porcelain insulator

The performance of the ceramic insulator as follows:

Type

U120BP

U160BP

U210BP

Unit spacing mm

160

155

170

Normial diameter mm

280

300/330

330

Norminal creepage distance mm

430

450

550

Rated E&M failing load kn

120

160

210

Routine tensile load kn

60

80

105

Coupling size

16A/16B

20

20

Impace strength N.m

10

10

10

Power frequency withstand voltage

Wet Kv

45

45

55

Dry Kv

80

80

90

Dry lightning impulse withstand voltage Kv

120

120

135

power frequency puncture voltage Kv

120

130

130

Radio interferencne volltage

Test voltage to ground Kv

10

10

10

Max.RIV at 1MHz

50

50

50

Mass per 100pcs KG

790

1030 /1050

1460

Applicable standard

GB,IEC,AS,BS




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