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Cable non-insulated flexible, non-insulated for overhead lines, winding with enamel insulation, power for electrical installations, power for general use, thermoelectrode.

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Cable for non-stationary laying

(ПГРО, КОГ 1, КГЭ-ХЛ, КГН, Cable КГ-ХЛ) The flexible power cable for non-stationary laying is a group that includes structures with multiwire copper wires and has rubber insulation. The main purpose is power supply of mobile consumers or for non-stationary installation. Cables of this type are able to withstand very harsh conditions of use, therefore, it is possible to use in open space, in areas of high humidity, and in case of any likely mechanical damage. In addition, the use of a rubber shell provides protection against chemical influences. This allows you to connect equipment of various purposes to the power grid (portable lamps, electric heaters, boilers, household and industrial electric tools.) Even low temperatures do not change the high flexibility and elasticity of cables, therefore, it is possible to use at any temperatures. The power cable is flexible for non-stationary laying. copper (tinned copper) wires, isolated between themselves. The outer shell can be rubber, PVC, polyethylene, etc. Additional protection can be provided by various screens, which stop pickups, armored covers (galvanized tape, steel braid), PVC protective compounds or polyethylene. Cables of this group (KG, KG-HL, KGN) in connection of mobile units to power grids are used. Scope Cables of KG, KG-HL brands are designed to connect mobile mechanisms to electric networks at a nominal alternating voltage of 660 V and frequencies up to 400 Hz or a constant voltage of 1000 V, with bends with a radius of at least 8 cable diameters at an acceptable heating temperature for conductive wires up to 75 WITH. Cables of the KGN brand are intended for connection of mobile mechanisms to electric networks for a nominal alternating voltage of 660 V and frequencies up to 400 Hz or a constant voltage of 1000 V, with bends with a radius of at least 8 cable diameters, with the possibility of contact with disinfectant and aggressive substances used in rural areas. , as well as lubricating oils, at a permissible heating temperature of conductive wires to 75 ° C. The letter “n” is added to the mark of cables with a zero conductor, cables with two and three main conductors and one or two auxiliary conductors (without grounding conductors and zero) are added with the letter “c”.

Aviation cables and wires

(БПВЛ, БПВЛЭ, ПТЛ, БИФ) Cables and wires for aviation equipment are used in critical emblies and are distinguished by the lowest weight that their design allows, do not support and do not spread burning, are not a favorable environment for the formation pathogenic microflora. They are mainly used for connections between electronic equipment installed on board, as well as for inter-unit installation, suitable for laying in places of possible exposure to scattered moisture particles (including salt fog, dew, condensate, frost), are not susceptible to the effects of oils. The cable is designed for rated voltage up to 1000V (at variable frequency up to 10 kHz) depending on the modification. The main separation by purpose: PTL - wires for the organization of on-board electrical networks of aviation equipment, designed for voltage up to 600V (frequencies up to 6 Hz). The PTL wire is used to organize electrical networks of aircraft that can withstand multiple shock loads (with linear acceleration up to 150m / s * 2). PTL wires are able to withstand an impact duration of 1 to 3 ms, vibration loads in the range of 5-2000 Hz (with acceleration up to 20 m / s * 2), which allows them to be installed for the installation of distant lines. Resistance to abrasion, acoustic loads, oil and gasoline for 6 hours without deformation, the ability to maintain working quality under reduced pressure in the range of 6.7-102 Pa argues for the wide distribution of PTL cable in the aviation industry. for installation with fixing power grids that need high performance and wire protection. The service life of the wire is 15 years. It is possible to use the following modifications in aviation equipment: BPVLE (wire with 2-3 copper conductors in a screen of tinned copper wires), BPVLE-O (with the “O” index), BPVL-O (1 copper conductor), tropical design — BPVL -T.PIF wire - wire for on-board installation with fixation. Depending on the modification, a wire in the t * C-60 / + 200 * C range of cables and onboard wires can withstand the operating voltage up to 250 V AC and 350 V DC under the condition of an impact of atmospheric pressure not exceeding 0.67 kPa or the operating alternating current with voltage 600 V, constant - 750 V (frequency 600 Hz) when exposed to atmospheric pressure up to 60 kPa. BIF wire is not very susceptible to abrasion, linear and shock loads, capable of withstanding up to 10,000 double needle s (with a clamping force of 5.9 N). The wire insulation withstands pressure from 49 N with R rounding of the pressure device 0.6 mm. The service life of the cable depends on the operating conditions, an average of 15 years (35,000 hours). BEAT - wire in polyimide-fluoroplastic insulation (grade PMF) with a conductor of silver-plated copper wire; BIFE - modification of BIF with a protective screen with a conductor of silver-plated alloy wires (BrHTsKR), the veins of BrHTSrK able to withstand the load on the gap in 1.8 times more than the conductors of copper wires with silver plated. BIFEZ - is identical to BIFE with an additional protective coating, BIF-N - cables and wires for aviation equipment with an internal conductor of nickel-plated copper wire in polyimide fluoroplastic insulation. BIFE-N - the same shielded wire with a braiding density of at least 80%. BIFEZ-N is a shielded on-board wire (BIF) with an additional protective coating from the winding with the film PFM. The mining industry due to the increased danger of the production process requires to connect moving mechanisms, combines and mobile machines of current conductors with increased reliability and protection that mine cables can provide connections of mobile machines and mechanisms essentially differs in a structure.

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