Devices used in power plants, transformer substation, petrochemical sector, factory and mining enterprises, high-rise buildings, such as low-voltage power distribution systems, power distribution and motor control centers, control centers and electrical capacitance, capacitance compensation of the power conversion, distribution and control used.
Stand-alone capacity in power plants, petrochemical industries such as large-scale low-voltage power control center and motor control centers and other occasions when the use of electric power and computer interface to meet specific needs.
Device is based on the Ministry of Electric Power in charge of the higher level, the majority of electricity customers and design requirements, in order to meet the continuous development of the capacity of the electricity market, the computer interface, power centralized control, easy installation and maintenance, to shorten the time needed to deal with the accident, the spirit of safety, economic, rational and reliable design of the principle of taking a new type of low-voltage switch cabinet. Breaking products, the ability to connect high dynamic thermal stability, electric program flexible combination of convenience, the series of practical, novel structure, high level of protection. Can be extracted as a low-voltage switch
Counter the new generation products. Compliance with the IEC439-1 "Low-voltage switchgear and control equipment", GB7251.1-1997 "Low-voltage switchgear and control equipment" and other standards.

■ structural characteristics
□ device's main use of steel framework, the framework of the use of welding and some assembly of two structural forms. Are installed on the main framework pore modulus E = 20mm.
□ device strictly separated from the function room, the main compartment is divided into functional units rooms, bus room, cable rooms, each unit is relatively independent of the function.
□ devices did not use the main bus will be at the level of柜顶the traditional design, so that both upper and lower chamber round cable channels, products can not be solved the old problem of the round.
□ Functional Unit
⑴ a drawer as an independent functional unit.
⑵ drawer is divided into one-half unit, one unit, two unit, three-unit series of four dimensions. Circuit rated current 400A and below in. The size of a drawer unit as follows: 160 (H) × 560 (width) × 410 (D), one-half the width of the drawer unit 280, the second unit and third unit only twice so high, three times the change, and the rest are the same unit size.
⑶ functional drawer unit can easily achieve the swap.
⑷ each device can be configured inside a unit of 11 or 22 one-half of the drawer the drawer unit.
⑸ drawer into the loop current round based on the size of the number of different chip-chip-type connector the same specifications, the general connector 1 ≤ 200A.
⑹ room one half of the drawer with the adapter cable using the adapter back pieces of architecture. Drawer unit with adapter cable room structure using the adapter rod pieces.
⑺ drawer panels are combined, cut, test, out of the obvious signs, such as the location. Drawer with mechanical interlocking device.
□ feed motor control cabinets and counters with a dedicated cable compartment, the functional units every indoor room with cable connection through adapter cable or adapter copper to achieve not only improved the reliability of the use of cables, but also great convenient for users of cable installation and maintenance. Cable has two compartment width (240mm or 440mm) or for selection, depending on the number of cable, cross section and user convenience of installation and maintenance requirements.
□ device function unit of a number of auxiliary contact and a unit for more than 32 pairs, 1 / 2 units of 20 right. To meet the automation and computer user interface needs.
□, taking into account the use of dry-type transformer of the general, security and the economy of oil-immersed transformers, the device can be easily dry-type transformer and the formation of a group out, and oil-immersed transformers can also be convenient to connect low-voltage bus.
□ to the drawer as the main body, at the same time out and fixed, can be a mixed combination of arbitrary choice.
□ device by three-phase five-wire system and three-phase four-wire system design, design department and user can easily choose PE + N or PEN way.
□ cabinets for the protection grade IP 30 and IP 40, can be selected according to user needs.