1、 Application
These cables are suitable for use in railway signal interlock, fire alarm signal electrode and automatic devices for fixed installation up to 250V, a c and 500V, d c.
2、 Cable Type and designation
|
Type |
Designation |
|
PVV |
PVC insulated and sheathed signal cable |
|
PYV |
PE insulated PVC sheathed signal cable |
|
PYY |
PE insulated and sheathed signal cable |
|
PVV22 |
PVC insulated and sheathed signal cable with steel tape armouring |
|
PYV22 |
PE insulated PVC sheathed signal cable with steel tape armouring |
3、 Cable size
|
Type |
Nominal conductor diameter |
Number of cores |
|
PVV
PYV
PYY |
0.8
1.0 |
2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 19, 24, 30, 37, 44, 48, 61 |
|
PVV22
PYV22
PYY22 |
9, 10, 12, 14, 19, 24, 30, 37, 44, 48, 61 |
|
Insulation |
Insulation resistance |
|
PVC |
40 |
|
PE |
100 | |
