Product OverviewThe national standard for box type substations is defined as "high-voltage/low-voltage prefabricated substations", commonly referred to as "box type substations".A box type substation is a distribution device composed of three parts: hi-voltage switchgear, power transformer, and low-voltage switchgear. Due to its advantages such as flexibility, convenience, small size, small footprint, low cost, fast construction, high reliability, and aesthetics compared to civil engineering substations, it is widely used in urban network renovation, as well as in high-rise buildings, residential industrial parks, commercial centers, airports, station docks, schools, factories and mining enterprises.Model and meaning　　Functions and FeaturesThe high-voltage chamber has a compact and reasonable structure, and has anti misoperation interlocking function. Each room is equipped with automatic and lighting devices. In addition, all components selected for the high and low voltage rooms have reliable performance, easy operation, and ensure safe and reliable product operation, as well as convenient operation and maintenance.Adopting both natural ventilation and ventilation methods to ensure good ventilation and cooling. The transformer room and low-voltage room are equipped with ventilation ducts, and the exhaust fan is equipped with a temperature detection device, which can automatically start and close according to the setting, ensuring that the transformer meets the load operation.The box structure can prevent rainwater and dirt from entering, and is made of colored steel plates, cold steel plates, non-metallic, stainless steel plates, rustproof aluminum alloys, etc. After anti-corrosion treatment, it has the conditions for long-term outdoor use, ensuring anti-corrosion, waterproof, dustproof performance, long service life, and beautiful appearance.

Product OverviewOur company's independently developed AMHWX-12 outdoor high-voltage ring network box (open lock) has passed the type test of the National Electrical Product Quality Supervision and Inspection Center. The product is widely used in 10kV/6kV distribution systems and is a switch product for various urban and rural user distribution systems.The switchgear adopts a modular unit mode, which can be combined according to different purposes. It is divided into two categories: fixed unit combination and expandable unit combination, meeting the flexible use needs of various substations for compact switchgear.The AMHWX-12 outdoor high-voltage ring network box (open lock) is a fully sealed system, with its charged components and switches enclosed in a stainless steel body. The entire switching device is not affected by external environmental conditions, thus ensuring operational reliability and personal safety. And maintenance free has been achieved. By selecting expandable busbars, any combination can be achieved, achieving full modularity. The expansion of busbar safety insulation and shielding ensures reliability and safety. The AMHWX-12 outdoor high-voltage ring network box (open and close) can also provide TV-based automation solutions, forming the concept of intelligent switches and reducing on-site installation and debugging workload.The AMHWX-12 outdoor high-voltage ring network box (open lock) is divided into non expandable standard configuration and expandable standard configuration. Due to the combination of full module and half module, as well as self scalability, it has extremely special flexibility.AMHWX-12 outdoor high-voltage ring network box (opening and locking) shall comply with GB standards. The design life for operation under indoor conditions (20 ℃) exceeds 30 years.Model and meaning 　　Functions and FeaturesThe AMHWX-12 outdoor high-voltage ring network box (open and close) uses SF6 gas as the arc extinguishing and insulation medium.The switchgear is a fully sealed and insulated structure; the busbar, switch, and live parts are completely enclosed in a stainless steel shell. The chamber is filled with 1.4bar SF6 gas, with a protection level of IP67: the entire switching device is completely unaffected by external environmental conditions, and can ensure normal operation of the switch even in extreme situations such as short-term water immersion. The product is maintenance free for life.The switchgear has a complete "five prevention" interlocking device, completely eliminating the possibility of personnel and equipment operation failures caused by human error.All switchgear cabinets have reliable safety pressure relief channels, which can ensure the personal safety of operators even in extreme situations.The switchgear is divided into two types: fixed unit combination and expandable unit combination.The switchgear usually has front inlet and outlet lines, and can also be installed in different positions to achieve side outlet or side expansion.The cabinet size is easy to install and can be suitable for places with limited space and poor environmental conditions. The switchgear can be equipped with electric, remote control, and monitoring devices according to different user needs.

Product OverviewKYN28-12 indoor AC metal armored movable switchgear is a complete set of distribution equipment for 3-12kV three-phase AC 5OHz single busbar and single busbar segmented system. Mainly used for power plants, small and medium-sized generators for power transmission, industrial and mining enterprises for power distribution, as well as for receiving and transmitting electricity in secondary substations of electrical systems, as well as starting large high-voltage motors. For control, protection, and monitoring purposes, this switchgear meets the requirements of DL/T404-91, IEC298, GB3906, and other standards. It has interlocking functions to prevent loaded push-pull circuit breaker handcart, prevent accidental opening and closing of circuit breakers, prevent closing of circuit breakers when the grounding switch is in the closed position, prevent accidental entry into live compartments, and prevent accidental closing of grounding switches when live. Multiple main switch configuration options are available: VS1; zN21 ; VB5( VB5P ) ; vVD4 ; VEP ; ' S1 ; 3AH; EV12 ; VPR vacuum circuit breaker. It is actually a high-performance power distribution device.Model and meaning　　Functions and FeaturesAll metal modular assembly structure, the cabinet body is made of imported aluminum zinc coated plate with strong corrosion resistance, without surface treatment. It is processed by CNC high-precision equipment and adopts advanced multiple folding technology. The connection is connected with rivet nuts and high-strength bolts, with high accuracy, light weight, and good strength.The switchgear can be equipped with vacuum circuit breakers produced by our company, with wide adaptability and strong interchangeability. The working position and testing position of the handcart roommate are equipped with positioning and display devices, ensuring safety and reliability.

Product OverviewThe GGD type AC low-voltage distribution cabinet is suitable for power plants, substations, mining enterprises and other power users in the AC 5OHz distribution system, with a rated working voltage of 380V and a rated working current of 3150A. It is used for power conversion, distribution, and control of power, lighting, and distribution equipment.GGD type AC low-voltage distribution cabinet is a new type of low-voltage distribution cabinet designed based on the principles of safety, economy, rationality, and reliability, in accordance with the requirements of the superior authorities of the Ministry of Energy and the majority of power users and design departments. The product has the characteristics of high segmented force, good dynamic and thermal stability, flexible electrical solutions, convenient combination, serializability, strong practicality, novel structure, and high protection level. It can be used as a replacement product for low-voltage switchgear.Model and meaning　Functions and FeaturesIt has changed the operating mode of the mechanism and retained the advantages of the old product, making it a practical electrical component; The busbar clamp is made of high-strength and flame-retardant PPO alloy material thermoplastic forming, with high insulation strength and good self-extinguishing performance. The structure is locally welded and assembled with 8MF cold-formed steel; The cabinet surface paint is sprayed with electrostatic epoxy powder, with strong adhesion and good texture, with an international gray orange pattern; The protection level of the cabinet is IP30, and users can also choose between IP30 and IP40 according to the requirements of the usage environment.

Product OverviewCGS type low-voltage withdrawable complete switchgear is suitable for distribution systems in industries such as power plants, petroleum, chemical, metallurgy, textiles, high-rise buildings, and other industries. In large power plants, petrochemical systems, and other places with high automation levels, requirements and calculations, as well as machine core interfaces, it is used for distribution in power generationand supply systems with a three-phase AC rate of 50 (60) Hz, a rated working voltage of 380V (400V), (660V), and a rated power output of 4000A and below. The motor is centrally controlled, Reactive power compensation enables the low-voltage complete distribution device of Yang.Model and meaning　　Functions and FeaturesIncrease the thermal capacity of the adapter and significantly reduce the additional temperature rise caused by the temperature rise of the adapter to the connector, cable head, and partition board;The separation between functional units and compartments is clear and reliable, and the failure of one unit does not affect the operation of other units, limiting the fault to a small range;The horizontal arrangement of the busbar ensures good dynamic and thermal stability of the device, and can withstand the impact of 80/176kA short-circuit current;The number of circuits in a single GCS cabinet can reach up to 22, fully considering the needs of automation electric door (machine) groups in industries such as large single unit capacity power generation and petrochemical systemsThe connection between the device and external cables is completed in the cable compartment, and the cables can enter and exit up and down. The current transformer is installed in the cable compartment, making installation and maintenance convenient;In the same power distribution system, the short-circuit current can be matched with a current limiting reactor to stabilize the bus voltage at a certain value, and it can also partially reduce the requirements for the short-circuit strength of components;The drawer unit has a sufficient number of secondary plugins (32 pairs for 1 unit and above, and 20 pairs for 1/2 unit), which can meet the requirements for the number of contacts in computer interfaces and automatic control circuits.

High voltage multifunctional metering cabinetDGJK-10