PVC Insulated & PVC Sheathed Refractory Control Cable
Uses:
The product is suitable to be adopted as the control cable for all daily-used electrical appliance, instrument, gauge and telecommunication equipment with refractory requirement and? power frequency rated voltage 450/750kV or less.
The product also can be adopted as the signal, circuit protection and measurement-used control cable with refractory requirement and power frequency rated voltage 0.6/1kV or less.
Model Number and Product Name:
Model Number |
Product Name |
NH (B)-KVV |
Copper-Core PVC Insulated & PVC Sheathed B-Refractory Control Cable |
NH A-KVV |
Copper-Core PVC Insulated & PVC Sheathed A-Refractory Control Cable |
NH (B)-KVVP |
Copper-Core PVC Insulated & PVC Sheathed Copper-Wire Braided & Shielded B-Refractory Control Cable |
NH A-KVVP |
Copper-Core PVC Insulated & PVC Sheathed Copper-Wire Braided & Shielded A-Refractory Control Cable |
NH (B)-KVVP2 |
Copper-Core PVC Insulated & PVC Sheathed Copper-Strip Shielded B-Refractory Control Cable |
NH A-KVVP2 |
Copper-Core PVC Insulated & PVC Sheathed Copper-Strip Shielded A-Refractory Control Cable |
NH (B)-KVV22 |
Copper-Core PBC Insulated & PVC Sheathed Steel-Tape Armored B-Refractory Control Cable |
NH A-KVV22 |
Copper-Core PBC Insulated & PVC Sheathed Steel-Tape Armored A-Refractory Control Cable |
NH (B)-KVVP-22 |
Copper-Core PVC Insulated & PVC Sheathed Copper-Wire Braided & Shielded & Steel-Tape Armored B-Refractory Control Cable |
NA A-KVVP-22 |
Copper-Core PVC Insulated & PVC Sheathed Copper-Wire Braided & Shielded & Steel-Tape Armored A-Refractory Control Cable |
NH (B)-KVVP2-22 |
Copper-Core PVC Insulated & PVC Sheathed Copper-Strip Shielded & Steel-Tape Armored B-Refractory Control Cable |
NH A-KVVP2-22 |
Copper-Core PVC Insulated & PVC Sheathed Copper-Strip Shielded & Steel-Tape Armored A-Refractory Control Cable |
Single conductor (A) or 7-strand cross (B) can be adopted as cable conductor.
Performance Characteristics:
Direct-current electric resistance and insulation resistance of cable conductor is in conformity to the following list:
Nominal Cross Section mm2 |
DC ResistanceΩ/km at 200C
≤ |
Insulation Resistance MΩ.km ≥ |
450/750V |
600/1000V |
200C |
700C |
200C |
700C |
0.75 |
24.7 |
12.0 |
0.012 |
14.2 |
0.0142 |
1.0 |
18.2 |
11.0 |
0.0110 |
12.6 |
0.0126 |
1.5 |
12.1 |
10.0 |
0.0100 |
11.0 |
0.0110 |
2.5 |
7.41 |
9.0 |
0.0090 |
9.31 |
0.0093 |
4 |
4.61 |
7.7 |
0.0077 |
9.20 |
0.0092 |
6 |
3.08 |
6.5 |
0.0065 |
7.88 |
0.0078 |
Core intervals and gap between core and screening material of finished cable should stand the test of power frequency AC voltage.
450/750V 3000V x 5min
|
600/1000V 3500V x 5min |
The refractory performance should be in conformity to the requirement for refractory test of A and B-Category specified in the Standard of GB/T19216.21-2003 and IEC60331-1999.
The flame retarding control cable (“ZRA-“, “ZRB-“ and“ZR(C )-”) can be manufactured following the Standard of GB/T18380.3-2001 (same effect with that of IEC60332) according to different requirements of users. |
