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MNS type low voltage withdrawable switch cabinet
The device is suitable for power distribution and motor control centers of low-voltage power distribution systems such as power plants, substations, petrochemical enterprises, factories and mines, and high-house buildings, and for the conversion, distribution and control of electric energy with capacitance compensation.
It can meet the special needs of computer interface in large-scale single-machine capacity generators, low-voltage power control centers and motor control centers in large-scale petrochemical and other industries.
This device conforms to GB7251.1, JB/T9661 low-voltage draw-out switchgear, IEC439 and other standards.
Use of environmental conditions
Use of environmental conditions
The ambient air temperature shall not be higher than 40 ℃, not lower than -5 ℃, and the average temperature within 24 hours shall not be higher than 35 ℃. If the temperature exceeds, the operation shall be reduced according to the actual situation;
altitude not exceeding 2000m;
The relative temperature of the surrounding air shall not exceed 50% at the highest temperature of +40 ℃, and a larger relative temperature is allowed at a lower temperature;
The inclination of switchgear installation and vertical shall not exceed 5 °.
Technical parameters
Structural features
The product design takes full account of the requirements of the majority of power users and design departments, and can meet the needs of the ever-developing power industry for capacity increase, computer interface, power centralized control, convenient installation and maintenance, and shorten accident handling time, which is economical, reasonable and reliable. The product has the characteristics of strong connection ability, high segmentation ability, good dynamic thermal stability, flexible electrical scheme, convenient combination, strong series and practicability, novel structure and high protection level. It is a high-grade product of low-voltage withdrawal switch equipment.
Basic structure
The basic structure of the cabinet body is a combined structure suitable for the company, with C- shaped profiles (basic modulus E = 25mm) as the main structural parts, fastened by locking self-tapping screws and grade 8.8 high-strength bolts, thus the cabinet body has high precision, good rigidity and good grounding continuity.
Cabinet shape and internal partition
Cabinet shape and size
The 600mm deep cabinet is suitable for MCC single-sided operation, and the 1000mm deep cabinet is suitable for MCC double-sided operation.
Key word:
MNS type low voltage withdrawable switch cabinet
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