Sf6 Load Switch Ring Network Distribution Switchgear

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Hong Qi Group Wenzhou Transformer Co., Ltd.

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Profile Certified by SGS/BV
HXGN
ISO9001
Galvalume
Medium Voltage
Fixed
Cabinet
AC
410.000kg
630A-1250A
12/24kv
42kv
ZGHQDL
Wooden Box
120.00cm * 70.00cm * 220.00cm
China
8537209000
Product Description
HXGN -12(SF6) Unit type Ac metal-enclosed ring main unit(hereafter refer to as ring net cabinet) is a new generation of highpressure electric appliance product designed and developed independentliy by our own company according to the reguiremenof the domestic agricultural electricity and the city net transformation after introduction of overseas advanced technology. Eachtechnical performance index completely reaches the lEC298 and GB3906 standard.The loop-net cabinet s main switch, the operating mechanism and the components is made of the Corporation originalpiece or the SFL-12/24 switch equipment imported overseas and ass-embled at home.  The circuit breaker or the VD4-Svacuum circuit-breaker divideinto two kinds: be operated manually and electrically according to the operating mode.
The cabinet body is riveted after processed by numerical control machine tool with reliable mechanical interlocking and themisoperating prevention function. The protection grade reaches iP3X.This product has the remarkable characteristics such as thesmall volume,light weight, artistic appearance, simple operation, long life, high parameter with no pollution and little maintenance.

 
Itemunit 
Rated voltagekV7.2,12,24
Rated frequencyHz50
Rated current   A630,1250,1600,2000,2500, 3150,4000
4S Thermal stability current   kA16,20,25,31.5,40,50
Rated dynamic stability current (peak)kA40,50,63,80,100,125
Rated short-circuit breaking current   kA16,20,25,31.5,40,50
Rated short-circuit closing current (peak)     kA40,50,63,80,100,125
Rated insulation level 1min frequency withstand voltage   kV32  42,65
kV60,75,125
Rated operation sequence 0-0.3S-C0-180S-CO
Rated short-circuit breaking current the second50
Mechanical life timethe second20000
Contact opening distance   mm11±1
Overtravel   mm4±0.5
Centre distance between phases   mm210,275 
Bouncing time of closing contact   mS≤2
Three-phase switching non-simultaneous   mS≤2
Breaking time (when operating force is applied) Max.ms≤50
ms≤50
ms≤60
Closing time   ms≤100
Average opening speed   m/s0.9~1.2
Average closing speedm/s0.6~0.8
protection class P4X(When the breaker compartment door is openIP2X)
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