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Yangzhou Ke Yu Electric Power Co., Ltd.

Address: No. 97, Zhongxin Road, Automobile Industrial Park, Yizheng City, Yangzhou City
Phone: 0514-87520111

E-mali:keyudl09@126.com
Website: www.keyudl.com

FKW28-12 outdoor intelligent vacuum load switch

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General introduction
FKW28-12 outdoor intelligent vacuum load switch is a new generation of 10kV overhead distribution system load switch, with manual and electric operation function. Switch adopts the vacuum interrupter, zero gauge pressure SF6 gas insulation, no possibility of gas leakage, high reliability, maintenance free.
FKW28-12 vacuum load switch can be widely used in urban distribution network 10kV overhead lines of new construction and transformation, as well as rural power grid 10kV power supply line. Such as supporting distribution automation remote terminal, can cooperate with the realization of user demarcation function. 

Citation standards

GB3804 3.6kV-40.5kV high voltage AC load switch
GB/T 11022    Common technical requirements for high voltage switchgear and control equipment standards
GB/T 311.1   Insulation coordination of high voltage power transmission and transformation equipment
GB/T 3309 Mechanical test of high voltage switchgear at normal temperature
DL/T 593 Technical guidelines for common orders of high voltage switchgear
DL/T 402 Technical requirements for AC high voltage vacuum circuit breaker

 

Environmental conditions for use

◆Working temperature: 40~+70℃
◆Work environment humidity: 0~95%
◆Place of work elevation: ≤3000 m
◆Wind pressure: ≤ 700 Pa
◆Ice thickness: ≤10mm
◆External insulation contamination level:
◆seismic intensity: ≤ 8°

Note: This product is not suitable for fire, explosion hazard, chemical corrosion and severe vibration and other places.
 

Model Description
Product model and meaning:

 

 

Technical Parameters

number

Name

unit

Parameters

1

Rated voltage

kV

12

2

Rated current

A

630

3

Rated frequency

Hz

50

4

Rated lightning impulse withstand voltage

kV

Ground 75 / fracture 85

5

Rated short-time power frequency withstand voltage(1min)

kV

Wet test 34, dry test 42 / fracture 48

6

Rated thermal current (4s)

kA

20

7

Rated dynamic current stability

kA

50

8

Rated short-circuit current

kA

50

11

Mechanical life

10000

12

Secondary circuit frequency withstand voltage(1min)

kV

2

13

Rated operating sequence

 

O-0.3S-CO-180S-CO

14

net weight

KG

≤180

 

Dimensions

 

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