Composite Crossarm Insulators

Composite crossarm insulators are lightweight, high-strength insulating devices used in overhead power transmission. Compared to traditional porcelain or steel crossarms, they offer superior pollution resistance, hydrophobic surfaces, and excellent mechanical durability. These insulators reduce tower weight and size, simplify installation, and lower maintenance costs. Ideal for urban and high-voltage applications, they improve line reliability and allow upgrades without major infrastructure changes. Composite crossarm insulators are a modern, efficient solution for durable and safe power transmission systems.

Category:

Model Rated
Voltage
Specified
Mechanical
Tensile Load
(SML)
Section
Length
H
Polymer
Length
L
Minimum
Creepage
Distance
Lightning
Impulse
Withstand
Voltage
I min Power
Frequency
Withstand
Voltage(KV)
I min Power
Frequency
Withstand
Voltage(KV)
KV KN mm mm mm KV Dry Wet
FS-10/2.5 10 2.5 445 310 452 110 60 50
FS-10/5 10 5 254 260 450 110 60 50
FS-10/70 10 70-tensile 300+L 192 360 125 60 30
FS-10/8 10 8 210+L 160 380 135 70 50
FS-20/6 20 6 415 298 800 145 95 75
FS-25/12 25 12 760 480 1630 270 160 130
FS-25/12 25 12 760 480 1630 270 160 130
FS-25/12 25 16 800 530 1700 270 160 130
FS-25/16 25 16 800 530 1700 270 160 130
FS-25/16 25 16 890 650 1880 320 190 153
ES-25/8 25 8 670 430 1300 300 190 150
FS-25/8 25 8 840 520 164 270 160 130
FS-27/54 27 54-tensile 550 340 955 260 150 125
FS-27/100 27 100-tensile 540 340 1058 260 150 125
FS-27/54 27 54-tensile 485 340 955 260 150 125
FS-27/54 27 54-tensile 580 340 955 260 150 125
FS-35/6 35 6 620 506 1200 200 130 100
FS-35/8 35 8 620 500 1180 200 130 100
FS-66/12.5 66 12.5 877 708 2065 430 160 140
FS-110/5 110 5 1355 1060 3210 550 265 230

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