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Polymer Line Post Insulator

Launched in 2011, the polymer line post insulator is horizontally mounted and mainly used in high voltage lines. It has been exported to Africa and South America. Custom-made products can be made according to the technical parameters or drawings provided by the customers.

2.5" (63mm) Core, Standard Leakage Shed (SN) Series Line Post Insulator
Typical System Voltage
kV
Catalog No. No. of Sheds Section Length
In (mm)
Dry Arcing Distance
In (mm)
Leakage Distance
In (mm)
Low Frequency Flashover Critical Impulse Flashover Maximum Design Cantilever Load
Lbs. (kN)
Approx. Weight
Lbs. (kg)
Dry kV Wet kV Pos. kV Neg. kV
69 RLP4-SN141-DBF 14 32.1 (816) 22.3 (567.5) 57.9 (1470) 265 230 370 425 2860 (12.7) 51.3 (23.3)
69/110 RLP4-SN181-DBF 18 37.9 (963) 28.2 (717.5) 74.4 (1890) 325 285 460 515 2395 (10.6) 54.9 (24.9)
69/110 RLP4-SN211-DBF 21 42.2 (1073) 32.7 (830.0) 86.8 (2205) 370 325 525 585 2160 (9.6) 57.6 (26.1)
110 RLP4-SN251-DBF 25 48.0 (1220) 38.6 (980.0) 103.3 (2625) 425 370 615 675 1910 (8.5) 61.2 (27.8)
110/132 RLP4-SN291-DBF 29 53.8 (1366) 44.5 (1130.0) 119.9 (3045) 475 420 700 770 1670 (7.4) 64.8 (29.4)
110/132 RLP4-SN321-DBF 32 58.1 (1476) 48.9 (1242.5) 132.3 (3360) 515 450 765 840 1530 (6.8) 67.5 (30.7)
132 RLP4-SN361-DBF 36 63.9 (1623) 54.8 (1392.5) 148.8 (3780) 565 495 855 930 1375 (6.1) 71.2 (32.3)
161 RLP4-SN391-DBF 39 68.2 (1733) 59.3 (1505.0) 161.2 (4095) 600 525 920 1000 1275 (5.7) 73.9 (33.5)
161 RLP4-SN431-DBF 43 74.0 (1880) 65.2 (1655.0) 177.8 (4515) 645 565 1010 1090 1165 (5.2) 77.5 (35.2)
220 RLP4-SN471-DBF 47 79.8 (2027) 71.1 (1805.0) 194.3 (4935) 690 605 1095 1180 1075 (4.8) 81.1 (36.8)
220 RLP4-SN511-DBF 51 85.6 (2173) 77.0 (1995.0) 210.8 (5335) 730 640 1185 1275 995 (4.4) 84.7 (38.5)
230 RLP4-SN551-DBF 55 91.3 (2320) 82.9 (2105.0) 227.4 (5775) 770 675 1270 1365 925 (4.1) 88.3 (40.1)
230 RLP4-SN581-DBF 58 95.7 (2430) 87.3 (2217.5) 239.8 (6090) 800 700 1340 1435 880 (3.9) 91.1 (41.3)

Notes
1. The specified mechanical load and minimum routine test load for the drop tongue are 15,000 lbs and 7500 lbs respectively. They are 5000 lbs and 2500 lbs respectively for the clamp top.
2. The standard line fittings and base fittings available are listed below. For other special base end fittings, please contact us.
Line fittings: D – Drop Tongue or Two Hole Blade, H – Horizontal Clamp Top, V – Vertical Clamp Top, F – F-Neck, C – Clevis
Base fittings: CB – Bolt Circle Base, BC – Bendable Curved Base, BF – Bendable Flat Base, SB – 3/4" or 7/8" Stud Base, GB – Gain Base, RC – Rigid Curved Base, RF – Rigid Flat Base

Polymer Line Post Insulator
Typical System Voltage
(kV)
Catalog No. Section Length
(mm)
Dry Arcing Distance
Inch (mm)
Leakage Distance
(mm)
60Hz Lower Frequency Flashover Critical Impulse Flashover (kV) SCL Pounds
(kN)
Max. Design Cantilever Load
Pounds (KN)
Approx. Weight
Pounds (kg)
Dry
kV
Wet
kV
Pos.
kV
Neg.
kV
15 RLP1-15-HGB 318 7.3 (184) 14.4 (364) 90 70 150 140 2800 (12.5) 1235 (5.5) 9.8 (4.5)
RLP1-15-HSB 340 6.9 (3.1)
RLP1-15-VSB 324 6.5 (2.9)
RLP1-15-FSB 315 6.6 (3.0)
28 RLP1-28-HGB 370 9.9 (250) 23.3 (592) 115 80 190 175 2800 (12.5) 1235 (5.5) 10.3 (4.7)
RLP1-28-HSB 390 7.3 (3.3)
RLP1-28-VSB 375 7.0 (3.2)
RLP1-28-FSB 368 7.1 (3.2)
35 RLP1-35-HGB 442 12.5 (316) 32.3 (820) 145 115 225 210 2800 (12.5) 1235 (5.5) 11.2 (5.1)
RLP1-35-HSB 462 8.2 (3.7)
RLP1-35-VSB 448 7.8 (3.5)
RLP1-35-FSB 440 8.0 (3.6)
46 RLP2-46-DGB 498 15.4 (390) 42.2 (1071) 170 140 260 340 3150 (14.0) 1580 (7.0) 21.6 (9.8)
RLP2-46-DSB 520 16.5 (7.5)
RLP2-46-HGB 544 20.4 (9.3)
RLP2-46-HSB 552 15.7 (7.1)
RLP2-46-VSB 540 16.3 (7.4)
RLP2-46-FSB 525 15.9 (7.2)
69 RLP2-69-DGB 678 22.4 (570) 64.8 (1647) 245 195 370 340 2475 (11.0) 1240 (5.5) 24.2 (11.0)
RLP2-69-DSB 700 19.2 (8.7)
RLP2-69-HGB 723 23.3 (10.6)
RLP2-69-HSB 732 18.5 (8.4)
RLP2-69-VSB 720 18.9 (8.6)
RLP2-69-FSB 705 14.08 (6.4)
72 RLP2-72-DGB 738 24.8 (630) 72.4 (1839) 270 230 400 450 2030 (9.0) 1010 (4.5) 25.1 (11.4)
RLP2-72-DSB 760 19.8 (9.0)
RLP2-72-HGB 783 24.2 (11.0)
RLP2-72-HSB 792 19.5 (8.8)
RLP2-72-VSB 780 19.6 (8.9)
RLP2-72-FSB 765 19.4 (8.8)
69 RLP3-69-HGB 805 28.9 (710) 96.1 (2440) 325 285 460 515 5720 (23.4) 2860 (11.7) 22.0 (10.0)

Notes:
1. Maximum design tension for clamp top is 2500 pounds or 11kN.
2. RLP1 series of products use the rod with the diameter of 1.5 inch or 38mm.
3. RLP2 series of products use the rod with the diameter of 1.75 inch or 44mm.
4. RLP3 series of products use the rod with the diameter of 2 inch or 50mm.

Other Picture

Related Names
Horizontal Mounted Insulator | Strain Insulator | High Voltage Insulator

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