Circular Elevator Control Cables Fluoroplastic Insulated RF Coaxial Cable

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
100 m
Supply Capability:
100000 m/month

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Product Description:

The product is manufactured according to the standards of GB/T5023.5-1997 . is suitable for connection of elevator equipment .The cable using PVC insulation and sheath, rated voltage 300/500V ,rated temperature is 70 ℃ Providing various wires and cables in accordance with designated specification.


二、Product structure
 

Conductor core and nominal
      cross-sectional area(mm²)
Insulation Thickness(mm)Thickness 
     of sheath(mm)
Average outer 
     Diameter Limit(mm)
Min.RESIST at 70℃ (MΩ.Km)
LowerUpper
6*0.750.40.89.66.50.011
6*10.61.011.08.70.010
6*1.50.71.113.39.90.010
6*2.50.81.215.812.40.009
7*0.750.40.89.66.50.011
7*10.61.111.0
0.010
7*1.50.71.113.3
0.010
8*0.750.41.010.6
0.011
8*10.61.213.2
0.010
8*1.50.71.214.2
0.010
10*0.750.41.013.2
0.011
10*10.61.214.5
0.010
12*0.750.41.213.2
0.011
12*10.61.214.8
0.010
15*0.750.41.214.0
0.011
15*10.61.215.5
0.010
16*0.750.41.214.0
0.011
16*10.61.215.5
0.010
19*0.750.41.215.0
0.011
19*10.61.217.8
0.010
20*0.750.41.215.5
0.011
20*10.61.218.3
0.010
24*0.750.41.217.0
0.011
24*10.61.220.5
0.010
25*0.750.41.217.1
0.011
25*10.61.220.8
0.010
30*0.750.41.419.5
0.011
30*10.61.422.6
0.010
37*0.750.41.421.6
0.011
37*10.61.423.0
0.010
40*0.750.41.421.8
0.011
40*10.61.425.5
0.010
41*0.750.41.422.5
0.011
41*10.61.427.0
0.010


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Q:The living room to the bedroom cable does not work
1 TV inside the 400V filter capacitor damage 2 audio and video cable connection is not good or poor quality 3 you put the TV volume dots, set-top box volume can be improved
Q:Emergency cable T-box and cable distribution box of the information?
The incoming and outgoing wires are electrically connected together The potential is the same, which is suitable for tapping or branch wiring It is common practice to add the number of lines back to the number of times The three-branch cable splitter box, which has three equipotential bonding points on each phase, can be used as a second or two-in-one Cable distribution box contains U, V, W three-phase, three-phase circuit structure is the same, along the row together 2 High-level distribution box High-level distribution box containing switching equipment, both from the ordinary distribution box of the tap, branch, but also from the power supply circuit control, conversion and change the mode of operation The switch fence roughly divides the cable circuit into the inlet and outlet sides, and the potential on both sides can be different The switchgear itself has a larger volume, so the high-level distribution box size is relatively large, the height is generally 14 ~ 18m, the depth of about 09 ~ 10m, the length of the number of switching devices according to the number, M to 24 m The shape of the box is similar to that of an outdoor box transformer, and there are a number of active doors on the shell Some doors are designed for the operation of the switchgear Some doors are provided for the installation or maintenance of the cable connection device The
Q:What is the difference between VV22 and VV62?
The conductor of the cable is resistive, and the current when the cable is running through the conductor to heat up. In a certain installation, ambient temperature conditions, the heat generated by the conductor current and cable in the operating environment under the conditions of the heat dissipation is equal, when the current is safe operating current, which is commonly referred to as the cable carrying capacity. Cable carrying capacity is in a certain installation, ambient temperature conditions, the load, so the installation, the ambient temperature conditions are different, carrying capacity is different from the ambient temperature changes, the safe current is also to change. Therefore, if the cable is running at a certain installation and ambient temperature, if the actual carrying capacity of the cable exceeds the safe cut-off, the heat generated by the conductor is greater than the heat of the distribution, the cable will heat up; the same time when the ambient temperature increases The ability to heat down, if the current carrying capacity is not reduced, the cable is to heat.
Q:"Cable laying" cable cross-sectional area refers to the cable cross-sectional area, or refers to the copper core cross-sectional area
YJV22 indicates "copper core XLPE insulated, steel tape armored PVC sheathed power cable" 0.6 / 1KV indicates its pressure rating, 5 * 10 represents the cross-sectional area of each wire diameter Is square mm, referred to as the square, the diameter of the conversion is 4.05
Q:Ceiling on the wire after the tube is the tube on how to fix it on the ceiling?
Or with 6 points to the difference, but almost a few money, but you know when threading, 6 points is absolutely more effort, the line is also effort, the wire protection is also good!
Q:PVC pipe line 6 points and 4 points which big ah?
35 square copper wire current carrying capacity is 105A, 105A / 35 mm2 = 3A, (1 square millimeter carrying capacity is 3A) 70 square copper wire current carrying capacity is 169A, 169A / 70 square millimeters = 24A (1 square millimeter carrying capacity is 24A) 1 square hai load current from 11A gradually become 24A So it is impossible to use n by the coefficient can be drawn to the current value Wire can carry the current * the applied voltage * power factor = can drive power The diameter of the wire with different diameter is not the same No specific diameter can not know the current carrying capacity How much power, depending on the voltage level Because P = UI As the saying goes: a square 4 current, underground than this small forget How much is the square here is a square millimeter Power depends on your voltage, the general small line can be directly by 5 is to eat the current to 50-120 the basic can take more than 35 can take 25 or so just personal experience to do reference to the need for basic data: 1 line, copper and iron Aluminum silver temperature 3 core number 4 diameter Probably take a square 5A diameter n square of the wire can be over n high current, resulting in n high power so that can be calculated
Q:What is the radiation of the laser scanning scanner?
Semi-conductive shield The semi-conductive shield is usually disposed on the outer surface of the conductive core and the outer surface of the insulating layer, referred to as the inner semiconducting shield and the outer semiconducting shield, respectively The semiconducting shield is made of a semi-conductive material with a low resistivity and a low thickness Internal semiconducting shielding layer is to uniform the outer surface of the electric field, to avoid the conductor surface is not smooth and the core stranded by the air gap caused by the conductor and insulation occurred partial discharge The outer semiconducting shield is in good contact with the outer surface of the insulating layer and is electrically connected with the metal sheath to avoid partial discharge of the metal sheath due to defects such as cable insulation surface cracks For non-metallic jacket in the low-voltage power cable, in addition to the semi-conductive shielding layer, but also to increase the metal shield Metal shield is usually made of copper or copper wire wrapped around the main play the role of shielding the electric field
Q:How long is the service life of the cable?
cable bridge and other pipes and other facilities shall not share a column (bracket)
Q:What is the wiring principle in the home improvement circuit?
Section 4 "Downhole Cable" Article 466 No cable should be laid in the total return airway and the dedicated return airway
Q:TV tiger when the set-top box when tv / ay look for a look on the platform
Do not have to be so troublesome, such a phenomenon even encountered, is the basement of the air defense, similar to the landlord said the phenomenon can be taken as follows: . first with linen live wire and casing blank. . filled with asbestos cement and compaction, the surface concave sleeve 3-4 cm. . with plugging the king (5 yuan / bag) add water and mix well, smear the surface to smooth. . the work is completed, do not hurt the core and the practice proved no leakage within two years.

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