Company Profile

ZTT is specialized in research, development, production, marketing, service and

support of conductors for overhead transmission lines.

ZTT has the first-class equipments and quality management system. Our typical
references include up to ±1100kV and span length reach to 2746m in China. "Cus-
tomer First", "Quality", and "Innovation" drive us to be successful in the market.

With more than 70 years’ experiences, ZTT can provide not only conventional con-
ductor but also up-rating conductor. For conventional conductors, the products
include: ACSR, AAAC, AAC and so on. And for up-rating conductors, the products
include: GAP Type Conductor, INVAR Core Conductor, TACSR and ACSS. We have
supplied each kind of conductors with 400,000 tons for 500kV line as yet and have
exported about 450,000 tons to the world.

ZTT will consistently serve the telecommunication and power grid industry relying
on its sales & services network all over the world.

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 INVAR Conductor-TACIR and ZTACIR
Super thermal-resistant aluminum-alloy conductors,
Aluminum-clad invar reinforced

Definition
●
INVAR conductor is composed of aluminum-
clad invar core and thermal-resistant aluminum
alloy wires. This conductor is suitable for old line
modification. It can keep the same sag while
increasing capacity.
INVAR Conductor ................................................................... (3)
Standard
GAP Type Conductor ........................................................... (5) IEC 62004
IEC 61089
JCS 1404
Aluminum Conductor Steel Supported .......... (7) Q/320623 AP 25

Thermal Resistant Conductor ................................... (14) Structure

Aluminum-clad invar
steel core

(Super) thermal resistant

aluminum alloy wire

Typical structure 1 Typical structure 2

Technical characteristics

●
The current-carrying capacity of INVAR conductor in
ZTACIR
210℃ is more than twice that of ACSR with same area in
90℃.

Capacity(A)
●
The sag of INVAR conductor is kept in the same with that
of ACSR with same overall diameter. ACSR

●
The aluminum-clad invar has good performance of resis-
Cross sectional area (mm2)
tance to electrochemical corrosion, and the working life of
conductor can reach more than 40 years.

ACSR

Sag(m)
ZTACIR(TACIR)

Conductor temperature(℃)

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 Invar Conductor-TACIR and ZTACIR GAP Type Conductor-GTACSR and GZTACSR

Typical Parameters (Round structure) Definition

Structure DC Current capacity
●
GAP type conductor is composed of layers of
Breaking
Areas Diameter resistance at Weight thermal resistant aluminum alloy wires around a
Code Al Steel load TACIR ZTACIR
20℃ high strength steel core. Grease is filled in the Gap
Nos./mm mm 2 mm kN Ω/km Kg/km A
to make the steel core move freely, which giving
135/30 30/2.38 7/2.38 164.61 16.66 53.97 0.2117 600 698 866 the conductor its special characteristics.
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 Standard
230/45 28/3.24 7/2.85 275.51 21.51 82.19 0.1245 969 986 1231
Q 320623 AP 35
255/40 26/3.54 7/2.75 297.48 22.41 82.83 0.1116 1015 1055 1318 IEC 61089
240/55 30/3.20 7/3.20 297.57 22.40 93.82 0.1171 1085 1030 1165 IEC 62420
IEC 62219
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 Structure
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

Note: (Super) thermal resistant

1. Ambient temperature 40℃, Wind velocity 0.5m/s, Wind direction: 0 Degree, Solar radiation 0.1w/cm2, Absorptivity of conductor surface 0.9. aluminum alloy wire
2. Continuous operating temperature: TACIR 150℃, ZTACIR 210℃.
3. Other designs according to customers' requirements.
Extra high strength
steel core
Typical Parameters (Trapezoid structure) Grease

Structure Breaking DC resistance Current capacity

Areas Diameter Weight Typical structure 1 Typical structure 2
Code Al Steel load at 20℃ TACIR ZTACIR
Nos./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
Technical characteristics
200/50 17/3.87 7/2.95 247.81 19.01 80.39 0.1409 906 892 1110
■ Capacity expansion characteristics
250/45 18/4.20 7/2.85 294.04 20.64 82.64 0.1141 1019 1017 1268
●
The current-carrying capacity of GAP type conductor in
250/40 18/4.13 7/2.75 290.96 20.51 81.12 0.1143 996 1014 1264
150℃ is 1.6 times that of ACSR with same area in 90℃.
240/55 18/4.13 7/3.20 297.43 20.82 93.12 0.1169 1083 1007 1138
●
The current-carrying capacity of GAP type conductor in
240/50 18/4.71 7/3.00 290.62 20.55 88.13 0.1157 1032 1000 1131 210℃ is twice that of ACSR with same area in 90℃.
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 ■ Sag characteristics
330/60 18/4.81 7/3.30 386.95 23.68 109.70 0.0869 1329 1216 1522 ●
Limiting the sag increase with rising in temperature by
350/55 20/4.71 7/3.20 404.77 24.19 109.33 0.0819 1379 1262 1580
stress transfer above knee-point.

Note:
1. Ambient temperature 40℃, Wind velocity 0.5m/s, Wind direction: 0 Degree, Solar radiation 0.1w/cm2, Absorptivity of conductor surface 0.9.
2. Continuous operating temperature: TACIR 150℃, ZTACIR 210℃.
3. Other designs according to customers’ requirements.

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 GAP Type Conductor-GTACSR and GZTACSR Aluminum Conductor Steel Supported-ACSS and ACSS/TW

Typical Parameters Definition

Areas Diameter Breaking DC resistance Current capacity ●
ACSS conductor is composed of steel core and
Weight annealed aluminum wires. The conductivity of an-
Code Al Steel Structure 1 Structure 2 load at 20℃ GTACSR GZTACSR
mm2 mm mm kN Ω/km Kg/km A nealed aluminum wire is up to 63%IACS, which is
185/30 197.60 31.67 19.7 18.7 81.1 0.1483 801 879 1095 in favor to capacity expansion and energy conser-
240/30 250.60 31.67 20.6 20.6 89.7 0.1170 948 1017 1270
vation.
260/40 265.30 43.11 22.6 21.7 109.3 0.1106 1084 1068 1335
300/40 290.20 43.11 23.7 22.4 113.2 0.1010 1147 1124 1406 Standard
370/40 370.50 40.08 26.0 24.8 121.0 0.0792 1348 1316 1651
Q320623 AP 32
400/50 408.30 49.48 27.5 26.1 141.6 0.0718 1523 1403 1762
IEC 61089
450/50 444.71 49.48 28.4 27.2 147.4 0.0660 1644 1484 1867
IEC 62219
500/60 523.50 63.55 31.2 29.5 183.3 0.0560 1951 1655 2087 ASTM B609
630/50 642.70 52.83 34.0 32.0 186.0 0.0456 2195 1887 2386 ASTM B851
ASTM B856
Note: ASTM B857
1. Ambient temperature 40℃, Wind velocity 0.5m/s, Wind direction: 0 Degree, Solar radiation 0.1w/cm2, Absorptivity of conductor surface 0.9.
2. Continuous operating temperature: GTACSR 150℃, GZTACR 210℃.
3. Other designs according to customers’ requirements.

Structure
Accessory Fittings
■ Compacted Suspension Clamp
Conductor Diameter Dimensions (mm) Annealed
Type Figure No. aluminum wire
(mm) L L1 L2 D Φ Φ1 d
NY-185JX 19.7 400-520 150-250 50-60 30-38 20-21 7.5-8.0 15-16 1 Extra high strength
NY-240JX 20.6 500-600 150-250 50-60 35-42 21-23 7.5-8.0 15-16 1 steel core
NY-260JX 22.6 500-600 150-250 50-60 35-42 23-25 8.0-8.5 16-18 1
NY-300JX 23.7 500-600 150-250 50-60 35-42 25-27 8.0-8.5 16-18 1
NY-370JX 26.0 550-650 150-250 60-80 38-50 27-28 8.0-8.5 16-18 1
Typical structure 1 Typical structure2
NY-400JX 27.5 550-650 150-250 60-80 38-50 28-30 8.0-9.8 19-20 1
NY-450JX 28.4 550-650 150-250 60-80 45-50 29-30 9.5-10.0 19-20 2 Technical characteristics
NY-500JX 31.2 600-700 150-250 60-80 48-55 32-33 10.0-10.5 20-22 2
NY-630JX 34.2 600-700 150-250 60-80 50-58 34-36 9.5-10.0 18-20 2 ■ Saving energy characteristic
●
The conductivity of the annealed aluminum wire is
Accessory Fittings 63%IACS, and the conductivity of the hard drawing alumi- ACSS

Capacity(A)
num wire is 61% IACS. So the annealed aluminum wire can
L2 save about 2% energy. In the same transmission condition, ACSR
Dimensions (mm)
L

Conductor
the loss can reduce about 3%.
ZTT
1
ZTT

D
d

Type Diameter L1

L L1 L2 D Φ Φ1
(mm)
45

Figure1
JY-185JX 19.7 30-38 15-16 550-650 140-160 15-16 7.5-8.0 45

Cross sectional area (mm2)

JY-240JX 20.6 35-42 15-16 600-700 160-200 15-16 7.5-8.0
ZTT
L
■ Up-rating Characteristic
The current-carrying capacity of ACSS conductor in
1

ZTT
D
d

JY-260JX 22.6 35-42 16-18 600-700 160-200 16-18 7.5-8.0 L1

●
ZTT

JY-300JX 23.7 35-42 16-18 600-700 160-200 16-18 7.5-8.0 150℃ is 1.5 times that of ACSR with same area in 90℃. ACSR
Figure2
45

JY-370JX 26.0 38-50 16-18 700-800 200-220 16-18 8.0-8.5

45

Sag(m)
ACSS(ACSS/TW)
JY-400JX 27.5 38-50 19-20 700-800 200-220 18-20 8.0-9.8
JY-450JX 28.4 45-50 19-20 700-800 200-220 18-20 9.5-10.0
JY-500JX 31.2 48-55 20-22 800-950 220-260 20-22 10.0-10.5
850-
JY-630JX 34.2 50-58 19-20 220-240 18-20 9.5-10.0
1000 Figure3 Conductor temperature(℃)

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 Aluminum Conductor Steel Supported-ACSS Aluminum Conductor Steel Supported-ACSS

■ Compacted Connected Sleeve

Typical Parameters
Suitable for Dimension (mm)
Type
Structure Conductor Type L D d CH BD Ds
Breaking DC resistance at Current capacity
Areas Diameter Weight
Code Al Steel load 20℃ in 150℃ JY-150/25N(RL) ACSS-150/25 580 34 17.50 180 18 6.78
Nos./mm mm2 mm kN Ω/km Kg/km A
JY-185/30N(RL) ACSS-185/30 580 38 19.50 180 18 7.59
150/25 15/3.52 7/2.06 169.30 15.65 49.7 0.1915 585 718
JY-210/35N(RL) ACSS-210/35 600 40 20.60 200 18 8.04
185/30 20/3.45 7/2.33 216.81 17.71 63.6 0.1495 749 844
JY-240/40N(RL) ACSS-240/40 600 42 22.00 200 18 8.58
210/35 20/3.67 7/2.48 245.38 18.84 72.0 0.1321 848 916
JY-250/40N(RL) ACSS-250/40 600 42 22.30 200 20 8.70
240/40 20/3.94 7/2.66 282.74 20.22 82.9 0.1146 977 1005
JY-300/40N(RL) ACSS-300/40 600 45 24.40 200 20 8.70
250/40 26/3.50 7/2.70 290.23 20.49 85.3 0.1118 1004 1022
JY-300/50N(RL) ACSS-300/50 660 45 24.40 240 20 9.48
300/40 26/3.87 7/2.70 345.91 22.33 88.6 0.09141 1158 1161
JY-350/55N(RL) ACSS-350/55 660 50 26.00 240 22 10.20
300/50 26/3.83 7/2.96 347.71 22.42 102.5 0.09333 1203 1151
JY-400/45N(RL) ACSS-400/45 660 48 27.00 220 20 9.00
350/55 20/4.72 7/3.20 406.25 24.24 119.8 0.07988 1406 1275
JY-400/50N(RL) ACSS-400/50 740 50 27.50 240 22 9.81
400/45 24/4.55 7/2.80 433.33 24.96 98.8 0.07160 1413 1358
JY-400/65N(RL) ACSS-400/65 880 50 28.00 260 24 10.86
400/50 21/4.94 7/3.08 454.65 25.60 115.5 0.06943 1520 1391
JY-500/50N(RL) ACSS-500/50 740 55 30.50 240 22 9.60
400/65 23/4.72 7/3.42 466.74 25.98 137.0 0.06946 1613 1397
JY-500/65N(RL) ACSS-500/65 930 55 31.00 280 24 11.02
500/50 36/4.19 7/3.00 545.87 27.99 116.2 0.05657 1763 1584
JY-630/65N(RL) ACSS-630/65 930 60 34.50 280 24 11.02
500/65 36/4.20 7/3.44 563.82 28.50 143.9 0.05638 1894 1597

630/65 36/4.76 7/3.44 705.69 31.83 152.1 0.04383 2285 1873

Note: ■ Compacted Connected Sleeve

1. Ambient temperature 40℃, Wind velocity 0.5m/s, Wind direction: 0 Degree, Solar radiation 0.1w/cm2, Absorptivity of conductor surface 0.9.
2. Other designs according to customers’ requirements.
3. We also can design according to the ASTM B856, ASTM B857.

Accessory Fittings
■ Compacted Suspension Clamp
Suitable for Dimension (mm)
Type
Conductor Type L D d CH BD Ds Dsc Bd Bolt No

NY-150/25N(RL) ACSS-150/25 400 34 17.50 19 16 18 15.60 M16 2

NY-185/30N(RL) ACSS-185/30 430 38 19.50 19 16 18 15.60 M16 2

NY-210/35N(RL) ACSS-210/35 440 40 20.60 19 16 18 15.60 M16 2

NY-240/40N(RL) ACSS-240/40 450 42 22.00 19 18 18 15.60 M16 2

NY-250/40N(RL) ACSS-250/40 460 42 22.30 19 18 20 17.33 M16 2

NY-300/40N(RL) ACSS-300/40 470 45 24.40 19 18 20 17.33 M16 2

NY-300/50N(RL) ACSS-300/50 480 45 24.40 22 22 20 17.33 M16 2

NY-350/55N(RL) ACSS-350/55 500 50 26.00 22 22 22 19.07 M16 2

NY-400/45N(RL) ACSS-400/45 510 48 27.00 22 22 20 17.33 M16 4

NY-400/50N(RL) ACSS-400/50 520 50 27.50 22 22 22 19.07 M16 4

NY-400/65N(RL) ACSS-400/65 580 50 28.00 22 24 24 20.80 M16 4

NY-500/50N(RL) ACSS-500/50 540 55 30.50 22 22 22 19.07 M16 4

NY-500/65N(RL) ACSS-500/65 600 55 31.00 22 24 24 20.80 M20 4

NY-630/65N(RL) ACSS-630/65 680 60 34.50 22 24 24 20.80 M20 4

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 Aluminum Conductor Steel Supported-ACSS(ASTM B856) Aluminum Conductor Steel Supported-ACSS (ASTM B856)
& ACSS/TW (ASTM B857)
Stranding Diameter Rated strength (kN) Flicker 24/7 477 3.58 2.39 913 21.49 63.2 57.8 55.6
Cross (mm) Outside (by type of steel core)
Code Mass
section Diameter
Name (kg/km) ACSS/HS ACSS/GA Lark 30/7 397.5 2.92 2.92 925 20.47 85.8 77.8 74.3
Al/Steel (MCM) Al Steel (mm) ACSS/AW
ACSS/MS ACSS/MA
Ibis 26/7 397.5 3.14 2.44 812 19.89 63.2 57.8 55.2
Thrasher 76/19 2 312 4.43 2.07 3754 45.77 169.5 158.3 151.7
Brant 24/7 397.5 3.27 2.18 761 19.61 53.8 48.9 46.3
Kiwi 72/7 2 167 4.41 2.94 3424 44.07 137.0 129.0 125.4
Oriole 30/7 336.4 2.69 2.69 783 18.82 72.5 65.8 63.2
Bluebird 84/19 2 156 4.07 2.44 3732 44.75 202.4 187.3 181.0
Linnet 26/7 336.4 2.89 2.25 687 18.29 54.7 49.8 46.7
Chukar 84/19 1 780 3.70 2.22 3083 40.69 169.9 157.5 149.5
Ostrich 26/7 300 2.73 2.12 613 17.27 48.5 44.5 41.8
Falcon 54/19 1 590 4.36 2.62 3038 39.24 207.3 189.5 182.8
Partridge 26/7 266.8 2.57 2.00 546 16.31 43.3 39.5 37.2
Lapwing 45/7 1 590 4.78 3.18 2664 38.20 131.7 124.1 120.1
Cochin 12/7 211.3 3.37 3.37 784 16.87 102.7 94.3 87.6
Parrot 54/19 1 510 4.25 2.55 2884 38.23 196.6 179.7 173.0
Brahma 16/19 203.2 2.86 2.48 1004 18.14 151.7 135.7 129.4
Nuthatch 45/7 1 510 4.65 3.10 2530 37.24 125.0 117.9 114.3
Dorking 12/7 190.8 3.20 3.20 708 16.03 93.0 85.0 81.4
Plover 54/19 1 431 4.14 2.48 2735 37.21 186.4 170.8 164.1
1. All the data set out in this catalogue is given for information purpose and ZTT shall not be held responsible for its accuracy.
Bobolink 45/7 1 431 4.53 3.02 2397 36.25 120.1 111.6 108.1
2. Typical Parameters for ACSS (ASTM standard requirement).
Martin 54/19 1 351 4.02 2.41 2582 36.17 176.1 161.0 155.2
Diameter Outside
Stranding Rated strength (kN)
Dipper 45/7 1 351 4.40 2.93 2263 35.20 113.4 105.4 102.3 Code Cross section (mm) Mass
Diameter
Name (MCM) (kg/km)
Pheasant 54/19 1 272 3.90 2.34 2431 35.10 165.9 151.7 145.9 Al/Steel Steel (mm) ACSS/HS/TW
Bittern 45/7 1 272 4.27 2.85 2131 34.16 106.8 99.2 96.1 Flicker 18/7 477.0 2.39 910.7 19.81 21.1
Grackle 54/19 1 192.5 3.77 2.27 2278 33.99 157.9 145.0 137.0 Hawk 18/7 477.0 2.67 974.6 20.07 25.4
Bunting 45/7 1 192.5 4.14 2.76 1997 33.07 104.5 95.2 92.5 Parakeet 18/7 556.5 2.58 1062.4 21.34 24.7
Finch 54/19 1 113 3.65 2.19 2128 32.84 147.7 135.2 128.1 Dove 20/7 556.5 2.89 1136.8 21.59 29.6
Bluejay 45/7 1 113 4.00 2.66 1866 31.98 93.9 86.7 84.1 Rook 18/7 636.0 2.76 1217.2 22.61 28.3
Curlew 54/7 1 033.5 3.51 3.51 1978 31.62 134.8 125.4 116.1 Grosbeak 20/7 636.0 3.09 1299.0 23.11 33.3
Ortolan 45/7 1 033.5 3.85 2.57 1731 30.78 86.7 80.5 78.3 Tern 17/7 795.0 2.25 1325.8 24.38 22.6
Cardinal 54/7 954 3.38 3.38 1826 30.38 124.5 115.6 109.4 Puffin 18/7 795.0 2.81 1449.3 24.89 30.7
Rail 45/7 954 3.70 2.47 1598 29.59 80.1 74.3 72.1 Condor 20/7 795.0 3.08 1517.8 25.15 34.7
Canary 54/7 900 3.28 3.28 1723 29.51 117.4 109.4 103.2 Drake 20/7 795.0 3.45 1623.4 25.65 41.7
Ruddy 45/7 900 3.59 2.40 1507 28.73 75.6 70.3 68.1 Phoenix 30/7 954.0 2.13 1529.7 26.67 22.6
Mallard 30/19 795 4.14 2.48 1836 28.96 168.6 152.6 146.3 Rail 32/7 954.0 2.47 1598.1 26.92 26.8
Condor 54/7 795 3.08 3.08 1521 27.74 103.6 96.5 93.0 Cardinal 20/7 954.0 3.38 1825.8 27.43 41.7
Tern 45/7 795 3.38 2.25 1332 27.00 67.6 63.2 60.0 Snowbird 30/7 1033.5 2.21 1657.6 27.69 24.4
Drake 26/7 795 4.44 3.45 1626 28.14 124.5 115.2 108.5 Ortolan 32/7 1033.5 2.57 1730.5 27.94 29.0
Cuckoo 24/7 795 4.62 3.08 1522 27.74 103.6 96.5 93.0 Curlew 21/7 1033.5 3.51 1973.1 28.70 45.1
Redwing 30/19 715 3.92 2.35 1651 27.46 151.2 137.0 131.2 Avocet 30/7 1113.0 2.30 1784.1 28.70 26.0
Starling 26/7 715.5 4.21 3.28 1464 26.70 112.1 103.6 97.9 Bluejay 33/7 1113.0 2.66 1864.5 28.96 31.2
Stilt 24/7 715.5 4.39 2.92 1370 26.31 94.7 86.7 83.6 Finch 38/7 1113.0 2.19 2123.4 30.23 49.4
Gannet 26/7 666.6 4.07 3.16 1363 25.76 104.1 96.5 93.0 Oxbird 30/7 1192.5 2.38 1912.1 29.72 27.8
Flamingo 24/7 666.6 4.23 2.82 1277 25.40 88.5 81.0 77.8 Bunting 33/7 1192.5 2.76 1996.9 29.97 33.5
Egret 30/19 636 3.70 2.22 1469 25.88 137.4 124.5 117.0 Grackle 38/19 1192.5 2.27 2275.2 30.99 52.8
Scoter 30/7 636 3.70 3.70 1481 25.88 132.1 121.9 111.6 Scissortail 30/7 1272.0 2.46 2040.0 30.48 29.8
Grosbeak 26/7 636 3.97 3.09 1301 25.15 99.6 92.1 88.5 Bittern 35/7 1272.0 2.85 2130.8 30.99 35.7
Rook 24/7 636 4.14 2.76 1217 24.82 84.5 77.0 74.3 Pheasant 39/19 1272.0 2.34 2425.4 32.00 55.5
Teal 30/19 605 3.61 2.16 1397 25.25 130.3 118.3 111.2 Dipper 35/7 1351.5 2.93 2263.2 32.00 37.9
Wood Duck 30/7 605 3.61 3.61 1408 25.25 125.9 115.6 108.5 Martin 39/19 1351.5 2.41 2577.2 33.02 58.9
Squab 26/7 605 3.87 3.01 1237 24.54 94.7 87.6 84.5 Bobolink 36/7 1431.0 3.02 2397.2 32.77 40.2
Peacock 24/7 605 4.03 2.69 1159 24.21 80.5 73.4 70.7 Plover 39/19 1431.0 2.48 2729.0 34.04 62.3
Eagle 30/7 556.5 3.46 3.46 1296 24.21 117.9 109.0 101.9 Lapwing 36/7 1590.0 3.18 2663.5 34.54 44.0
Dove 26/7 556.5 3.72 2.89 1139 23.55 88.5 81.0 77.8 Falcon 42/19 1590.0 2.62 3032.5 35.81 69.3
Parakeet 24/7 556.5 3.87 2.58 1066 23.22 73.8 67.6 64.9 Chukar 37/19 1780.0 2.22 3066.8 36.83 56.8
Hen 30/7 477 3.20 3.20 1111 22.43 101.0 93.4 89.4 Bluebird 64/19 2156.0 2.44 3737.9 40.89 67.7
Hawk 26/7 477 3.44 2.67 975 21.79 76.1 69.4 66.3 1. All the data set out in this catalogue is given for information purpose and ZTT shall not be held responsible for its accuracy.
2. Typical Parameters for ACSS/TW (ASTM standard requirement).

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 Aluminum Conductor Steel Supported-ACSS(ASTM B857)

Diameter
Stranding Rated strength(kN) Avocet 30/7 1113.0 2.30 1784 28.70 77.8
(mm) Outside
Code Cross section Mass
Diameter
Name (MCM) (kg/km)
(mm)
Al/Steel Steel ACSS/HS/TW Bluejay 33/7 1113.0 2.66 1865 28.96 93.3

Flicker 18/7 477.0 2.39 911 19.81 63.1

Finch 38/7 1113.0 2.19 2124 30.23 147.6

Hawk 18/7 477.0 2.67 975 20.07 76.0

Oxbird 30/7 1192.5 2.38 1912 29.72 83.1

Parakeet 18/7 556.5 2.58 1063 21.34 73.8

Bunting 33/7 1192.5 2.76 1997 29.97 100.0

Dove 20/7 556.5 2.89 1137 21.59 88.5

Grackle 38/19 1192.5 2.27 2275 30.99 157.8

Rook 18/7 636.0 2.76 1217 22.61 84.5

Scissortail 30/7 1272.0 2.46 2040 30.48 88.9

Grosbeak 20/7 636.0 3.09 1299 23.11 99.6

Bittern 35/7 1272.0 2.85 2131 30.99 106.7

Tern 17/7 795.0 2.25 1326 24.38 67.6

Pheasant 39/19 1272.0 2.34 2426 32.00 165.8

Puffin 18/7 795.0 2.81 1449 24.89 91.6

Dipper 35/7 1351.5 2.93 2263 32.00 113.3

Condor 20/7 795.0 3.08 1518 25.15 103.6

Martin 39/19 1351.5 2.41 2577 33.02 176.0

Drake 20/7 795.0 3.45 1624 25.65 124.5

Bobolink 36/7 1431.0 3.02 2397 32.77 120.0

Phoenix 30/7 954.0 2.13 1530 26.67 67.6

Plover 39/19 1431.0 2.48 2729 34.04 186.2

Rail 32/7 954.0 2.47 1598 26.92 80.0

Lapwing 36/7 1590.0 3.18 2664 34.54 131.6

Cardinal 20/7 954.0 3.38 1826 27.43 124.5

Falcon 42/19 1590.0 2.62 3033 35.81 207.1

Snowbird 30/7 1033.5 2.21 1658 27.69 72.9

Ortolan 32/7 1033.5 2.57 1731 27.94 86.7 Chukar 37/19 1780.0 2.22 3067 36.83 169.8

Curlew 21/7 1033.5 3.51 1973 28.70 134.7 Bluebird 64/19 2156.0 2.44 3738 40.89 202.2

1. All the data set out in this catalogue is given for information purpose and ZTT shall not be held responsible for its accuracy.
2. Typical Parameters for ACSS/TW (ASTM standard requirement)

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 Thermal Resistant Conductor-TACSR/AW Thermal Resistant Conductor-TACSR/AW

Definition Structure
Outside
Weight Rated tensile strength DC resistance at 20℃ Capacity at 150℃

Code Nos.Diameter Diameter 14%IACS 20%IACS 14%IACS 20%IACS 14%IACS 20%IACS 14%IACS 20%IACS
●
TACSR/AW conductor is composed of aluminum- (mm) ACS ACS ACS ACS ACS ACS ACS ACS
clad steel core and thermal-resistant aluminum Al ACS mm kg/km kN Ω/km A
alloy wires, which is of simple structure, convenient 50/8 6/3.20 1/3.20 9.60 189.80 185.42 17.46 0.5817 0.5718 356 359
18.91
construction and maintenance, low cost and large 70/10 6/3.80 1/3.80 11.40 267.70 261.47 23.50 0.4125 0.4055 449 446
26.22
capacity.
70/40 12/2.72 7/2.72 13.60 484.20 461.77 68.92 60.38 0.3698 0.3506 510 496
95/20 7/4.16 7/1.85 13.87 396.40 386.00 42.42 37.71 0.2934 0.2876 566 561
95/55 12/3.20 7/3.20 16.00 670.20 639.12 97.27 83.19 0.2672 0.2533 630 614
Standard 120/7 18/2.90 1/2.90 14.50 374.70 371.00 29.06 27.67 0.2431 0.2417 626 624
120/25 7/4.72 7/2.10 15.74 510.50 497.06 54.64 48.58 0.2278 0.2234 668 661
IEC 61232 120/70 12/3.60 7/3.60 18.00 848.40 808.89 101.02 0.2110 0.2002 736 716
115.27
IEC 60024
150/8 18/3.20 1/3.20 16.00 456.20 451.73 34.55 33.11 0.1996 0.1985 712 710
IEC 61089
150/20 24/2.78 7/1.85 16.67 537.50 526.49 51.51 46.80 0.1953 0.1928 732 727
185/10 18/3.60 1/3.60 18.00 577.30 571.73 43.32 41.28 0.1578 0.1569 831 828
185/25 24/3.15 7/2.10 18.90 689.9 676.54 65.46 59.39 0.1522 0.1502 862 856
185/30 26/2.98 7/2.32 18.88 712.80 696.60 72.28 64.88 0.1559 0.1533 853 846
Structure 210/10 18/3.80 1/3.80 19.00 643.10 637.02 48.26 45.54 0.1416 0.1408 892 889
210/25 24/3.33 7/2.22 19.98 771.00 756.06 73.15 66.38 0.1362 0.1344 928 921
210/35 26/3.22 7/2.50 20.38 830.90 812.08 82.74 75.53 0.1335 0.1314 944 936
Aluminum clad steel (ACS) 210/50 30/2.98 7/2.98 20.86 928.20 901.31 102.73 92.47 0.1330 0.1300 956 945
14% or 20% IACS 240/30 24/3.60 7/2.40 21.60 901.20 883.64 84.23 77.58 0.1165 0.1150 1021 1028
240/40 26/3.42 7/2.66 21.66 938.30 917.00 93.53 85.37 0.1183 0.1164 1022 1014
Thermal resistant aluminum alloy
240/55 30/3.20 7/3.20 22.40 1070.50 1039.30 116.78 106.65 0.1153 0.1127 1050 1038
300/15 42/3.00 7/1.67 23.01 929.60 921.12 70.33 66.49 0.0977 0.0972 1141 1137
300/20 45/2.93 7/1.95 23.43 988.30 976.78 79.47 74.24 0.0953 0.0946 1162 1158
300/25 48/2.85 7/2.22 23.76 1040.30 1025.56 90.12 83.35 0.0939 0.0932 1177 1172
300/40 24/3.99 7/2.66 23.94 1107.00 1085.46 102.56 94.40 0.0948 0.0936 1176 1169
300/50 26/3.85 7/2.98 24.26 1177.00 1158.94 116.46 106.20 0.0944 0.0919 1187 1177
Technical characteristics 300/70 30/3.60 7/3.60 25.20 1354.80 1315.37 144.95 130.70 0.0911 0.0891 1226 1212
400/20 42/3.51 7/1.95 26.90 1271.90 1260.37 96.16 90.93 0.0713 0.0710 1401 1398
■ Big conveying capacity: 400/25 45/3.33 7/2.22 26.60 1277.30 1262.30 102.78 96.01 0.0737 0.0733 1375 1371
●
The current-carrying capacity of TACSR/AW conductor in 150℃ is 1.5 times that of ACSR with same area in 400/35 48/3.22 7/2.50 26.80 1326.30 1307.53 111.77 104.56 0.0736 0.0730 1381 1375
90℃. 400/50 54/3.07 7/3.07 27.60 1477.10 1448.57 136.26 126.94 0.0714 0.0705 1419 1409
400/65 26/4.42 7/3.44 28.00 1570.10 1532.21 153.34 140.32 0.0708 0.0697 1433 1422
■ Long working life: 400/95 30/4.16 19/2.50 29.10 1773.30 1743.67 194.94 175.35 0.0683 0.0667 1481 1465
●
The aluminum clad steel has good performance of resistance to electrochemical corrosion, and the working 500/35 45/3.75 7/2.50 30.00 1619.80 1600.79 114.51 107.30 0.0582 0.0578 1608 1602
life of conductor can reach more than 40 years. 500/45 48/3.60 7/2.80 30.00 1682.10 1635.49 141.29 132.23 0.0589 0.0584 1600 1592
500/65 54/3.44 7/3.44 31.00 1854.70 1818.78 168.94 155.92 0.0568 0.0561 1648 1638
630/45 45/4.22 7/2.81 33.75 2050.00 2026.52 161.30 152.20 0.0459 0.0456 1865 1857
630/55 48/4.12 7/3.20 34.30 2171.60 2141.05 179.44 169.30 0.0450 0.0446 1909 1898
630/80 54/3.87 19/2.32 34.80 2337.60 2290.32 214.41 197.54 0.0449 0.0444 1922 1909
800/55 45/4.80 7/3.20 38.40 2653.80 2622.74 207.17 197.03 0.0355 0.0353 2218 2209
800/70 48/4.63 7/3.60 38.60 2743.80 2704.94 223.98 209.73 0.0356 0.0353 2219 2210
800/100 54/4.33 19/2.60 39.00 2925.50 2869.32 268.71 247.52 0.0359 0.0355 2230 2215
1000/125 54/4.84 19/2.90 43.54 3651.00 3581.46 334.92 308.57 0.0287 0.0284 2569 2556
1440/120 84/4.67 19/2.80 51.36 4824.80 4759.37 393.77 369.20 0.0201 0.0199 3194 3180

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 ISO Certificates References

Country Conductor type Total lengh

Thailand ZTACIR 500 mm2 20.55 km

Thailand STACIR 435 mm2 473 km

Nigeria ZTACIR 190 mm2 218 km

Nigeria GZTACSR 410 mm2 180 km

Nigeria GZTACSR 185 mm2 1830 km

India ZTACIR 524 mm2 121.75 km

India GZTACSR 630 mm2 567 km

Zambia STACIR 145 mm2 330 km

Vietnam GZTACSR 310 mm2 76.49 km

Vietnam GZTACSR 410 mm2 223 km

USA ACSS/AW Thrasher 715.06 km

Poland ACSS/TW Ostrich 46.995 km

Panama ACSS/AW PEACOCK 352 km

China ACSS/TW 240 mm2 56.56 km

China ACSS/TW 250 mm2 50.56 km

China ACSS/TW 300 mm2 67.32 km

China GZTACSR 240 mm2 67.012 km

China GZTACSR 300 mm2 24 km

ZTT has established a complete, advanced quality inspection center of controlling raw materials and products China GZTACSR400 mm2 62 km
quality. To ensure high quality of conductors, ZTT always selects raw materials of international and domestic brands.
China ZTACIR 240 mm2 181.87 km
ZTT also has received authentifications of ISO 9001, ISO 14001 and ISO 45001.

China ZTACIR 300 mm2 75 km

China ZTACIR 345 mm2 20.56 km

China ZTACIR 350 mm2 57.25 km

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