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Pin Insulators For High Voltage Lines
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Pin Insulators For High Voltage Lines
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Details
Insulators type: PL1.4/60C16/150、PL1.4/75C16/195、PL2.0/95C20/280、PL2.0/95C16/255、PL2.0/95C20/255、PL4.0/95S20/255、PL3.0/105C20/450、PL3.5/105C20/450、PL4.0/125C20/370Insulators Main Dimensions
Insulators type Fig H (mm) D (mm) Main dimensions (mm) Minimum nominal creepage distance (mm)
R1 R2 H1 H2 D1
PL1.4/60C16/150 1 90 125 11 9 130±4.5 35±2.0 M16 150
PL1.4/75C16/195 105 145 151±4.5 35±2.0 195
PL2.0/95C20/280 2 120 190 13 13 186±4.5 40±2.0 M20 280
PL2.0/95C16/255 3 133 140 13 9.5 183±4.5 40±2.0 M16 255
PL2.0/95C20/255 M20
PL4.0/95S20/255 4
PL3.0/105C20/450 5 165 228 19 14 209±6.0 40±2.0 M20 450
PL3.5/105C20/450 6
PL4.0/125C20/370 7 165 228 14 13 218±6.0 45±2.0 M20 370
See appendix B for the comparison between the insulator model and the models listed in GB / T 1000.2-1988.

Mechanical and electrical characteristics of insulators
Insulators type Fig Standard lightning impulse dry withstand voltage kV (peak) is not less than Power frequency withstand voltage wet (kV) Power frequency puncture voltage (kV) Cantilever withstand load Cantilever failing load
(r.m.s) Not less (kV) Not less (kN)
PL1.4/60C16/150 1 60 25 65 1.4 11
PL1.4/75C16/195 75 30 95
PL2.0/95C20/280 2 95 40 130 2.0 11
PL2.0/95C16/255 3 95 40 130 2.0 11
PL2.0/95C20/255
PL4.0/95S20/255 4 4.0
PL3.0/105C20/450 5 105 50 145 3.0 13
PL3.5/105S20/450 6 3.5
PL4.0/125C20/370 7 125 50 140 4.0 13
Cantilever withstand load to the load value when the insulator's load point is offset by 5 degrees from the axis when the insulator is subjected to a bending load.

Appendix B. Insulator standard No. corresponds to the models listed in BG / T 1000.2-1988
Serial number Insulator standard No. BG/T 1000.2-1988 listed models
1 PL1.4/60C16/150 P-6T
2 PL1.4/75C16/195 P-10T
3 PL2.0/95C20/280 P-15T
4 PL2.0/95C16/255 PQ1-10T16
5 PL2.0/95C20/255 PQ1-10T20
6 PL4.0/95S20/255 PQ1-10LT
7 PL3.0/110C20/450 PQ2-10T、PQ2-10BT
8 PL3.5/110S20/450 PQ2-10LT、PQ2-10BLT
9 PL2.0/132C20/370 P-20T
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