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Best Price for 40.5kv Ac Vacuum Load Break Switch - FN7-12 Series Indoor High Voltage Air Load Break Switch – Ghorit

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  • Best Price for 40.5kv Ac Vacuum Load Break Switch - FN7-12 Series Indoor High Voltage Air Load Break Switch – Ghorit
  • Best Price for 40.5kv Ac Vacuum Load Break Switch - FN7-12 Series Indoor High Voltage Air Load Break Switch – Ghorit

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Best Price for 40.5kv Ac Vacuum Load Break Switch - FN7-12 Series Indoor High Voltage Air Load Break Switch – Ghorit Detail:

FN7-12 is a new type of air indoor high-voltage load break switch. It is suitable for AC 50Hz, rated voltage 12kV three-phase AC power system, as the breaking load current and closing short-circuit current.

sdv

Type Description

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Working Conditions

● Ambient temperature: -25 °C~ 40°C;

● Altitude: <1000m;

● Relative humidity: daily average <95%; Monthly average <90%;

● There shall be no corrosive, combustion and explosion gas or vapor on the site;

● No frequent violent vibration.

Technical Parameters

Main specifications Note: (-) without (A) with Table 1

Name

Type

Model

DS

DX

L

R

RA

 F
      Earth switch

at inlet

Earth switch

at outlet

Interlock

device

Fuse

Striker fuse

Electric opening device

Load break switch

Without tripper

FN7-12

-

-

-

-

-

-

FN7-12DSL

 A

-

A

-

-

-

FN7-12DXL

-

A

A

-

-

-

FN7-12R

-

-

-

A

-

-

FN7-12DSLR

A

-

A

A

-

-

FN7-12DXLR

-

A

A

A

-

-

With striking tripper

FN7-12RA

-

-

-

-

A

-

FN7-12RAF

-

-

-

-

A

A

FN7-12DXLRA

-

A

A

-

A

-
FN7-12DXLRAF

-

A

A

-

A

A

Rated parameters Table 2

Rated voltage kV

Max. voltage kV

Rated current

A

1min power frequency withstand voltage kV

4s thermal stability current(RMS) kA

Dynamic stability current(peak) kA

Short circuit making current kA

Rated breaking current A

Rated transferring current A

12

12

 400

42/48

12.5

31.5

31.5

400

 1000
630

42/48

20

50

50

630

 1000

Rated parameters of fUse Table 3

Model

Rated voltage kV

Rated current A

Rated current of fuse
SDLA*J

12

40

6,3,10,16,20,25,31.5,40
SFLA*J

12

100

50,63,71,80,100
SKLA*J

12

125

125

A*: with striker.

General Structure Drawing and Installation Size ( unit mm )

ft

1. Arc Extinguishing Knife   2. Arc Contact Part and Arc Extinguishing Chamber   3. Insulator   4. Base

5. Dynamic Contact Knife   6. Static Contact Knife   7. Spring energy storage device (inside the main axis sleeve)   8. Main knife turning arm

Drawing 1 FN7-12 load switch outline and installation size

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1.Arc Extinguishing Knife 2.Arc Contact Part and Arc Extinguishing Chamber 3. Insulator 4. Base

5. Dynamic Contact Knife 6. Static Contact Knife 7. Spring energy storage device (inside the main axis sleeve)

8. Earthing Knife 9. Main knife closing turning arm 10. Earthing knife closing turning arm

Drawing 2 FN7-12DXL load switch outline and installation size

mgh

1.Arc Extinguishing Knife 2.Arc Contact Part and Arc Extinguishing Chamber 3. Insulator 4. Earthing knife

5. Base 6. Dynamic Contact Knife 7* Static Contact Knife 8. Fuse 9* Spring energy storage device (inside the main axis sleeve)

10. Earthing energy-storage spring 11. Interlock device 12. Main knife closing&opeing turning arm

13. Earthing knife closing&opening turning arm

Drawing 3 FN7-12DXLR separated type load switch outline and installation size

kyu

1.Arc Extinguishing Knife 2.Arc Contact Part and Arc Extinguishing Chamber 3. Insulator 4. Base

5. Dynamic Contact Knife 6. Static Contact Knife 7. Spring energy storage device (inside the main axis sleeve)

8. Fuse 9. Main knife closing&opening turning arm

Drawing 4 FN7-12R separated type load switch outline and installation size

mghm

1 .Arc Extinguishing Knife 2.Arc Contact Part and Arc Extinguishing Chamber 3. Impact type Fuse 4. Insulator Base 5. Earthing knife

6. Base 7. Dynamic Contact Knife 8. Main knife closing spring 9. Static Contact Knife 10. Earthing energy-storage spring

11. Main knife opening spring 12. Interlock device 13. Main knife closing&opeing turning arm m 14.Earthing knife closing&opening turning arm

Drawing 5 FN7-12DXLRA integrated type load switch outline and installation size

fht

1.Arc Extinguishing Knife 2. Arc Contact Part and Arc Extinguishing Chamber

3. Insulator 4. Base 5. Dynamic Contact Knife 6. Static Contact Knife

7. Spring energy storage device (inside the main axis sleeve) 8. Plate

Drawing 6 FN7-12C load switch outline and installation size

wefew

1.Arc Extinguishing Knife 2. Arc Contact Part and Arc Extinguishing Chamber

3. Insulator 4. Base 5. Dynamic Contact Knife 6. Static Contact Knife

7. Spring energy storage device (inside the main axis sleeve) 8. Fuse 9. Plate

Drawing 7 FN7-12CR separated type load switch outline and installation size

dr

1.Arc Extinguishing Knife 2. Arc Contact Part and Arc Extinguishing Chamber 3. Impact type fuse 4. Earthling knife

5. Insulator 6. Base 7. Main knife closing spring 8. Dynamic Contact Knife 9. Static Contact Knife

10.Earthing energy storage spring 11. Main knife opening spring 12.Plate 13. Drawing 11

Drawing 8 FN7-12CDXLRA integrated type load switch outline and installation size

Product detail pictures:

Best Price for 40.5kv Ac Vacuum Load Break Switch - FN7-12 Series Indoor High Voltage Air Load Break Switch – Ghorit detail pictures

Best Price for 40.5kv Ac Vacuum Load Break Switch - FN7-12 Series Indoor High Voltage Air Load Break Switch – Ghorit detail pictures

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Sticking to the principle of "Super Quality, Satisfactory service" ,We are striving to be a good business partner of you for Best Price for 40.5kv Ac Vacuum Load Break Switch - FN7-12 Series Indoor High Voltage Air Load Break Switch – Ghorit, The product will supply to all over the world, such as: Guatemala, Barbados, Bulgaria, We are very responsible for all details on our customers order no matter on warranty quality, satisfied prices, quick delivery, on time communication, satisfied packing, easy payment terms, best shipment terms, after sales service etc. We provide one-stop service and best reliability to our every customers. We work hard with our customers, colleagues, workers to make a better future.
    • As an international trading company, we have numerous partners, but about your company, I just want to say, you are really good, wide range, good quality, reasonable prices, warm and thoughtful service, advanced technology and equipment and workers have professional training, feedback and product update is timely, in short, this is a very pleasant cooperation, and we look forward to the next cooperation!
    5 StarsBy Katherine from India - 2018.09.19 18:37
    In China, we have many partners, this company is the most satisfying to us, reliable quality and good credit, it is worth appreciation.
    5 StarsBy Georgia from Brisbane - 2018.05.15 10:52

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