Kondakta ya INVAR ina msingi wa invar iliyofunikwa na alumini na waya za aloi zinazostahimili joto. Kondakta hii inafaa kwa urekebishaji wa mstari wa zamani. Inaweza kuweka sag sawa wakati wa kuongeza uwezo
Muundo:

Tabia za kiufundi:
● Uwezo wa kubeba sasa wa kondakta wa INVAR katika 210℃ ni zaidi ya mara mbili ya ACSR yenye eneo sawa katika 90℃.
● Sagi ya kondakta wa INVAR huwekwa sawa na ile ya ACSR yenye kipenyo sawa cha jumla.
● Invar iliyofunikwa na alumini ina utendaji mzuri wa upinzani dhidi ya kutu ya electrochemical, na maisha ya kazi ya kondakta yanaweza kufikia zaidi ya miaka 40.


Vigezo vya kawaida (muundo wa pande zote):
Kanuni | Muundo | Maeneo | Kipenyo | Kuvunja mzigo | Upinzani wa DC kwa 20 ℃ | Uzito | Uwezo wa sasa |
| Al | Chuma | | | | | | TACIR | ZTACIR |
| Nambari/mm | mm2 | mm | kN | Ω/km | Kg/km | A |
135/30 | 30/2.38 | 7/2.38 | 164.61 | 16.66 | 53.97 | 0.2117 | 600 | 698 | 866 |
160/35 | 30/2.60 | 7/2.60 | 196.44 | 18.20 | 64.41 | 0.1774 | 716 | 784 | 974 |
210/40 | 28/3.07 | 7/2.7 | 207.26 | 20.38 | 73.78 | 0.1386 | 870 | 910 | 1135 |
200/45 | 30/2.90 | 7/2.90 | 244.39 | 20.30 | 78.81 | 0.1441 | 891 | 910 | 1135 |
230/45 | 28/3.24 | 7/2.85 | 275.51 | 21.51 | 82.19 | 0.1245 | 969 | 986 | 1231 |
255/40 | 26/3.54 | 7/2.75 | 297.48 | 22.41 | 82.83 | 0.1116 | 1015 | 1055 | 1318 |
240/55 | 30/3.20 | 7/3.20 | 297.57 | 22.40 | 93.82 | 0.1171 | 1085 | 1030 | 1165 |
220/55 | 30/3.05 | 7/3.05 | 270.33 | 21.35 | 85.23 | 0.1303 | 985 | 962 | 1088 |
290/55 | 28/3.64 | 7/3.20 | 347.67 | 24.16 | 101.53 | 0.0976 | 1226 | 1155 | 1447 |
300/50 | 26/3.85 | 7/3.00 | 352.16 | 24.40 | 95.55 | 0.0944 | 1203 | 1179 | 1476 |
340/65 | 28/3.92 | 7/3.45 | 403.36 | 26.03 | 117.90 | 0.0842 | 1423 | 1274 | 1599 |
345/55 | 26/4.11 | 7/3.20 | 401.24 | 26.04 | 108.80 | 0.0828 | 1370 | 1285 | 1612 |
Kumbuka:
1.Joto iliyoko 40℃, Kasi ya Upepo 0.5m/s, Mwelekeo wa upepo: Digrii 0, Mionzi ya jua 0.1w/cm2, Kufyonzwa kwa uso wa kondakta 0.9.
2.Kiwango cha joto kinachoendelea: TACIR 150℃, ZTACIR 210℃.
3.Miundo mingine kulingana na mahitaji ya wateja.
Vigezo vya kawaida muundo wa trapezoid):
Kanuni | Muundo | Maeneo | Kipenyo | Kuvunja mzigo | Upinzani wa DC kwa 20 ℃ | Uzito | Uwezo wa sasa |
| Al | Chuma | | | | | | TACIR | ZTACIR |
| Nambari/mm | mm2 | mm | kN | Ω/km | Kg/km | A |
160/40 | 18/3.37 | 7/2.65 | 199.16 | 17.04 | 65.06 | 0.1759 | 730 | 771 | 957 |
200/45 | 17/3.87 | 7/2.85 | 244.62 | 18.87 | 76.87 | 0.1412 | 883 | 890 | 1105 |
200/50 | 17/3.87 | 7/2.95 | 247.81 | 19.01 | 80.39 | 0.1409 | 906 | 892 | 1110 |
250/45 | 18/4.20 | 7/2.85 | 294.04 | 20.64 | 82.64 | 0.1141 | 1019 | 1017 | 1268 |
250/40 | 18/4.13 | 7/2.75 | 290.96 | 20.51 | 81.12 | 0.1143 | 996 | 1014 | 1264 |
240/55 | 18/4.13 | 7/3.20 | 297.43 | 20.82 | 93.12 | 0.1169 | 1083 | 1007 | 1138 |
240/50 | 18/4.71 | 7/3.00 | 290.62 | 20.55 | 88.13 | 0.1157 | 1032 | 1000 | 1131 |
315/55 | 18/4.71 | 7/3.20 | 396.92 | 23.15 | 104.06 | 0.0907 | 1266 | 1182 | 1479 |
315/50 | 18/4.71 | 7/3.00 | 363.10 | 22.91 | 97.20 | 0.0910 | 1232 | 1176 | 1471 |
330/60 | 18/4.81 | 7/3.30 | 386.95 | 23.68 | 109.70 | 0.0869 | 1329 | 1216 | 1522 |
350/55 | 20/4.71 | 7/3.20 | 404.77 | 24.19 | 109.33 | 0.0819 | 1379 | 1262 | 1580 |
Kumbuka:
1.Joto iliyoko 40℃, Kasi ya Upepo 0.5m/s, Mwelekeo wa upepo: Digrii 0, Mionzi ya jua 0.1w/cm2, Kufyonzwa kwa uso wa kondakta 0.9.
2.Kiwango cha joto kinachoendelea: TACIR 150℃, ZTACIR 210℃.
3.Miundo mingine kulingana na mahitaji ya wateja.