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HXGT6A-12(24) Gas insulated metal enclosed ring network switchgear
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HXGT6A-12(24) Gas insulated metal enclosed ring network switchgear

HXGT6A-12(24) indoor gas-insulated metal-enclosed switchgear is a new generation of ring network switchgear independently developed by Tianan Electric, with a voltage level of 12kV (24kV).
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Number of views:
1000
Product serial number
B7
Category：
Medium Voltage Switchgear
Quantity
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Stock:
0

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1
Detail
Parameters
Features
Technical Parameter
Case

HXGT6A-12(24) indoor gas-insulated metal-enclosed switchgear is a new generation of ring network switchgear independently developed by Tianan Electric, with a voltage level of 12kV (24kV). It is an excellent product upgraded on the basis of the original HXGT6-12 inflatable ring network cabinet technology. It passed the type test at the Xi'an National High Voltage Electrical Apparatus Testing Center in May 2016, and also obtained the German TüV Rheinland certification.
All high-voltage live components of the product are sealed in a stainless steel box (IP67) filled with SF6 gas at a lower pressure (0.02～0.04MPa gauge pressure, 20℃), free from external environmental conditions such as condensation, contamination, and small animals. It can be used in harsh environments.

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1）Passed TüV Rheinland certification;
2）Passed 4000 meters high altitude test;
3）Rated current 630A～1250A;
4）The overall size of a single compartment is 350×820×1600;
5）Complete functions, with three functional units: load switch, combined electrical appliance and circuit breaker;
6）The load switch adopts the arc extinguishing grid cooling structure with strong arc extinguishing ability;
7）The operating mechanism adopts self-designed and mature functional unit mechanism and three-station isolation mechanism, which has strong versatility and reliability;
8）The isolation fracture of the three-station isolation switch is visible;
9）The annual air leakage rate is less than 0.1%;
10）It can meet various expansion methods and realize the layout of the same box.

Serial number

Project

Unit

Technical parameter

1

Rated current

A

630

1250

2

Rated frequency

Hz

50

3

Rated voltage

kV

12

4

Power frequency withstand voltage

kV

42/48

5

Lightning impulse voltage

kV

75/85

6

Rated breaking short-circuit current

kA

20、25、31.5（Combination appliances）

7

Rated short-time withstand current (effective value)/time

kA/s

20/4、25/2

8

Arc duration

s

1

9

Inflatable shell protection level

 

IP 67

10

Cabinet protection level

 

IP 4X

11

Rated pressure of SF6 gas (gauge pressure at 20℃)

MPa

0.04

12

Minimum functional pressure of SF6 gas (gauge pressure at 20°C)

MPa

0.02

13

SF6 gas annual leakage rate

%/year

≤0.1

14

Dimensions

mm

350×820×1600
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