Cable model ZB and ZR What is the difference
Cable tray, cable tray, usually made of steel or aluminum alloy, which is the bottom of the ladder called the ladder bridge, the bottom of the plate called the trough bridge, trough bridge is also called the cable tray Width is generally more than 100mm, and occasionally 75-80mm The maximum width is generally no more than 12m Suitable for factories and other cable more and lay the path of the local concentration of choice Cable trench in the ground production of the channel, usually for the brick cement plaster, suitable for less ground equipment, cable and lay the path of the local concentration of the selection, generally with the ground above the cable bridge used together
Fire intensity is not high, can not be arranged high current cable
Cable trough, generally the material of this PVC trough, the width of not more than 80mm, height of not more than 50mm, suitable for the layout of a small number of cables, wires
ZR is the meaning of flame retardant, flame retardant A, B, C three, ZB on behalf of B-class flame retardant, ZR default C-class flame retardant. Flame retardant properties ZA & gt; ZB & gt; ZC. Flame retardant rubber cable one, use This product is mine rubber flexible cable products. Applicable to rated voltage Uo / U for 1.9 / 3.3KV and below coal and similar equipment for power connection. More use in coal mines. Second, the use of conditions Long-term permissible operating temperature of 65 ℃, the minimum bending radius of the cable diameter of 6 times the cable. The yellow sheathed cable must not be exposed to sunlight for long periods of time.
