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Complete low-voltage equipment MNS 1600-4000a
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Inflatable annular network cabinet
Complete low-voltage equipment MNS 800-2500A
Low -voltage retail distribution cabinets of AC MNS are suitable for electricity distribution systems at power plants, substations, in petrochemical, metallurgical, light, textile industry, high -rise buildings and other industries.
Description
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Review of the product
Small -voltage drawing distribution cabinets of alternating current MNS are suitable for electricity distribution systems at power plants, substations, in petrochemical, metallurgical, light, textile industry, high -rise buildings and other industries. He is used as a low -voltage distribution of the full cycle for the distribution of electricity, centralized engine control and compensation reactive power in three -phase systems for the generation of alternating current and power supply with a voltage below 690 V/50 Hz.
MNS products comply with the GB7251 and IEC439 standards, and the base cabinets are a collected combined design. The surface of the panel after etching and phosphate is subjected to electrostatic spraying, which ensures corrosion resistance, high mechanical strength and reliable grounding. The cabinet can be divided into tire collection, a vertical channel, a cable room and a room for functional blocks. The functions of each unit are relatively independent, and the zones are strictly separated by partitions to ensure the safety of use and prevent the spread of accidents. The sliding box for the supply has five specifications (E = 25 mm): 8E/4, 8E/2, 8E, 16E and 24E. The drawing position, the inspection position, the position of the detachment and the position of the department. Modular drawers of the same Devices can be easily changed in places, and it is also easy to carry out maintenance and repair to ensure operational reliability.
The conditions of use
Environmental temperature: -25 ° C - +40 ° C;
Environmental humidity: average daily <= 95 %, average monthly <= 90 %.
Height: 2000 m and below.
The working environment of the product should not be at the risk of fire, explosion, chemical corrosion or severe vibration.
The average daily temperature does not exceed +35 ° C.
When installing the equipment, the inclination to the vertical plane should not exceed 5%.
| Serial number | project | unit | parameter | ||
| 1 | Nominal operating voltage | V | AC400 | ||
| 2 | Nominal insulation voltage | V | AC690 | ||
| 3 | Nominal frequency | Hz | 50 | ||
| 4 | The level of pollution | Level 3 | |||
| 5 | Electric gap | mm | > = 14 | ||
| 6 | The distance of the leak | mm | > = 16 | ||
| 7 | Rated current of the main tire | A | 1000-3200 | 1600-4000 | 4000-6300 |
| 8 | Nominal short -term current | ka | 50 | 80 | 100 |
| 9 | Peak withstanded current | ka | 105 | 175 | 220 |
| 10 | Housing protection level | IP30, IP31, IP40, IP41 | |||
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