Working Conditions:
1.Rated voltage: 300/500(YZ type), 450V(YC type)
2.The long-term working temperature of conductor should be no longer than 65*C
3.W type cables have weather-proof character and certain grease-proof character and are suitable for outdoor usage and the occasion with greasy dirt.
Characteristics:
1.Rated power-frequency voltage U0/U: 450/750V, 300/500V and 300/300V.
2.Maximum permitted operating temperature of conductor is 60° C.
3.Permitted lowest working temperature is -35° C.
4.Cables can be used at places contaminated by mineral oil and fuel oil.
5.D>25mm
The minimum bending radius is over 6 times of cable diameter.
D≤ 25mm
The minimum bending radius is over 4 times of cable diameter.
(D-Diameter of the cable)
Flexible Electric Trailing Rubber Cables for use in mines
3+1 Core YZ, YZW model . Rubber-Sheathed Flexible Cable(300/500V) | |||||||
Spec(mm 2 ) | Conductor Construction (mm) | Average outer diameter(mm 2 ) | Max. DC resistance at 20°C(Ω/km) | Reference weight (kg/km) | |||
Min | Max | copper | tinned copper | YZ | YZW | ||
3×1.5+1×1.0 | 30/0.25+32/0.20 | 9.4 | 12 | 13.3 | 13.7 | 170.1 | 181.9 |
3×2.5+1×1.5 | 49/0.25+30/0.25 | 11 | 14 | 7.98 | 8.21 | 246.8 | 262.9 |
3×4+1×2.5 | 56/0.30+49/0.25 | 13 | 16 | 4.95 | 5.09 | 359.1 | 380.52 |
3×6+1×4 | 84/0.30+56/0.30 | 14.5 | 19.5 | 3.3 | 3.39 | 542.1 | 572.5 |
