Prysmian Group We have developed and put into use a line of cable products for the mining industry. This is the result of fruitful cooperation between the company and the giants of the industry, identification of the fundamental needs of the industry and successful time testing of all technologies used. The use of innovative materials and advanced engineering solutions has formed a reliable, durable and functional product. The cable for open and underground excavation is characterized by increased mechanical resistance and is ready for operation in the most extreme conditions.
Prysmian PROTOMONT Type 321, Type 331 Shaft Cable medium voltage (1.9 - 3.3 kV) has a solid construction, is used to connect stationary equipment in underground mines, as an extension cable on the roadway of the mine, to organize lighting of rock formations.
Technical characteristics of the shaft cable Prysmian PROTOMONT Type 321, Type 331:
Number of conductive cores: up to 4;Core cross-section: up to 150 mm2;
Core diameter: up to 16.6 mm;
Conductor: copper, tinned, thin-wire;
Configuration: Class 5 according to BS 6360;
Core markings: red, yellow, brown, protective grounding conductor yellow-green;
Insulation: PROTOLON, based on ethylene propylene rubber (EPR);
Inner shell: chloroprene rubber, color red;
Screen: composite braid (copper/nylon),
Protective layer: durable galvanized steel wire armor;
Outer shell: PROTOFIRM based on chloroprene rubber, color red;
The maximum permissible temperature for the conductor: +90 C;
Stationary temperature: -40 °C ... +80 °C;
Movable temperature: -25 °C ... +60 °C;
Standard Sizes: Type 321, Type 331;
Environmental requirement: unlimited outdoor and indoor operation, resistant to ozone and moisture, fire resistance IEC 60332-1-2, oil resistance according to EN 60811-404.
