1. AC rated voltage: U. /U (V series: 600/1000V, K series: 450/750V, B series: 450/750V).

2. high and long-term working temperature of cable

(1) vinylidene fluoride insulation and sheath: two at 70 C and 105 C; XLPE insulation: 90 C;

(2) Fluorocarbon insulation and sheath: two kinds at 220 and 260 degrees; fluoroplastic insulation and 105 degree flame retardant polyvinyl fluoride jacket: two at 90 and 125 degrees Celsius.

(3) low halogen and low smoke flame retardant PVC insulation and sheath: 70 degrees; halogen free low smoke flame retardant polyolefin insulation and sheath: 90 and 125 degrees two.

3. ambient temperature:

(1) flame-retardant PVC insulation and sheath: fixed at -40 C; unfixed -15 C;

(2) Fluorocarbon insulation and sheath: fixed at -60 C; fixed at -20 C;

4. the safe laying temperature of cables should not be below 0 C.

5. fire resistance characteristics:

Comply with GA 306.2-2007 and GB/T 19216.21-2003 regulations

Flame temperature, flame temperature 950 C -1000 C, flame temperature 750 C -800 C

Burning time and burning time 90min (recommended) burning time 90min (recommended)

Additional voltage rated voltage (Zui small 100V) rated voltage (Zui small 100V)

Fire resistance class A (grade IA ~IVA) I~IV class

6. the allowable bending radius recommended for installation: the non armored and braided shielded cables shall be not less than 6 times the outer diameter of the cables.

The steel tape armored cable should not be less than 12 times of the outer diameter of the cable.

Fluorine plastic insulation and sheathing material cable should not be less than 8 times of the outer diameter of cable.