There are two types for the ceramic insulator,normal and anti-pollution type.ceramic anti-fog type insulator

The performance of the ceramic insulator as follows:

  ceramic anti-fog type insulator

Type		U120BP
Unit spacing		146mm
Normial diameter		280mm
Norminal creepage distance		450mm
Rated E&M failing load		120Kn
Routine tensile load		60Kn
Coupling size		16A/16B
Impace strength		10N.m
Power frequency withstand voltage	wet	45Kv
	dry	80Kv
Dry lightning impulse withstand voltage		120Kv
power frequency pumcture voltage		120Kv
Radio interferencne volltage	Test voltage to ground	10Kv
	Max.RIV at 1MHz	50
Mass per 100pcs		760Kg
Applicable standard		GB,IEC,AS,BS