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Composite insulators and fittings
 
·　Composite insulators and fittings
Dimensions tolerance acc,to IEC61109
·Main techical parameters
Item Dongwoo Standard
Electrical ratings Rated voltage 45kV 35kV 25kV 15kV
Low frequency dry flashover voltage test 190kV 170kV 150kV 100kV
Low frequency wet flashover voltage test 170kV 140kV 115kV 70kV
Critical impulse fcashover voltage test Positive 275kV 255kV 235kV 180kV
Negative 370kV 345kV 320kV 260kV
Radio influence voltage test Max.voltage test 1μ/(Max) 1μ/(Max) 1μ/(Max) 1μ/(Max)
Mechanical Failing load test 10,000kgf 10,000kgf 10,000kgf 10,000kgf
Number of sheds 10 8 6 4
Dimensions Section Length 630mm 540mm 449mm 352mm
Leakage distance 2190mm 886mm 674mm 445mm
Minimum arcing distance 1100mm 410mm 320mm 215mm
· Composite insulators and fittings
All the end fittings listed in the table below refer for what is stated in IEC61466-1(02-1997)standard.
TYPE Code 70KN 120KN 160KN 210KN
BALL
B		 Size 16 
IEC60 120		 Size 16
IEC60 120		 Size 20
IEC60 120		 Size 20
IEC60 120
SOCKET
S		 Size 16
IEC60 120		 Size 16
IEC60 120		 Size 20
IEC60 120		 Size 20
IEC60 120
TONGUE
T		 Size 16N
A=17.0
B=20.0
C=17.5		 Size 19N
A=16
B=27
C=24		 Size 19N
A=16
B=27
C=24		 Size 20N
A=22
B=26
C=24
CLEVIS
C		 Size 16N
A=18.0
B=8.00
C=34.8
D=17.5		 Size 19N
A=23.0
B=11.5
C=38.0
D=20.0		 Size 19N
A=23.0
B=11.5
C=38.0
D=20.0		 Size 20N
A=26.0
B=15.0
C=43.0
D=22.0
EYE
E		 Size 17
A=44
B=20
C=31
D=45
E=12		 Size 24
A=62
B=26
C=52
D=70
E=18		 Size 24
A=62
B=26
C=52
D=70
E=18		 Size 25 
A=70
B=26
C=52
D=74
E=22
Y-CLEVIS
Y		 Size 199
H=40		 Size 19
H=40		 Size 19 
H=40		 Size 22
H=40
Composite Suspension or Tension Insulator Silicone Rubber Type RL-can-*class 70kN or class 120kN
 
· Composite Suspension or Tension Insulator Silicone Rubber Type RL-can-*class 70kN or class 120kN
Dimensions tolerance acc,to IEC61109
Selection Guide
(Line Voltage,kv)		 Catalogue Code(◆) N°of Sheds A n°(1) Length L ±10 mm Leakage distance mm Minimnn arcing distance mm Power frequency withstand 50Hz Lightning impul. withstand 1,2/50 Weight~kg
12 17 24 36 45 66 Dry
kV		 Wet 
kV		 posit kV negat
.kV
            RL-CAN-* 2 366 295 166 65 55 100 110 1.5
            RL-CAN-* 3 407 435 207 75 60 130 140 1.6
            RL-CAN-* 4 540 540 248 85 70 160 170 1.7
            RL-CAN-* 5 680 680 289 100 85 180 200 1.8
            RL-CAN-* 6 785 785 330 110 100 200 230 1.9
            RL-CAN-* 7 571 925 336 120 110 220 250 2.0
            RL-CAN-* 8 612 1030 412 135 120 240 285 2.1
            RL-CAN-* 9 653 1170 453 150 130 260 315 2.2
            RL-CAN-* 10 694 1275 480 160 140 280 330 2.3
            RL-CAN-* 11 735 1415 535 175 155 305 355 2.4
            RL-CAN-* 12 1520 1570 576 190 165 325 375 2.5
            RL-CAN-* 13 817 1660 617 215 180 340 395 2.6
            RL-CAN-* 14 858 1765 658 230 200 370 430 2.7
            RL-CAN-* 15 899 1905 699 250 220 410 465 2.8
            RL-CAN-* 16 940 2010 740 260 230 450 490 2.9
            RL-CAN-* 17 981 2150 781 280 250 480 520 3.0
            RL-CAN-* 18 1022 2250 822 290 260 500 540 3.1
            RL-CAN-* 19 2395 2360 863 300 270 520 560 3.2
            RL-CAN-* 20 1104 2500 904 315 280 540 580 3.3
            RL-CAN-* 21 1145 2640 945 330 300 570 615 3.4
NOTE:Once chosen the insulator that is the most suitable to the characteristics of the line on which you have to install it,in order to obtain 　　　the total length of the insulator(L),please selec the kind of fitting end you have to use and refer to the following table:
Ground fitting Line fitting Code(2) Length
change(L)
SOCKET BALL SB 0
CLEVIS TONGUE CT +35
EYE EYE EE +64
EYE BALL EB +29
EYE TONGUE ET +27
CLEVIS BALL CB -8
SOCKET EYE SE -10
Y-CLEVIS TONGUE YT +15
Y-CLEVIS EYE TE +52
 

Specified Mechanical Load 　　 　　SML-IEC61109
Routine Test Load 　　　　　　　　　RTL=50%of SML
Specified Mechanical Load 　　　　　70kN 　　120kN
Routing Test Load 　　　　　　　　　35kN 　　　60kN
Max.torsion Load 　　　　　　　　　　90N*m 　　90N*m
The metal fittings are in galvanized steel
(◆)Key to the catalogue numbers
*Key:RL-CAN-A(1)-120(2)
Example:RL-CAN-A7-120SB
Please don’t hesitate to contact us directly for obtaining possible explanations or different solutions.
These insulators are produced and tested according to IEC61109. It’s possible to have all the other combinations.

· Transmission Composite Supection-Tension Insulators in Silicone Rubber Type RL-ROK-*class 70kN or class 120kN
Dimensions tolerance acc,to IEC61109
,
Selection Guide
(Line Voltage,kv)		 Catalogue Code(◆) N°of Sheds A n°(1) Length L ±10 mm Leakage distance mm Minimnn arcing distance mm Power frequency withstand 50Hz Lightning impul. withstand 1,2/50 Weight~kg
72 123 145 170 250 400 Dry
kV		 Wet 
kV		 posit kV negat
.kV
            RL-ROK-* 9+8 915 2312 690 275 195 460 495 4,4
            RL-ROK-* 10+9 1010 2584 756 310 230 515 550 4,9
            RL-ROK-* 12+11 1160 3128 915 340 265 570 615 5,4
            RL-ROK-* 14+13 1310 3672 1065 380 300 620 670 5,9
            RL-ROK-* 15+14 1385 3944 1140 415 335 670 725 6,4
            RL-ROK-* 17+16 1535 4488 1290 450 370 720 780 6,9
            RL-ROK-* 19+18 1685 502 1440 485 405 770 835 7,4
            RL-ROK-* 21+20 1835 5576 1590 520 435 830 900 7,9
            RL-ROK-* 22+21 1910 5848 1665 565 475 915 990 8,4
            RL-ROK-* 24+23 2060 6392 1815 615 515 1000 1080 8,9
            RL-ROK-* 26+25 2210 6936 1965 645 545 1070 1155 9,4
            RL-ROK-* 27+26 2285 7208 2040 675 575 1140 1230 9,7
            RL-ROK-* 29+28 2435 7752 2190 710 605 1210 1310 10,4
            RL-ROK-* 31+30 2585 8296 2340 760 640 1270 1370 10,9
            RL-ROK-* 33+32 2735 8840 2490 810 675 1330 1430 11,4
            RL-ROK-* 35+34 2885 9384 2640 860 710 1390 1490 11,9
            RL-ROK-* 36+35 2960 9656 2715 875 720 1450 1565 12,4
            RL-ROK-* 38+37 3110 10200 2865 890 740 1520 1640 12,9
            RL-ROK-* 40+39 3260 10744 3015 905 100% 1585 1715 13,4
            RL-ROK-* 42+41 3410 11288 3165 920 760 1650 1800 13,9
NOTE:Once chosen the insulator that is the most suitable to the characteristics of the line on which you have to install it,in order to obtain 　　　the total length of the insulator(L),please selec the kind of fitting end you have to use and refer to the following table:
Ground fitting Line fitting Code(2) Length
change(L)
SOCKET BALL SB 0
CLEVIS TONGUE CT -40
EYE EYE EE +55
EYE BALL EB +20
EYE TONGUE ET +5
CLEVIS BALL CB -25
SOCKET EYE SE +30
Y-CLEVIS TONGUE YT +5
Y-CLEVIS EYE TE +50
  Specified Mechanical Load 　　 　　SML-IEC61109
Routine Test Load 　　　　　　　　　RTL=50%of SML
Specified Mechanical Load 　　　　　70kN 　　120kN
Routing Test Load 　　　　　　　　　35kN 　　　60kN
Max.torsion Load 　　　　　　　　　　90N*m 　　90N*m
The metal fittings are in galvanized steel
(◆)Key to the catalogue numbers
*Key:RL-ROK-A(1)-70(2)
Example:RL-ROK-A22+21-70SB
Please don’t hesitate to contact us directly for obtaining possible explanations or different solutions.
These insulators are produced and tested according to IEC61109. It’s possible to have all the other combinations.

· Transmission Composite Supection-Tension Insulators in Silicone Rubber Type RL-ROK-*class 160kN or class210kN
Dimensions tolerance acc,to IEC61109
Selection Guide
(Line Voltage,kv)		 Catalogue Code(◆) N°of Sheds A n°(1) Length L ±10 mm Leakage distance mm Minimnn arcing distance mm Power frequency withstand 50Hz Lightning impul. withstand 1,2/50 Weight~kg
72 123 145 170 250 400 Dry
kV		 Wet 
kV		 posit kV negat
.kV
            RL-ROK-* 9+8 988 2375 778 275 195 460 495 4,4
            RL-ROK-* 10+9 1072 2650 862 310 230 515 550 4,9
            RL-ROK-* 12+11 1240 3200 1020 340 265 570 615 5,4
            RL-ROK-* 14+13 1408 3100% 1198 380 300 620 670 5,9
            RL-ROK-* 15+14 1492 4025 1282 415 335 670 725 6,4
            RL-ROK-* 17+16 1660 4575 1450 450 370 720 780 6,9
            RL-ROK-* 19+18 1828 5125 1618 485 405 770 835 7,4
            RL-ROK-* 21+20 1996 5675 1786 520 435 830 900 7,9
            RL-ROK-* 22+21 2080 5950 1870 565 475 915 990 8,4
            RL-ROK-* 24+23 2248 6500 2038 615 515 1000 1080 8,9
            RL-ROK-* 26+25 2416 7050 2206 645 545 1070 1155 9,4
            RL-ROK-* 27+26 2500 7325 2274 675 575 1140 1230 9,7
            RL-ROK-* 29+28 2668 7875 2458 710 605 1210 1310 10,4
            RL-ROK-* 31+30 2836 8425 2626 760 640 1270 1370 10,9
            RL-ROK-* 33+32 3004 8975 2784 810 675 1330 1430 11,4
            RL-ROK-* 35+34 3172 9525 2962 860 710 1390 1490 11,9
            RL-ROK-* 36+35 3256 9800 3046 875 720 1450 1565 12,4
            RL-ROK-* 38+37 3424 10350 3214 890 740 1520 1640 12,9
            RL-ROK-* 40+39 3592 10900 3382 905 100% 1585 1715 13,4
            RL-ROK-* 42+41 3760 11450 3550 920 760 1650 1800 13,9
NOTE:Once chosen the insulator that is the most suitable to the characteristics of the line on which you have to install it,in order to obtain 　　　the total length of the insulator(L),please selec the kind of fitting end you have to use and refer to the following table:
Ground fitting Line fitting Code(2) Length
change(L)
SOCKET BALL SB 0
CLEVIS TONGUE CT -40
EYE EYE EE +55
EYE BALL EB +20
EYE TONGUE ET +5
CLEVIS BALL CB -25
SOCKET EYE SE +30
Y-CLEVIS TONGUE YT +5
Y-CLEVIS EYE TE +50
  Specified Mechanical Load 　　 　　SML-IEC61109
Routine Test Load 　　　　　　　　　RTL=50%of SML
Specified Mechanical Load 　　　　　160kN 　　210kN
Routing Test Load 　　　　　　　　　80kN 　　　105kN
Max.torsion Load 　　　　　　　　　　120N*m 　　120N*m
The metal fittings are in galvanized steel
(◆)Key to the catalogue numbers
*Key:RL-ROK-A(1)-(160 or 210)(2)
Example:RL-ROK-A22+21-(160 or 210)SB
Please don’t hesitate to contact us directly for obtaining possible explanations or different solutions.
These insulators are produced and tested according to IEC61109. It’s possible to have all the other combinations.

· Transmission Composite Supection-Tension Insulators in Silicone Rubber Type RL-SOR-*class 300kN
Dimensions tolerance acc,to IEC61109
,
Selection Guide
(Line Voltage,kv)		 Catalogue Code(◆) N°of Sheds A n°(1) Length L ±10 mm Leakage distance mm Minimnn arcing distance mm Power frequency withstand 50Hz Lightning impul. withstand 1,2/50 Weight~kg
115 145 170 345 420 500 Dry
kV		 Wet 
kV		 posit kV negat
.kV
            RL-SOR-* 7+6+6 916 1920 628 350 275 580 625 3.6
            RL-SOR-* 9+8+8 1082 2560 844 3850 300 620 670 4.4
            RL-SOR-* 11+10+10 1248 3200 1010 415 335 670 725 5.2
            RL-SOR-* 13+12+12 1414 3840 1176 455 375 725 785 6.1
            RL-SOR-* 15+14+14 1580 4480 1342 480 400 765 830 6.9
            RL-SOR-* 17+16+16 1746 5120 1508 525 440 840 910 7.8
            RL-SOR-* 19+18+18 1912 5760 1674 570 480 920 995 8.6
            RL-SOR-* 21+22+22 2078 6400 1840 610 510 990 1070 9.5
            RL-SOR-* 23+22+22 2244 7040 2006 645 545 1050 1155 10.3
            RL-SOR-* 25+24+24 2410 7680 2172 685 585 1150 1240 11.1
            RL-SOR-* 27+26+26 2576 8320 2338 700 595 1200 1300 12.0
            RL-SOR-* 29+28+28 2742 8960 2504 740 620 1250 1350 12.8
            RL-SOR-* 31+30+30 2908 9600 2670 815 660 1340 1440 13.7
            RL-SOR-* 33+32+32 3074 10240 2836 845 685 1380 1480 14.5
            RL-SOR-* 35+34+34 3240 10880 3002 865 710 1485 1585 15.4
            RL-SOR-* 37+36+36 3406 11520 3168 900 100% 1670 1820 16.2
            RL-SOR-* 39+38+38 3572 12160 3334 930 780 1760 1860 17.0
            RL-SOR-* 41+40+40 3738 12800 3500 960 820 1780 1930 17.9
            RL-SOR-* 43+42+42 3904 13440 3666 1140 1020 2030 2110 18.7
            RL-SOR-* 47+46+46 4236 14720 3998 1280 1100 2400 2510 19.5
NOTE:Once chosen the insulator that is the most suitable to the characteristics of the line on which you have to install it,in order to obtain 　　　the total length of the insulator(L),please selec the kind of fitting end you have to use and refer to the following table:
Ground fitting Line fitting Code(2) Length
change(L)
SOCKET BALL SB 0
CLEVIS BALL CT 0
SOCKET TONGUE ST 0
CLEVIS TONGUE CT 0
  Specified Mechanical Load 　　 　　SML-IEC61109
Routine Test Load 　　　　　　　　　RTL=50%of SML
Specified Mechanical Load 　　　　　300kN 　
Routing Test Load 　　　　　　　　　155kN 
Max.torsion Load 　　　　　　　　　 200N*m
The metal fittings are in galvanized steel
(◆)Key to the catalogue numbers
*Key:RLK-SOK-A(1)-(300)(2)
Example:RL-SOK-A21+20-300SB
Please don’t hesitate to contact us directly for obtaining possible explanations or different solutions.
Socket and ball are size 24 acc.To IEC60120 Clevis and tongue are size 25 Lacc.To IEC60471
These insulators are produced and tested according to IEC61109. It’s possible to have all the other combinations.
Composite Horizontal Line Post Insulator in Silicone Rubber Type RL-FC-*
 
· Composite Horizontal Line Post Insulator in Silicone Rubber Type RL-FC-*
Dimensions tolerance acc,to IEC61952
Selection Guide
(Line Voltage,kv)		 Catalogue Code(◆) Specified Cantilever Load kN N°of Sheds A n°(1) Length L ±5 mm Leakage distance mm Dry arc distance mm Power frequency withstand 50Hz Lightning impul. withstand 1,2/50 Weight~kg
12 17 24 36 45 52 Dry
kV		 Wet 
kV		 posit kV negat
.kV
            RL-FC-* 10.0 2+1 365 390 165 70 65 115 160 6,5
            RL-FC-* 8.4 3+2 420 585 225 110 100 150 190 7,0
            RL-FC-* 7.2 4+3 480 780 285 120 110 180 215 7,5
            RL-FC-* 6.3 5+4 540 975 340 150 140 235 270 8,0
            RL-FC-* 5.5 6+5 600 1170 400 170 155 270 300 8,5
            RL-FC-* 5.0 7+6 660 1365 460 180 165 285 325 9,0
            RL-FC-* 4.5 8+7 715 1560 520 200 185 305 355 9,5
            RL-FC-* 4.2 9+8 775 1755 575 225 210 345 405 10,0
NOTE:Once chosen the insulator that is the most suitable to the characteristics of the line on which you have to install it,in order to obtain 　　　the total length of the insulator(L),please selec the kind of fitting end you have to use and refer to the following table:
Ground fitting Line fitting Code(2) Length
change(L)
Fitting GB Fitting HC HCGB 0
Fitting M Fitting HC HCM +36
Fitting R Fitting HC HCR -78
Fitting GB Fitting B BGB +9
Fitting M Fitting B BM +44
Fitting R Fitting B BR -69
Fitting GB Fitting C CGB -40
Fitting M Fitting C CM -150
Fitting R Fitting C CR -105
  Specified Cantilever Load 　　 　　　SML-IEC61952
Max.Design Cantilever Load 　　　　 MDCL=65%of SCL
Specified Tensile Load(STL) 　　　　15kN 　
Max.design compression　　　　　　15kN 
Max.torsion Load 　　　　　　　　　15daN*m
The SCL can be increased,please contact us. 
The metal fittings can be in aluminium or galvanized steel
(◆)Key to the catalogue numbers
*Key:ISI-FC-A(1)-A(2)
Example:ISI-FC-A4+3-HCGB
Please don’t hesitate to contact us directly for obtaining possible explanations or different solutions.
These insulators are produced and tested according to IEC61952. It’s possible to have all the other combinations.

· Composite Horizontal Line Post Insulator in Silicone Rubber Type RL-FC-*
Dimensions tolerance acc,to IEC61952
Selection Guide
(Line Voltage,kv)		 Catalogue Code(◆) Specified Cantilever Load kN N°of Sheds A n°(1) Length L ±5 mm Leakage distance mm Dry arc distance mm Power frequency withstand 50Hz Lightning impul. withstand 1,2/50 Weight~kg
72 115 150 Dry
kV		 Wet 
kV		 posit kV negat
.kV
      RL-FC-* 3,9 10+9 840 1950 635 270 225 450 490 10,5
      RL-FC-* 3,3 12+11 955 2340 100% 310 245 515 550 11,5
      RL-FC-* 3,0 14+13 1070 2730 870 355 285 570 615 12,5
      RL-FC-* 2,7 16+15 1185 3120 985 400 320 625 670 13,5
      RL-FC-* 2,4 18+17 1300 3510 1105 435 355 680 735 14,5
      RL-FC-* 2,2 20+19 1415 3900 1220 475 390 100% 805 15,5
      RL-FC-* 2,0 22+21 1525 4290 1335 520 430 820 890 16,5
      RL-FC-* 1,8 24+23 1640 4680 1455 560 475 870 940 17,5
NOTE:Once chosen the insulator that is the most suitable to the characteristics of the line on which you have to install it,in order to obtain 　　　the total length of the insulator(L),please selec the kind of fitting end you have to use and refer to the following table:
Ground fitting Line fitting Code(2) Length
change(L)
Fitting GB Fitting HC HCGB 0
Fitting M Fitting HC HCM +36
Fitting R Fitting HC HCR -78
Fitting GB Fitting B BGB +9
Fitting M Fitting B BM +44
Fitting R Fitting B BR -69
Fitting GB Fitting C CGB -40
Fitting M Fitting C CM -150
Fitting R Fitting C CR -105
  Specified Cantilever Load 　　 　　　SML-IEC61952
Max.Design Cantilever Load 　　　　 MDCL=65%of SCL
Specified Tensile Load(STL) 　　　　15kN 　
Max.design compression　　　　　　15kN 
Max.torsion Load 　　　　　　　　　15daN*m
The SCL can be increased,please contact us. 
The metal fittings can be in aluminium or galvanized steel
(◆)Key to the catalogue numbers
*Key:ISI-FC-A(1)-A(2)
Example:ISI-FC-A16+15-HCGB
Please don’t hesitate to contact us directly for obtaining possible explanations or different solutions.
These insulators are produced and tested according to IEC61952. It’s possible to have all the other combinations.

 
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