Tha Anhuang gu sònraichte a’ dèiligeadh ri ceanglaiche aghaidh suathaidh seòrsa π, agus bidh sinn a’ toirt seachad ceanglaiche aghaidh suathaidh seòrsa π àrd-inbhe.
Tha ceanglaiche aghaidh suathaidh seòrsa π air a chleachdadh ann an lìonra fàinne ron bhogsa, meur càball a’ bhogsa no bidh e na phrìomh shiostam lìonra fàinne, mar cheanglaichean càball a-steach is a-mach. Faodar a cheangal ri snaim 630A agus troimhe às deidh sin bu chòir measgachadh co-phàirteach suathaidh a chruthachadh gus cuairt nas ceangailte a chruthachadh.
Is e 630A an sruth reataichte den cheanglaiche aghaidh suathaidh seòrsa T, a’ buntainn ri càbaill cumhachd XLPE 25-300mm2 den earrann.

| Àireamh Iomraidh | Earrann-tarsainn an stiùiriche (mm²) | raon sìneadh thairis air insulation (mm) | |
| AH ⅡQJT-12/630-25 | 25 | 16.6 | |
| AH ⅡQJT-12/630-35 | 35 | 17.6 | |
| AH ⅡQJT-12/630-50 | 50 | 19 | |
| AH ⅡQJT-12/630-70 | 70 | 20.6 | |
| AH ⅡQJT-12/630-95 | 95 | 22.2 | |
| AH ⅡQJT-12/630-120 | 120 | 23.6 | |
| AH ⅡQJT-12/630-150 | 150 | 25.2 | |
| AH ⅡQJT-12/630-185 | 185 | 26.7 | |
| AH ⅡQJT-12/630-240 | 240 | 29 | |
| AH ⅡQJT-12/630-300 | 300 | 31.2 | |
| AH ⅡQJT-12/630-400 | 400 | 34.4 | |
| AH ⅡQJT-12/630-500 | 500 | 37.2 | |
| Àireamh Iomraidh | Earrann-tarsainn an stiùiriche (mm²) | raon sìneadh thairis air insulation (mm) | |
| AH ⅡQJT-24/630-35 | 35 | 18.6 | |
| AH ⅡQJT-24/630-50 | 50 | 19.6 | |
| AH ⅡQJT-24/630-70 | 70 | 21 | |
| AH ⅡQJT-24/630-95 | 95 | 22.6 | |
| AH ⅡQJT-24/630-120 | 120 | 24.2 | |
| AH ⅡQJT-24/630-150 | 150 | 25.6 | |
| AH ⅡQJT-24/630-185 | 185 | 27.2 | |
| AH ⅡQJT-24/630-240 | 240 | 28.7 | |
| AH ⅡQJT-24/630-300 | 300 | 31.1 | |
| AH ⅡQJT-24/630-400 | 400 | 33.2 | |
| Àireamh Iomraidh | Earrann-tarsainn an stiùiriche (mm²) | raon sìneadh thairis air insulation (mm) | |
| AH ⅡQJT-25/630-35 | 35 | 26 | |
| AH ⅡQJT-25/630-50 | 50 | 26 | |
| AH ⅡQJT-25/630-70 | 70 | 27.6 | |
| AH ⅡQJT-25/630-95 | 95 | 29.2 | |
| AH ⅡQJT-25/630-120 | 120 | 30.6 | |
| AH ⅡQJT-25/630-150 | 150 | 32.2 | |
| AH ⅡQJT-25/630-185 | 185 | 33.7 | |
| AH ⅡQJT-25/630-240 | 240 | 36.1 | |
| AH ⅡQJT-25/630-300 | 300 | 38.2 | |

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