the company specializes in producing complete sets of high and low voltage switchgear, has various professionals in power transmission and distribution equipment manufacturing, is equipped with international cnc sheet metal processing equipment, and has nearly 20 years of processing and maintenance experience. the products are widely used in power stations at all levels, municipal engineering, industrial and mining enterprises, residential buildings, etc. relevant products have been certified and become qualified suppliers of state grid, sinopec, petrochina, cnooc and other central enterprises.
vs1 zone (zn63) vacuum circuit breaker with high breaking capacity and low cut-off value (vd4 vacuum circuit breaker produced by abb can also be configured) as the main switch, with reasonable and compact structure, superior performance, safety and reliability. at the same time, it has "five prevention" interlocking function and meets the requirements of technical standards such as ec298 and gb3906. it is widely used in various substations of power system, power plants, industrial and mining enterprises and institutions.
technical parameters:
| project | unit | data | ||
| rated voltage ur | kv | 12 | ||
| rated insulation level | 1 min power frequency withstand voltage ud | ground, interphase and common fracture | kv | 42 |
| isolation fracture | kv | 48 | ||
| lightning impulse withstand voltage up | ground, interphase and common fracture | kv | 75 | |
| isolation fracture | kv | 85 | ||
| rated power fr | hz | 50 | ||
| rated current of main bus ir | a | 630,1250,1600,2000,2500,3150 | ||
| rated current of branch bus ir | a | 630,1250,1600,2000,2500,3150 | ||
| 4s rated short-time withstand current ik | ka | 16,20,25,31.5,40 | ||
| rated peak withstand current ip | ka | 40,50,63,80,100 | ||
| degree of protection |
the enclosure is ip4x, and the door of compartment and circuit breaker room is ip2x |
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ggd type ac low-voltage distribution cabinet is applicable to the power distribution system with ac 50hz, rated voltage of 380v and rated current of 1000a to 3150a for power plants, substations, factories and mining enterprises and other power users. it is used for power conversion, distribution and control of power, lighting and distribution equipment. ggd ac low voltage distribution cabinet is a new low voltage distribution cabinet designed based on the principles of safety, economy, rationality and reliability. the product has the characteristics of high breaking capacity, good dynamic and thermal stability, flexible electrical scheme, convenient combination, strong seriality and practicability, novel structure and high protection grade. it can be used as an updated product of low-voltage switchgear. ggd ac low-voltage distribution cabinet complies with the old c439 low voltage switchgear and control equipment, gb / t7251 low voltage switchgear and other standards.
| project | unit | technical parameter | |
| rated working voltage ue | v | 400 | 380 |
| rated insulation voltage ui | v | 690 | 660 |
| rated frequency | hz | 50 | |
| rated current in | a | 630~1600 | 1600~3200 |
| rated short-time withstand current of horizontal bus icw(1s) | ka | 30 | 50 |
| rated peak withstand current of horizontal bus ipk | ka | 63 | 105 |
| enclosure protection class | ip40,ip30 | ||
gck low voltage draw out switchgear is widely used in power distribution center pc and motor control center mcc of power plants, substations, factories and mining enterprises and high-rise buildings. it is a complete set of low-voltage power distribution device for power distribution, motor centralized control and reactive power compensation in power generation and power supply systems with ac 50-60hz, rated working voltage of 660v and below and rated current of 4000a and below.
technical parameters:
| project | unit | numerical value | |||
| rated working voltage ue (v) | v | 400 | |||
| rated insulation voltage ui (v) | v | 690 | |||
| rated current | horizontal bus | a | 630~1600 | 1000~2500 | 2500~4000 |
| vertical bus | a | 1000 | 1250 | ||
| rated short-time withstand current icw(1s) | horizontal bus | ka | 30 | 50 | 80 |
| vertical bus | ka | 30 | 50 | 50 | |
| rated peak withstand current ipk | horizontal bus | ka | 63 | 105 | 176 |
| vertical bus | ka | 63 | 105 | 105 | |
| enclosure protection class | ip40,ip30 | ||||
prefabricated substation is commonly known as european box type substation. this product is a complete set of power transformation and distribution device integrating high-voltage switch, transformer and low-voltage switch. it is a series of products developed and designed by our company to meet the needs of urban network construction. it has the advantages of beautiful appearance, reliable operation, simple maintenance, compact structure, convenient movement and small floor area. it is suitable for urban high-rise buildings, residential communities for distribution places such as scenic areas, factories and mining enterprises, wind power generation, public places and temporary equipment, the products can be used not only for ring network distribution system, but also as radial power grid terminal power supply, and can be equipped with high and low voltage metering units and low voltage capacitor compensation devices.
technical parameters:
| project | unit | high voltage switchgear |
transformer |
low voltage switchgear | |
| rated voltage | kv | 10 | 10/0.4 | 0.4 | |
| rated current | a | 400、630 | 100~2500 | ||
| rated frequency | hz | 50 | 50 | 50 | |
| rated capacity | kva | 100~800 | |||
| rated short-time withstand current | ka | 20 | 30 | ||
| rated peak withstand current | ka | 50 | 63 | ||
| rated short-circuit making current | ka | 50 | 63 | ||
| imin power frequency withstand voltage | kv | ground and phase to phase 42 | 35/28 | 20/2.5 | |
| lightning impulse withstand voltage | kv | ground and phase to phase 75 | 75 | ||
| shell protection grade | ip33 | ip53 | ip33 | ||
| noise level | db |
oil change ≤ 65 dry change ≤ 75 |
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