FN12-12 Indoor High-Voltage Load Switch Fuse Combination Device-manufacture,factory,supplier from China

(Total 24 Products for FN12-12 Indoor High-Voltage Load Switch Fuse Combination Device)
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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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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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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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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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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Fuse selection     The selection of the fuse should ensure that the distribution transformer internal or the high and low voltage outlet pipe can be quickly fused when there is a short circuit. In practice, the following principles are often used for selection; if the capacity of the distribution transformer is below 160KV, the fuse should be 2-2% of the rated current of the transformer.
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GN38-12KV series indoor disconnectors are designed and manufactured to meet the needs of compact and miniaturized development of fixed high-voltage cabinets and ring network cabinets. It has a three position structure, fully insulated bottom plate, and is equipped with coaxial locking and perfect mechanical interlocking mechanism, which is compact in shape.
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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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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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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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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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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 role of drop-out fuses10kV equipment can be installed on the high-voltage side of the transformer on the pole, where the transformer and capacitor are connected to the line. The drop-out fuse can effectively protect the circuit from overload and short-circuit. At the same time, it can also be installed at the end of a long line or on a branch line, which can provide extended protection for areas that cannot be protected by relays.
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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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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 SEB range of Adjustable Width Cable Drum Trailers are designed to cope with the ever increasing size of Cable Drums, High Voltage cables are being laid underground instead of over headlines.
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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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Conductive partThe fixed contact is composed of a copper plate bent into a right angle, and the perforated end of the fixed contact can be connected with the bus through a screw; The other end is short, and it contacts the moving blade (moving contact) when closing.Two copper plates form a contact strip, also known as a moving contact, which can rotate around the shaft for a certain angle. When closing, it holds the static contact. There is a clamping spring between the two copper plates to adjust the contact pressure between the dynamic and static contacts.
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It is mainly used to break and close the load current, overload current and short-circuit current of the power system. It is suitable for protection and control of substations, industrial and mining enterprises, and urban and rural distribution networks, especially for places with frequent operations and urban automatic distribution networks. This product is matched with the controller, which can meet the requirements of the distribution automation system, and can reliably and effectively complete the traditional recloser function.
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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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purposeHigh voltage disconnector is a kind of high-voltage equipment used to connect or isolate power supply under the condition of voltage and no load.□ Service conditions1. Altitude not exceeding 1000m2. Ambient air temperature: upper limit+40 ° C in general area, lower limit 30 ° C in general area3. The wind pressure shall not exceed 700Pa. (equivalent to wind 34m/s)4. The seismic intensity shall not exceed 8 degrees;5. No place with frequent violent movements;6.
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Drop type (drop type, detachable type) lightning arrester is a distribution type zinc oxide lightning arrester that is modified and skillfully installed on the drop type mechanism of the drop type fuse, so that the lightning arrester can be easily detected, repaired and replaced with the help of an insulating switch lever under the condition of continuous power supply, which not only ensures the smoothness of the line, but also greatly reduces the work intensity and time of power maintenance personnel, It is especially suitable for places that are not suitable for power failure, such as post a
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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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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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High-voltage circuit breaker (or high-voltage switch) it can not only cut or close the high-voltage circuit no-load current and load current, but also when the system fault occurs through the role of relay protection device, cut off the overload current and short-circuit current, it has a fairly complete arc extinguishing structure and sufficient current breaking capacity, can be divided into: oil circuit breaker (multi-oil circuit breaker, less oil circuit breaker), sulfur hexafluoride circuit breaker (SF6 circuit breaker), compressed air circuit breaker, vacuum circuit breaker, etc.To ensure
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 safetyrequirements can be provided.
Lightning arrester: an electrical apparatus used to protect electrical equipment from high transient overvoltages during lightning strikes and to limit the duration and often the amplitude of the renewal current.
Numerous of these manufacturing processes are based on laser technologies such as laser melting, sintering or build-up welding. Other processes, such as binder jetting, are completed by a sintering pass to fully cure the material. In order to localise and detail thermal conspicuities in these processes, InfraTec infrared cameras support the determination and subsequent adherence to thermal process parameters by in-line monitoring. Infrared cameras can be integrated directly into the process control system to enable a non-contact and non-invasive temperature measurement.
Numerous of these manufacturing procedures are based totally on laser technologies such as laser melting, sintering or build-up welding. Other processes, such as binder jetting, are finished by way of a sintering pass by to totally treatment the material. In order to localise and element thermal conspicuities in these processes, InfraTec infrared cameras assist the dedication and subsequent adherence to thermal procedure parameters by using in-line monitoring.
Severa of those manufacturing processes are based totally on laser technologies inclusive of laser melting, sintering or build-up welding. other approaches, which includes binder jetting, are completed by a sintering pass to fully treatment the material. so one can localise and element thermal conspicuities in these procedures, infratec infrared cameras guide the willpower and next adherence to thermal technique parameters by means of in-line monitoring. infrared cameras may be included directly into the procedure manage gadget to enable a non-touch and non-invasive temperature size.
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Complex digital assemblies combine a multitude of one-of-a-kind components in a very small area. miniaturisation, no remember the tendency to minimize power dissipation, will increase the wants for thermal management, blunders-loose operation and compliance with gadget parameters in manufacturing. infrared thermography is used for the environment friendly recording of temperature distribution and time sequences.
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Severa of these manufacturing methods are based totally absolutely on laser applied sciences inclusive of laser melting, sintering or build-up welding. different approaches, which consists of binder jetting, are achieved by way of a sintering bypass to totally cure the material.