switch cabinet

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Product Description:

Specifications

the distribution power device with 12kv, three-phase, AC, 50HZ, used in the single bus and segmented system.

Standard:

GB3906-2006;  DL/T 404-1997.

Usage:

 Used in the single bus power system with 3.6-12kv, AC, three-phase, 50HZ to accept and distribute power, control, protect and monitor the circuit.

The technical parameter:

Item

Unit

Parameter

rated voltage

kV

3.6,7.2 ,12

rated current

A

1250,1600,2000,2500,3150

rated short-circuit drop-out current

kA

31.5,40

4Srated heat steady current

kA

31.5, 40

rated dynamic current

kA

80 ,100

rated lighting impulse withstand voltage

kV

75

Rated 1min power frequency withstand voltage

kV

42

auxiliary circuit power frequency withstand voltage

V

2000

auxiliary circuit control voltage

V

DC110,220 ; AC110,220

the level of protection of Shell and cabinet

IP4X

Size of cabinet

Middle-type

mm

900×1775×2050(800×1775×2050)

Landing middle-type

mm

840×1775×2200(1000×1775×2200)


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Q:Transmission system and distribution system
Transmission system is based on the power supply to the same level or lower substation for the purpose of the general voltage level higher (35KV or more)
Q:What is the difference between power supply and distribution
The two is the integration of power generation and power supply.
Q:What is the role of transmission system and distribution system in power grid
The power load center is more concentrated in the industrial zone and the big city,
Q:Distribution system equipment classification
The equipment can be used not only in the iron and steel industry, but also in the chemical and metallurgical industries
Q:Transmission lines are not electrical equipment?
Transmission lines are not electrical equipment? The answer is: the device is a function of the assembly
Q:What is the power equipment in the distribution room?
which is mainly used for the distribution of the electric energy of the low-voltage users, and the utility model is provided with a medium voltage input line (a small number of outlets)
Q:Power distribution equipment should be prepared before the blackout?
after the high and low voltage power failure, the work must be carried out before the first inspection
Q:AC distribution equipment including distribution box
so there will be in the power distribution cabinet a reference line and a zero line selection of single-phase 6A can switch.
Q:What are the distribution network equipment
The transmission function of the power plants issued by the electricity to power consumption areas, or between adjacent grid power to send each other
Q:What are the general requirements for working on distribution equipment?
Distribution equipment including high voltage power distribution room, substation, power distribution transformer platform, low voltage power distribution room (box), ring network cabinet, cable branch box] outage maintenance,

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