KVV cable is a copper-core PVC-insulated, PVC-sheathed control cable. It consists of four components: conductor, insulation layer, tape, and sheath. This type of cable is a multi-core cable and offers excellent resistance to high temperatures, cold weather, and aging. It is generally used for fixed, unshielded installations indoors, in cable trenches, and in ducts.
KVVR is a copper-core PVC-insulated, PVC-sheathed control flexible cable. Compared to KVV cable, KVVR cable is more flexible and can withstand greater mechanical stress and bending. Therefore, it is suitable for use in rooms with flexible surfaces or in unshielded areas where movement is required.
The cable letters represent the following:
K: Control cable;
The first V: Insulation material: PVC;
The second V: Sheath material: PVC;
R: Flexible cable.
What are the differences between KVV and KVVR cables?
1. KVV cables are copper-core, PVC-insulated, and PVC-sheathed control cables, while KVVR cables are copper-core, PVC-insulated, and PVC-sheathed flexible control cables.
2. The two cables have different cores. KVV cables have a harder core, representing a rigid copper conductor, while KVVR cables have a softer core, representing a flexible copper conductor.
3. The two cables are suitable for different applications. Although both are suitable for control or monitoring circuits with a rated voltage or below, KVV cables are mostly installed indoors, in cable trenches, ducts, and other fixed, unshielded locations, while KVVR cables are mostly used in indoor locations with flexible conditions or in unshielded locations where movement is required.
Basic Characteristics of Control Cables:
1. Implementation of GB9330-88 Standard
2. The permissible operating temperature of the core conductor is 70°C. The ambient temperature during cable installation must not be lower than 0°C.
3. The cable can be manufactured with 2-61 cores.
