1. Range of Use & Purpose
GCK AC low-voltage distribution cabinet is suitable for power distribution systems of AC 50 Hz, rated working voltage 380V, rated working current upto 3150A by electrical users of power plants, substations and industrial and mining enterprises etc. for conversion, distribution and control of power equipment, lighting equipment and distribution equipment.
GCK AC low-voltage distribution cabinet is new low-voltage distribution cabinet designed according to the requirements of superior of Department of Energy, electrical users and design department based on the principle of security, economy, reasonableness and reliability. The product has the features of high breaking capacity, good dynamic thermal stability, flexible electrical scheme, convenient combination, strong seriation and practicability, new structure and high protection level etc. It can be used as upgraded product of low-voltage switchgear.
GCK AC low-voltage distribution cabinet conforms to IEC439 Low-voltage switchgear and controlgear assemblies and GB 7251 Low-voltage switchgear etc.
This series of products with high breaking capacity, good dynamic stability, advanced and reasonable structure, electrical program of practical, series, strong versatility, various schemes of unit combination, a cabinet contained many circuits, save the area , beautiful appearance, high level protection, safe and reliable, convenient maintenance etc.
It accords with the standards IEC439 NEMA ICS2-322 as well as the GB7251-87 “Low voltage complete switch device ” national standards and ZBK36001-89 "low voltage withdraw type complete switch device” professional standards"
2. Electrical panels Service condition
1. Ambient temperature: -15'C~+40'C
2. Altitude: <=1000m
3. Air humidity:
daily average of Air humidity <=95%, daily average of partial vapor pressure <= 2.2kPa;
monthly average of Air humidity <=90%, monthly average of partial vapor pressure <= 1.8kPa
4. Earthquake intensity <= 8 degree
5. No corrosive or flammable gas
Special condition subject to users
