Mechanical and Thermal Properties
Temperature range during operation (fixed state): -30°C – +70°C
Temperature range during installation (mobile state): -20°C – +50°C
Minimum bending radius: 10 x Overall Diameter (unarmoured cables);15 x Overall Diameter (armoured cables)
Colour Code
Standard colour code is per GR-421 given in Colour Code Chart
Dimensions And Weight
Solid PE Insulated and AP Sheathed (ALPETH) Air Core Cable to GR-421
Cable Code |
Nombre de paires |
Gaine Epaisseur nominale mm/inch |
Diamètre nominal mm/inch |
Poids nominal kg/km / lbs/kft |
| 0.4mm Conductor, 0.75mm Insulated Wire |
| TP421-2Y(A)2Y-25P04 |
25 |
1.5/0.059 |
12.0/0.47 |
141/95 |
| TP421-2Y(A)2Y-50P04 |
50 |
1.5/0.059 |
14.5/0.57 |
231/155 |
| TP421-2Y(A)2Y-100P04 |
100 |
1.7/0.067 |
18.5/0.73 |
394/265 |
| TP421-2Y(A)2Y-200P04 |
200 |
1.7/0.067 |
24.6/0.97 |
729/490 |
| TP421-2Y(A)2Y-300P04 |
300 |
1.8/0.071 |
28.0/1.10 |
1034/695 |
| TP421-2Y(A)2Y-400P04 |
400 |
1.9/0.075 |
33.0/1.30 |
1346/905 |
| TP421-2Y(A)2Y-600P04 |
600 |
2.1/0.083 |
38.1/1.50 |
1964/1320 |
| TP421-2Y(A)2Y-900P04 |
900 |
2.2/0.087 |
45.7/1.80 |
2931/1970 |
| TP421-2Y(A)2Y-1200P04 |
1200 |
2.4/0.094 |
53.3/2.10 |
3868/2600 |
| TP421-2Y(A)2Y-1500P04 |
1500 |
2.5/0.098 |
58.4/2.30 |
4791/3220 |
| TP421-2Y(A)2Y-1800P04 |
1800 |
2.5/0.098 |
63.5/2.50 |
5713/3839 |
| TP421-2Y(A)2Y-2000P04 |
2000 |
2.5/0.098 |
66.0/2.60 |
6348/4266 |
| TP421-2Y(A)2Y-2100P04 |
2100 |
2.5/0.098 |
68.6/2.70 |
6636/4459 |
| 0.5mm Conductor, 0.9mm Insulated Wire |
| TP421-2Y(A)2Y-25P05 |
25 |
1.5/0.059 |
13.2/0.52 |
195/131 |
| TP421-2Y(A)2Y-50P05 |
50 |
1.5/0.059 |
16.5/0.65 |
330/222 |
| TP421-2Y(A)2Y-100P05 |
100 |
1.7/0.067 |
21.8/0.86 |
590/396 |
| TP421-2Y(A)2Y-200P05 |
200 |
1.7/0.067 |
28.0/1.10 |
1100/739 |
| TP421-2Y(A)2Y-300P05 |
300 |
1.7/0.067 |
35.6/1.40 |
1620/1089 |
| TP421-2Y(A)2Y-400P05 |
400 |
1.8/0.071 |
38.1/1.50 |
2120/1425 |
| TP421-2Y(A)2Y-600P05 |
600 |
2.0/0.079 |
48.3/1.90 |
3120/2097 |
| TP421-2Y(A)2Y-900P05 |
900 |
2.2/0.087 |
55.9/2.20 |
4580/3078 |
| TP421-2Y(A)2Y-1200P05 |
1200 |
2.4/0.094 |
63.5/2.50 |
6070/4079 |
| TP421-2Y(A)2Y-1500P05 |
1500 |
2.5/0.098 |
71.2/2.80 |
7530/5060 |
| TP421-2Y(A)2Y-1600P05 |
1600 |
2.5/0.098 |
76.2/3.00 |
7700/5174 |
| TP421-2Y(A)2Y-1800P05 |
1800 |
2.5/0.098 |
78.7/3.10 |
8985/6038 |
| 0.63mm Conductor, 1.15mm Insulated Wire |
| TP421-2Y(A)2Y-25P063 |
25 |
1.5/0.059 |
15.5/0.61 |
275/185 |
| TP421-2Y(A)2Y-50P063 |
50 |
1.5/0.059 |
20.1/0.79 |
476/320 |
| TP421-2Y(A)2Y-100P063 |
100 |
1.7/0.067 |
28.0/1.10 |
885/595 |
| TP421-2Y(A)2Y-200P063 |
200 |
1.7/0.067 |
38.1/1.50 |
1666/1120 |
| TP421-2Y(A)2Y-300P063 |
300 |
1.7/0.067 |
43.2/1.70 |
2455/1650 |
| TP421-2Y(A)2Y-400P063 |
400 |
1.8/0.071 |
48.3/1.90 |
3229/2170 |
| TP421-2Y(A)2Y-600P063 |
600 |
1.9/0.075 |
58.4/2.30 |
4791/3220 |
| TP421-2Y(A)2Y-900P063 |
900 |
2.1/0.083 |
71.2/2.80 |
7082/4759 |
| TP421-2Y(A)2Y-1200P063 |
1200 |
2.2/0.087 |
81.3/3.20 |
9388/6308 |
| 0.9mm Conductor, 1.5mm Insulated Wire |
| TP421-2Y(A)2Y-25P09 |
25 |
1.5/0.059 |
20.1/0.79 |
476/320 |
| TP421-2Y(A)2Y-50P09 |
50 |
1.5/0.059 |
28.0/1.10 |
885/595 |
| TP421-2Y(A)2Y-100P09 |
100 |
1.7/0.067 |
38.1/1.50 |
1651/1109 |
| TP421-2Y(A)2Y-200P09 |
200 |
1.7/0.067 |
48.3/1.90 |
3199/2150 |
| TP421-2Y(A)2Y-300P09 |
300 |
1.7/0.067 |
61.0/2.40 |
4746/3189 |
 Air Core Cables to GR-421-2_clip_image003_0000.gif)
Fig 8 Solid PE Insulated & AP Sheathed (Alpeth) Air Core Cable to GR-421
| Cable Code |
Nombre de paires |
Support Messenger
Wire Diameter
mm/inch |
Gaine Epaisseur nominale
mm/inch |
Diamètre nominal
mm/inch |
Poids nominal
kg/km / lbs/kft |
| 0.4mm Conductor, 0.75mm Insulated Wire |
TP421-2Y(A)2Y-25P04-SS |
25 |
7/6.35 / 7/0.25 |
1.5/0.059 |
14.2/0.56 |
379/255 |
TP421-2Y(A)2Y-50P04-SS |
50 |
7/6.35 / 7/0.25 |
1.5/0.059 |
16.8/0.66 |
469/315 |
TP421-2Y(A)2Y-100P04-SS |
100 |
7/6.35 / 7/0.25 |
1.7/0.067 |
20.6/0.81 |
632/425 |
TP421-2Y(A)2Y-200P04-SS |
200 |
7/6.35 / 7/0.25 |
1.7/0.067 |
25.4/1.00 |
952/640 |
TP421-2Y(A)2Y-300P04-SS |
300 |
7/6.35 / 7/0.25 |
1.8/0.071 |
30.5/1.20 |
1257/845 |
| 0.5mm Conductor, 0.9mm Insulated Wire |
TP421-2Y(A)2Y-25P05-SS |
25 |
7/6.35 / 7/0.25 |
1.5/0.059 |
16.0/0.63 |
431/290 |
TP421-2Y(A)2Y-50P05-SS |
50 |
7/6.35 / 7/0.25 |
1.5/0.059 |
19.3/0.76 |
565/380 |
TP421-2Y(A)2Y-100P05-SS |
100 |
7/6.35 / 7/0.25 |
1.7/0.067 |
24.6/0.97 |
826/555 |
TP421-2Y(A)2Y-200P05-SS |
200 |
7/6.35 / 7/0.25 |
1.7/0.067 |
30.5/1.20 |
1317/885 |
| 0.63mm Conductor, 1.15mm Insulated Wire |
TP421-2Y(A)2Y-25P063-SS |
25 |
7/6.35 / 7/0.25 |
1.5/0.059 |
17.8/0.70 |
513/345 |
TP421-2Y(A)2Y-50P063-SS |
50 |
7/6.35 / 7/0.25 |
1.5/0.059 |
22.4/0.88 |
714/480 |
TP421-2Y(A)2Y-100P063-SS |
100 |
7/6.35 / 7/0.25 |
1.7/0.067 |
30.5/1.20 |
1116/750 |
| 0.9mm Conductor, 1.5mm Insulated Wire |
TP421-2Y(A)2Y-25P09-SS |
25 |
7/6.35 / 7/0.25 |
1.5/0.059 |
22.4/0.88 |
714/480 |
TP421-2Y(A)2Y-50P09-SS |
50 |
7/6.35 / 7/0.25 |
1.5/0.059 |
30.5/1.20 |
1108/745 |
 Air Core Cables to GR-421-2_clip_image002_0001.jpg)
 Air Core Cables to GR-421-2_clip_image002_0003.gif)
Solid PE Insulated & PAP Sheathed Air Core Cable to GR-421
| Cable Code |
Nombre de paires |
Gaine Epaisseur nominale |
Diamètre nominal
mm/inch |
Poids nominal
kg/km / lbs/kft |
| Inner |
Outer |
| mm/inch |
mm/inch |
| 0.4mm Conductor, 0.75mm Insulated Wire |
TP421-2Y2Y(A)2Y-50P04 |
50 |
1.2/0.047 |
1.5/0.059 |
16.0/0.630 |
275/185 |
TP421-2Y2Y(A)2Y-100P04 |
100 |
1.2/0.047 |
1.5/0.059 |
20.0/0.787 |
446/300 |
TP421-2Y2Y(A)2Y-200P04 |
200 |
1.2/0.047 |
1.5/0.059 |
25.0/0.984 |
781/525 |
TP421-2Y2Y(A)2Y-400P04 |
400 |
1.2/0.047 |
1.5/0.059 |
34.0/1.34 |
1443/970 |
TP421-2Y2Y(A)2Y-600P04 |
600 |
1.6/0.063 |
2.0/0.079 |
40.0/1.57 |
2098/1410 |
TP421-2Y2Y(A)2Y-900P04 |
900 |
1.6/0.063 |
2.0/0.079 |
48.0/1.89 |
3043/2045 |
TP421-2Y2Y(A)2Y-1200P04 |
1200 |
1.6/0.063 |
2.0/0.079 |
54.0/2.13 |
4010/2695 |
| 0.5mm Conductor, 0.9mm Insulated Wire |
| TP421-2Y2Y(A)2Y-25P05 |
25 |
1.2/0.047 |
1.5/0.059 |
16.0/0.630 |
251/169 |
TP421-2Y2Y(A)2Y-50P05 |
50 |
1.2/0.047 |
1.5/0.059 |
18.0/0.709 |
380/255 |
TP421-2Y2Y(A)2Y-100P05 |
100 |
1.2/0.047 |
1.5/0.059 |
23.0/0.906 |
640/430 |
TP421-2Y2Y(A)2Y-200P05 |
200 |
1.6/0.063 |
1.8/0.071 |
30.0/1.18 |
1146/770 |
TP421-2Y2Y(A)2Y-300P05 |
300 |
1.6/0.063 |
1.8/0.071 |
36.0/1.42 |
1682/1130 |
TP421-2Y2Y(A)2Y-400P05 |
400 |
1.6/0.063 |
2.0/0.079 |
41.0/1.61 |
2195/1475 |
TP421-2Y2Y(A)2Y-600P05 |
600 |
1.8/0.071 |
2.3/0.090 |
49.0/1.93 |
3215/2160 |
TP421-2Y2Y(A)2Y-900P05 |
900 |
2.0/0.079 |
2.5/0.098 |
59.0/2.32 |
4747/3190 |
TP421-2Y2Y(A)2Y-1200P05 |
1200 |
2.2/0.079 |
2.7/0.106 |
67.0/2.64 |
6198/4165 |
| 0.63mm Conductor, 1.15mm Insulated Wire |
| TP421-2Y2Y(A)2Y-25P063 |
25 |
1.2/0.047 |
1.5/0.059 |
17.0/0.669 |
320/215 |
TP421-2Y2Y(A)2Y-50P063 |
50 |
1.2/0.047 |
1.5/0.059 |
22.0/0.866 |
535/360 |
TP421-2Y2Y(A)2Y-100P063 |
100 |
1.2/0.047 |
1.5/0.059 |
28.0/1.10 |
945/635 |
TP421-2Y2Y(A)2Y-200P063 |
200 |
1.6/0.063 |
2.0/0.079 |
37.0/1.46 |
1771/1190 |
TP421-2Y2Y(A)2Y-400P063 |
400 |
1.8/0.071 |
2.3/0.091 |
51.0/2.01 |
3363/2260 |
TP421-2Y2Y(A)2Y-600P063 |
600 |
2.0/0.079 |
2.5/0.098 |
62.0/2.44 |
5015/3370 |
| 0.9mm Conductor, 1.5mm Insulated Wire |
| TP421-2Y2Y(A)2Y-25P09 |
25 |
1.2/0.047 |
1.5/0.059 |
21.0/0.827 |
528/355 |
TP421-2Y2Y(A)2Y-50P09 |
50 |
1.2/0.047 |
1.5/0.059 |
27.0/1.06 |
930/625 |
TP421-2Y2Y(A)2Y-100P09 |
100 |
1.6/0.063 |
2.0/0.079 |
36.0/1.42 |
1741/1170 |
TP421-2Y2Y(A)2Y-200P09 |
200 |
1.8/0.071 |
2.3/0.091 |
50.0/1.97 |
3319/2230 |
1 2
Solid PE Insulated & AP Sheathed (ALPETH) Air Core Cables to GR-421