HJDW6 outdoor low-voltage knife switch is a single-phase AC 50HZ low-voltage switchgear, which is used in the power system with rated voltage of 0.5KV to connect or isolate the power supply when there is voltage and no load. The knife switch is operated with insulated hook bar The knife switch is a single-phase structure, and each phase is composed of a word mounting plate, a pillar insulator, a knife switch, a contact, etc. The upper end of the knife switch is provided with a fixed pull ring for opening and closing the insulating hook bar□ Operating environmenta.
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GW9-10 outdoor high-voltage disconnector is a single-phase AC 50HZ high-voltage switchgear, which is used in the power system with the rated voltage of 10KV to connect or disconnect the power supply with voltage and without load.The disconnector is operated with insulating rod.□ Operating environmenta. Altitude not exceeding 1000mb. Ambient air temperature: upper limit+40 ° C, lower limit - 30 ° C in general areas, and - 40 ° C in alpine areasc. Wind pressure shall not exceed 700Pa (equivalent to wind speed of 34m/s)D. Seismic intensity shall not exceed 8 degreesE.
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The JN2-40.5 indoor high-voltage grounding switch is an indoor high-voltage electrical appliance designed in accordance with the relevant grounding switches in GB1985-89 AC High Voltage Disconnectors and Grounding Switches, which is equivalent to IEC129-84 Disconnectors and Grounding Switches and IEC694-84 Common Terms for High Voltage Switchgear and Control Equipment.JN2-40.5 grounding switch is applicable to 35KV and below three-phase AC 50HZ power system, and has voltage monitoring device.
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GW4 type outdoor high-voltage disconnector is used for three-phase AC 50Hz outdoor high-voltage electrical equipment, which is used for opening and closing of lines under the condition of voltage and no load, and for electrical isolation of electrical equipment such as overhauled high-voltage buses and circuit breakers from live high-voltage lines. It can also be used for opening and closing small capacitive or inductive currents. When the knife switch is in the normal opening position, an insulation distance meeting the safety requirements can be provided.
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Low-voltage cable lines are widely used in low-voltage power distribution systems because of their reliable operation, lack of poles, lack of ground occupation, lack of unsightliness, and less influence from the outside world.ApplicationFixed indoor, outdoor and underground installations.StandardsHD 603-5D SI, IEC 60502-1,IEC 60332-1 Cat. B.
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1. After opening, establish a reliable insulation gap to separate the equipment or lines to be repaired from the power supply with an obvious disconnection point to ensure the safety of maintenance personnel and equipment [2].2. Change the circuit according to the operation needs.3. It can be used to open and close the small current in the line, such as the charging current of bushing, bus, connector and short cable, the capacitive current of switch voltage equalizing capacitor, the circulating current during double bus switching and the excitation current of voltage transformer.4.
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The general low light level gun sight is a sight with high definition, good combination of gun and mirror, strong adaptability, reliability and durability, stable performance, good man-machine efficiency and low cost. It is suitable for short-range accurate shooting at night and can solve the rapid aiming and accurate shooting at 25-100 meters at night. The fixture can be quickly changed to adapt to various gun types.
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(H) GW4 type outdoor high-voltage disconnector is used for three-phase AC 50Hz outdoor high-voltage electrical equipment, which is used for opening and closing of lines under the condition of voltage and no load, and for electrical isolation of electrical equipment such as overhauled high-voltage buses and circuit breakers from live high-voltage lines. It can also be used for opening and closing small capacitive or inductive currents. When the knife switch is in the normal opening position, an insulation distance meeting the safety requirements can be provided.
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The low light level sight integrates the functions of observing and aiming, measuring the target distance and setting the weapon firing angle. It has the characteristics of small volume, light weight, high aiming accuracy, good reliability and convenient carrying. It can be used not only as a night sight, but also as an observation command mirror for night observation. It is mainly used for observation and monitoring by personnel of border armed police, public security and other units, and it is a precision optical instrument product for assisting gun aiming and shooting at night.
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GN30-12 rotary indoor high-voltage disconnector is a new type of rotary contact disconnector. Its main structure is to fix two groups of insulators and contacts on the upper and lower planes of the three-phase common chassis, and to achieve switch on by rotating the contact.The GN30-12D switch is an additional form with grounding knife on the basis of the GN30-12 switch, which can meet the needs of different power systems. This product is compact in design, small in point space, strong in insulation capacity, and easy to install and adjust.
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Product OverviewGW1-12G (D) series outdoor high-voltage disconnectors are unipolar high-voltage switchgear. They are used to open and close the circuit when there is voltage or no load in the outdoor 12KV line network. The switches with grounding knives are equipped with CS mouth type manual mechanisms to prevent the misoperation of live grounding wires and grounding wires, "closing", etc.
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Type a double tube binocular low light level observation mirror has the characteristics of clear imaging, good concealment, light structure and low power consumption. The product is suitable for driving aircraft for takeoff, landing, low altitude and ultra-low altitude missions at night or in low illumination environment; It can also be used for vehicle driving, patrol, medical rescue, observation, monitoring and reading.
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JN22-40.5/31.5 indoor high-voltage grounding switch (hereinafter referred to as grounding switch) is an advanced product with high technical parameters and performance developed by Xi'an High Voltage Apparatus Research Institute. Through comprehensive assessment, its performance conforms to the provisions of GB1985-89 AC High Voltage Disconnectors and Earthing Switches. It is applicable to the 40.5kV AC 50Hz power system.
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(H) GW5 type outdoor high-voltage disconnector is used for three-phase AC 50Hz outdoor high-voltage electrical equipment, which is used for opening and closing of lines under the condition of voltage and no load, and for electrical isolation of electrical equipment such as overhauled high-voltage buses and circuit breakers from live high-voltage lines. It can also be used for opening and closing small capacitive or inductive currents. When the knife switch is in the normal opening position, an insulation distance meeting the safety requirements can be provided.
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(H) GW13 type neutral point disconnector is used for three-phase AC 50Hz outdoor high-voltage electrical equipment, which is used for opening and closing the neutral point connection of transformer without load. When the knife switch is in the normal opening position, an insulation distance meeting the safety requirements can be provided.□ Structure1. Single pole V-shaped double post rotary structure, with small floor area, mainly consists of base, post insulator, conductive circuit, operating mechanism, etc.2.
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The performance of JN15-12 household air high-voltage grounding switch meets the requirements of GB1985-89 AC High Voltage Disconnectors and Grounding Switches and IEC129, and is applicable to 12kV and below AC 50Hz power systems. It can be used together with various types of high-voltage switch cabinets as grounding protection.Advanced design and reliable technical performance; Simple structure, convenient installation and debugging; Have the ability of quick opening and closing.□ Operating environment1. The altitude shall not exceed 1000m;2.
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FN12-12 and FN12-12R combined apparatus are three-phase high-voltage switchgear with a rated voltage of 12KV and a rated frequency of 50Hz. They are used for breaking and closing load current, closed-loop current, no-load transformer and cable charging current, closing short circuit current, and load switches equipped with grounding switches.
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X4 UAV miniaturized thermal imager is a small thermal imager specially designed for UAV. It has the characteristics of light weight, small volume, low power consumption, strong environmental adaptability and simple operation. The lens of the product is designed by optical passive heat difference elimination technology. It works in an ultra wide temperature range of - 40 ℃ ~ 55 ℃ without focusing, and can adapt to different areas and indoor and outdoor environments.
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The direct coupled low light level enhanced digital camera (idc1616) adopts the advanced image tube direct coupling technology to integrate the digital camera and image intensifier, forming a new generation of low illumination digital night vision equipment with compact structure, high sensitivity and clear imaging.
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High performance multi-functional low light level night vision instrument is an optical and electronic instrument which can observe the external scenery with the help of weak natural light (such as moonlight, starlight or atmospheric glow) when there is no lighting at night. It is a passive night vision instrument with good concealment.
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FGW9-12 high-voltage load disconnector is a high-performance disconnector developed by our company by absorbing foreign advanced technology. It has the advantages of reliable contact, large current carrying capacity, and certain arc protection capability. It is used in the power system with the rated voltage of 10kV to connect and isolate the power supply when there is voltage.
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Type B double tube binocular low light level observation mirror can assist pilots to directly observe the environment and search targets in the night, complete night takeoff and landing, formation flight, visual recognition of landmark landform, heaven and earth line, aerial reconnaissance and recognition, search and recognition of ground targets at low altitude, and cooperate with forward-looking infrared to search.
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ZFN21-12D/630-20, ZFN21-12DR/T125-31.5 high-voltage vacuum load switch and combination apparatus are used in three-phase AC 10KV, 50Hz power distribution system. It has the advantages of compact structure, small volume, light weight, long service life, strong making and breaking capacity, safety and reliability, etc.
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1. The altitude shall not exceed 1000m.2. The ambient temperature shall not be higher than+40 ℃ and not lower than - 10 ℃.3. The daily average relative humidity is not more than 95%, and the monthly average is not more than 90%.4. The seismic intensity shall not exceed 8 degrees.5. The installation site shall be free of gas, steam, chemical precipitation, smoke, dust, dirt and explosive corrosive substances that seriously affect the insulation and conductivity of the grounding switch.6.
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