Control cable ZR-KVVRP

NegotiableUpdate on 03/22

Model

Nature of the Manufacturer: Producers

Product Category

Place of Origin

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Overview

Control cable ZR-KVVRP has a rated voltage of 750V and below, and is required to be low smoke, halogen-free, non-toxic, non corrosive (pollution-free cable) and flame retardant for use in control monitoring circuits and other occasions

Product Details

Control cable ZR-KVVRP

product standardNH-KVVRP Cable Price | Quotation

Enterprise standard, this standard is equivalent to GB12666.6B-90

2、 Purpose:NH-KVVRP Cable Price | Quotation

This product is suitable for any location where AC rated voltage 1-10KV plastic insulated power cables, 450/750V plastic insulated control cables, and 450/750V and below electrical equipment wires and cables are used, especially for various transmission and distribution, control, alarm, and fire prevention systems that require high temperature, flammability, and fire resistance.

3、 Usage characteristics

Fire resistant cable refers to a cable that can maintain safe operation for a certain period of time under the condition of flame combustion. The national standard GB12666.6 (equivalent to IEC331) in China divides the fire resistance test into two levels: A and B. The flame temperature is 950~1000 ℃, and the continuous fire supply time is 90 minutes. The B-class flame temperature is 750~800 ℃, and the continuous fire supply time is 90 minutes. During the entire test period, the sample should withstand the rated voltage value specified by the product. Fire resistant cables are widely used in high-rise buildings, underground railways, underground streets, large power stations, and important industrial and mining enterprises related to fire safety and firefighting, such as power supply lines and control lines for emergency facilities such as fire equipment and emergency guide lights.

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

2. Cable maximum working temperature

(1) Polyfluoroethylene insulation and sheath: available at 70 ℃ and 105 ℃; Cross linked polyethylene insulation: 90 ℃;

(2) Fluoroplastic insulation and sheath: two types at 220 ℃ and 260 ℃; Fluoroplastic insulation and 105 ℃ flame-retardant polyvinyl fluoride sheath: available at 90 ℃ and 125 ℃.

(3) Low halogen, low smoke, flame-retardant PVC insulation and sheath: 70 ℃; Halogen free low smoke flame-retardant polyolefin insulation and sheath: available at 90 ℃ and 125 ℃.

3. Zui low ambient temperature:

(1) Flame retardant polyvinyl chloride insulation and sheath: fixed installation at -40 ℃; Non fixed installation -15 ℃;

(2) Fluoroplastic insulation and sheath: fixed installation -60 ℃; Non fixed installation -20 ℃;

4. The safe laying temperature of cables should not be lower than 0 ℃.

5. Fire resistance characteristics:Fire resistant control cable NH-KVV22-2 * 4mm2

Compliant with IEC331 and GB12666.6 regulations

Flame temperature 750 ℃ Flame temperature 950 ℃ -1000 ℃ Flame temperature 750 ℃ -800 ℃

Burning time 3h, burning time 90min, burning time 90min

Cooling time 21 hours, additional voltage, rated voltage, additional voltage, rated voltage

Additional voltage, rated voltage, additional current 3A, additional current 3A

Additional current 3A Class A Class B

6The allowable bending radius for laying: Non armored and braided shielded cables should not be less than 6 times the outer diameter of the cable;

Steel tape armored cables should not be less than 12 times the outer diameter of the cable;

Fluoroplastic insulated and sheathed cables should not be less than 8 times the outer diameter of the cable.

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