CE certified low-temperature instrument cable

CE certified low-temperature instrument cableScope of Application

Instrument control cable is a PVC insulated and PVC sheathed control cable suitable for use in industrial and mining enterprises, energy and transportation departments, and for controlling and protecting circuits with AC rated voltage below 450/750 volts.

Performance Characteristics

1. DC resistance: 20 ℃, 0.4mm copper wire, less than or equal to 148 Ω/km, 0.5mm copper wire, less than or equal to 95 Ω/km.

2. Insulation electrical strength: no breakdown between conductors at 1kV for 1 minute, and no breakdown between conductors and shields at 3kV for 1 minute

3. Insulation resistance: Each core wire is grounded with the remaining cores, and the control cable is greater than 10000M Ω· km, while the HYAT cable is greater than 3000M Ω· km.

4. Working capacitance: average value 52 ± 2nF/km

5. Remote Crosstalk Defense: At 150kHz, it refers to the average power of a certain combination being greater than 69dB/km.

Applicable environment:-60 ℃~+45 ℃ (-20 ℃ to+120 ℃ optional)

Product Certification

Implement standards IEC60227, EN50575, EN13501/6, and GB/T 9330-2008. Flame retardant cables should also comply with the technical requirements of IEC337-8 standard.

Customs code 854421100

Performance difference

Control cables have the characteristics of moisture resistance, corrosion resistance, and damage prevention, and can be laid in tunnels or cable trenches. Power cables are used in the backbone of the power system to transmit and distribute high-power electrical energy. Control cables directly transmit electrical energy from the distribution points of the power system to the power connection lines of various electrical equipment and appliances. The rated voltage of power cables is generally 0.6/1kV and above, while control cables are mainly 450/750V. When producing power cables and control cables of the same specifications, the insulation and sheath thickness of power cables is thicker than that of control cables.

（1） Control cables belong to electrical equipment cables, and power cables are two of the five major categories of cables.

（2） The standard for control cables is 9330, and the standard for power cables is GB12706.

（3） The color of the insulation core of control cables is generally black with white lettering, and low-voltage power cables are generally color coded.

（4） The cross-sectional area of control cables generally does not exceed 10 square meters, while power cables are mainly used for transmitting electricity and are generally large in cross-section.

Due to the reasons mentioned above, the specifications of power cables can generally be larger, up to 500 square meters (the range that conventional manufacturers can produce), and there are relatively few manufacturers that can produce even larger cross-sections. On the other hand, the cross-section of control cables is generally smaller, with a maximum of no more than 10 square meters.

material

The core of the control cable is copper core, with a nominal cross-sectional area of 2.5mm2 or less, and 2 to 61 cores; 4～6mm2, 2-14 cores; 10mm2, 2-10 cores. The working temperature of the control cable is divided into two levels: rubber insulation at 65 ° C and polyvinyl chloride insulation at 70 ° C and 105 ° C. The control cables used in computer systems are generally insulated with polyvinyl chloride, polyethylene, cross-linked polyethylene, and fluoroplastic. Instrument cables used in low-temperature environments in the Far East region such as Russia require special low-temperature resistant materials to be made.

CE certified low-temperature instrument cableTechnical Specifications

Rated voltage: U0/U is 450/750V.

The long-term working temperature of the conductor core is 70 ℃ and 95 ℃, and the cable laying temperature is generally not lower than 0 ℃.

The recommended allowable bending radius for cables is as follows:

Unarmored cables should not be less than 6 times the outer diameter of the cable;

Armored or copper tape shielded cables should not be less than 12 times the outer diameter of the cable;

Shielded flexible cable, not less than 6 times the outer diameter of the cable.

Control cables generally refer to equipment instrument power supply/signal control

Representative models: KVV/KYJV/and other instrument cables, etc

Model Product Name Main Scope of Application

High temperature resistant control cable (KFF cable) is suitable for signal detection in high temperature environments with AC rated voltage of 300/500 and below. Especially suitable for the control of fire and security system protection circuits and power transmission lines.

Precautions

Precautions for installation and wiring of control cables:

1. Under the eaves. Standard LAN cables can only be used when not directly exposed to sunlight or ultra-high temperatures, and it is recommended to use pipelines. Ultraviolet (UV) - Do not use cables without UV protection in direct sunlight environments.

On the exterior wall. Avoid direct sunlight on the wall and human damage. Heat - The temperature of cables in metal pipes or cable trays is very high, and many polymer materials will reduce their service life at this temperature.

3. Inside the pipeline (made of plastic or metal). If in a pipeline, pay attention to the damage of plastic pipes and the thermal conductivity of metal pipes. Mechanical damage (repair cost) - Fiber optic cable repair is very expensive, requiring at least two terminations at each breakpoint.

4. Suspended applications/overhead cables. Consider cable sag and pressure. Is the cable directly exposed to sunlight.

5. Directly laying in underground cable trenches is the environment with the smallest control range. The installation of cable trenches should be checked regularly for dryness or moisture levels. Grounding - If the shielding layer of the control cable needs to be grounded, the corresponding standards must be followed.

6. Underground pipelines. For future upgrades, cable replacement, and isolation from surface pressure and surrounding environment, installing auxiliary pipelines for isolation is a better method. But don't expect the pipeline to remain dry forever, as this will affect the choice of cable type. Water - Moisture in twisted pair cables in a local area network can increase the cable's capacitance, thereby reducing impedance and causing near end crosstalk issues.

Model Product Name Main Scope of Application

High temperature resistant control cable (KFF cable) is suitable for signal detection in high temperature environments with AC rated voltage of 300/500 and below. Especially suitable for the control of fire and security system protection circuits and power transmission lines.

If you have any other questions, you can consult our company's technical service center, and our company will cooperate with your technical support work!