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BV copper core PVC insulated fire-resistant wire

BV is a single-core copper wire, which is harder and inconvenient for construction, but has high strength; BVR is a multi-core copper wire, which is softer and convenient for construction, but has low strength. BV single-core copper wire is generally a fixed place; BVR wire is a copper-core PVC insulated flexible wire, which is generally used for occasions with slight movement when it is applied to fixed wiring.

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Classification:

Wire and flexible wire

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  • Product Description

  • 1. wire selection

    1, the fire line is generally used●Red (alternative●Yellow), the zero line is generally used●Blue,●Green, the ground wire is yellow and green;

    2. Lighting generally uses 1.5 square single-core wires, which are divided into 2 groups according to different colors (live wire and zero wire);

    3.2.5 square single-core wires are generally used for sockets, and 4 square or more single-core wires are generally used for air conditioners with more than 3 horses;

    4. The incoming bus generally uses 6 square or more single-core wires.

    2. product characteristics

    Fire resistance refers to the operation that can be maintained for a certain period of time under the condition of flame combustion, that is, to maintain the integrity of the circuit. This type of wire has the power supply capacity for a certain period of time in the flame.

    Fire-resistant wires can continue to work (transmit current and signals) in the event of a fire, and whether they are delayed or not is not included in the assessment. Flame retardant wire in the event of a fire soon to stop work, its function is not flammable and not spread can be self-extinguishing. Fire-resistant wire 750~800 ℃ flame combustion to maintain 180 minutes of normal operation.

    NH-BV fire-resistant wires are suitable for fire-resistant occasions where the rated voltage is 450/750V and below, and the wires are required to continue to operate for a certain period of time in case of fire.

    The NH-BV is to add a layer of refractory mica tape outside the BV line core, which is used for the development of industrial systems and the key factory buildings with concentrated urban functions and the lines in the important buildings integrating storage, office and residence.

    Main purpose of 3.

    Ordinary insulated wire, household wire, is the most commonly used wire type. Take a new house of 100 square meters as an example, 4 square meters of copper-core BV wires are 200 meters, 2.5 400 meters, 1.5 300 meters and 1.5 square meters of copper-core BV bi-color wires are 100 meters. What I said above is that there is no ceiling decoration. If there is a ceiling, the 1.5 line is a little more.

    4. wire advantages

    ● Search and implement according to national standards GB/T5023-2008, B/T8734-2016 and compulsory certification (CCC) for electrical and electronic products.

    ● Conductor with high quality oxygen-free copper, good conductivity, small heat, to meet the long time load use.

    ● insulation made of high quality plastic, insulation performance of forced wear-resisting, not burning, long service life.

    BV is a single-core copper wire, which is harder and inconvenient for construction, but has high strength; BVR is a multi-core copper wire, which is softer and convenient for construction, but has low strength. BV single-core copper wire is generally a fixed place; BVR wire is a copper-core PVC insulated flexible wire, which is generally used for occasions with slight movement when it is applied to fixed wiring. In addition, the carrying capacity of BVR multi-strand line is larger than that of single-strand line, and the price is also higher. Usually BVR can be used inside the cabinet. Without such a large strength, convenient wiring.

    5. collocation suggestions

    sectional area
    (Mm²)
    		 Model 220V limit power
    (W)
    		 380V limit power
    (W)
    		 Use
    1.5 square (19A) BV/BVR 4200 9500 Line for lighting
    2.5 square (26A) BV/BVR 5800 13000 Socket, wall-mounted air conditioner
    4 square (34A) BV/BVR 7600 17000 Vertical air conditioning, water heater central
    6 square (44A) BV/BVR 10000 22000 Air conditioning, central of the entrance line
    10 square (62A) BV/BVR 13800 31000 Air conditioning, incoming line
    16 square (85A) BV/BVR 18900 42000 Entry line

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