage Tracking Test Apparatus

Test current

5~60mA

Filter-paper size

Manufactured according IEC60587 figure 9, the thickness is 0.15mm to 0.17mm

Dropping device

1). the height of dropping device is adjustable

2). flow rate:0.075ml/min~0.9ml/min (adjustable)

3). the test time can be preset

Contaminant

1). 0.1%±0.002% by mass of NH4CL analytical quality and 0.02%±0.002% by mass of isooctylphenoxypolyethoxyethanol (a non-ionic wetting agent) in distilled or de-ionized water

2). the contaminant shall have a resistivity of 3.95Ωm±0.05Ωm at 23℃±1℃

Electrode

Top electrode and bottom electrode are made of stainless steel with thickness of 0.5mm, the sizes are completely designed according to IEC60587 figures 4 and 5, the distance between top electrode and bottom electrode is 50±0.5mm

Protection measures

All parts are insulated except the electrodes and other metal parts required by standard, and equipped with plexiglass observation window

Judgment criteria

Criterion A: The end point is reached when the current in the high voltage through the specimen exceeds 60mA, the over-current device then breaks this current not before 2s, or when a specimen shows a hole due to intensive erosion or the specimen ignites.

Criterion B: The end point is reached when the track reaches a mark on the specimen surface 25mm from the lower electrode or when a specimen shows a hole due to intensive erosion or the specimen ignites.

Working Power

380V/50Hz