General info
GGD-type low voltage fixed-mounted switchgear assembly is
applicable to the power users, such as power plants, substations,
industrial and mining enterprises etc. with AC 50Hz, rated
operating voltage 380V, rated current up to 3150A power
distribution system as a driving force, conversion of electrical
energy for lighting and power distribution equipment as well as the
purposes of distribution and control. The product has high breaking
capacity. The rated short-time withstand current is up to 50KA,
with the characteristics of flexible line scheme, convenient
combination, strong practicality, novel structure and so on. The
product is one of our assembly type fixed panel switchgears in
China.
This product complies with the Standards GB7251 Low-voltage
Switchgear Assembly and Control Equipment, IEC 60439 Low - voltage
Switchgear Assembly and Control Equipment.
Product Characteristics:
1.Metal-enclosed and separately arranged, with high protection
Category
2.Enclosure with Front -Cabinet protection and back-cabinet
protection, the Board can be arranged and fixed along with the wall
to save the spaces
3.Protection Category of enclosure reaches to IP4X,
4.Elec.Line Cabinet with full spaces for mount and arrange
in-coming and out-going lines for the convenience of Fixing,
protecting and maintaining
Application
The switchgear is mainly used in power plants, small-and
mediumsized power generators, industrial and mining enterprises,
and secondary substations of power system for power receiving,
power transmission, and startup of large-sized high-voltage motor
in order to implement control, protection, and monitor.
Drawing
Technical data
| Technology Parameters | | |
| Item | Unit | Parameters |
| Rated Working Voltage | V | 400 |
| Rated Frequency | Hz | 50/60 |
| Rated Current | Horizontal bus line | A | ≤400 |
| Vertical bus line | A | ≤1000 |
| Rated short-time tolerant current(1s) | kA | 50 |
| Rated peak tolerant current | kA | 105 |
| Dielectric Strength | V/1min | 2500 |
| Rated Insulation Voltage | V | 660 |
| Out shell protection level | | IP30/IP40 |
| Shape dimension(Width×Length×Thickness) | MM | (600-1000)×1000×2200 |
conditions of working
1.The elevation shall not exceed 2000m;
2.The ambient air temperature is not higher than +40℃, and the
average temperature within 24 hours is not higher than +35℃, the
ambient air temperature is not lower than -5℃;
3.Atmospheric conditions the air is clean, the relative humidity
does not exceed 50% when the temperature is +40℃, and the
relatively high relative humidity is allowed when the temperature
is relatively low.
For example, at +20℃, it is 90%;
4.No fire, explosion risk, serious pollution, chemical corrosion
and violent vibration of the place;
5.The inclination with the vertical plane shall not exceed 5
degrees;
6.This product is suitable for the following temperature
transportation and storage: -25℃~55℃, in a short time (no more than
24h) no more than +70℃.
order instruction:
1. Schematic diagram of main circuit or electrical schematic
diagram
2. Arrangement and layout
3. Model, specification and quantity of main components.
4. Incoming and outgoing wire method and cable specification, etc
5. If bus connection is required between the devices, bus
connection and height from the ground shall be provided.
6. Other ordering requirements
