Product description
1 Compacted aluminum conductor, class 2, according to SR EN 60228.
2 Extruded semiconductor screen.
3 XLPE insulation
4 Extruded semiconductor screen
5 Water-blocking semiconductor tape.
6 Copper wire screen
7 Copper tape
8 Water-blocking semiconductor tape
9 Manta exterioara de PE
The cables are intended for the distribution of electrical energy in fixed installations, indoors, outdoors, and buried.
The cables are flame retardant.
Standard reference: SR HD 620 S2
Product standard: ST 650 Distributie Energie Oltenia
Rated voltage: Uo/U(Um) = 12,7/22 (25) kV
Minimum installation temperature of the cable: -20 °C (measured on the sheath)
Maximum allowable temperature on the conductor
– during normal operation: +90 °C
– during short circuit (max. 5 s): 250 °C
Maximum temperature on the conductor under overload conditions: +130 °C, 8 hours consecutively, but not more than 125 hours/year
Test voltage (50Hz, 5 min): 50 kV
Partial discharge level: max. 2 pC la tensiunea 2Uo (25,4kV)
Minimum bending radius during installation: 15 x exterior diameter
- + Construction
1 Compacted aluminum conductor, class 2, according to SR EN 60228.
2 Extruded semiconductor screen.
3 XLPE insulation
4 Extruded semiconductor screen
5 Water-blocking semiconductor tape.
6 Copper wire screen
7 Copper tape
8 Water-blocking semiconductor tape
9 Manta exterioara de PE- + Field of use
The cables are intended for the distribution of electrical energy in fixed installations, indoors, outdoors, and buried.
The cables are flame retardant.- + Technical data
Standard reference: SR HD 620 S2
Product standard: ST 650 Distributie Energie Oltenia
Rated voltage: Uo/U(Um) = 12,7/22 (25) kV
Minimum installation temperature of the cable: -20 °C (measured on the sheath)
Maximum allowable temperature on the conductor– during normal operation: +90 °C
– during short circuit (max. 5 s): 250 °CMaximum temperature on the conductor under overload conditions: +130 °C, 8 hours consecutively, but not more than 125 hours/year
Test voltage (50Hz, 5 min): 50 kV
Partial discharge level: max. 2 pC la tensiunea 2Uo (25,4kV)
Minimum bending radius during installation: 15 x exterior diameter