Pin type porcelain insulators

type

P-11-Y

P-15-Y

P-22-Y

P-33-Y

P-36-Y

Dimensions

Diameter

mm

135

152

230

280

320

Height

mm

140

137

165

244

245

Total creepage distance

mm

254

298

432

630

900

Protected creepage distance

mm

102

133

200

267

450

Recommended pin height

mm

152

165

178

216

305

Mechanical Values

Cantilever strength

kn

11

11

11

11

10

Electrical Values

Type application voltage

kv

11

15

22

33

36

Power frequency dry flashover voltage

kv

75

80

100

135

160

Power frequency wet flashover voltage

kv

50

55

60

85

110

50% impulse flashover voltage,positive

kv

115

130

160

185

190

50% impulse flashover voltage,negative

kv

150

175

205

205

200

Power frequency puncture voltage

kv

150

135

145

185

200

Radio influence Voltage Data

Test voltage RMS to ground

kv

15

15

22

30

22

Maximum RIV at 1000kHz

μv

100

100

100

200

30dB

Net weight,approximate

kg

1.8

2.0

5.0

11.5

12.5