2018 Good Quality Vacuum Pressure Switch - Vacuum Chamber TJC20-7.2/400 – Guoguang Electric

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Vacuum Chamber TJC20-7.2/400   Parameter No. MAIN TECHNICAL DATA Unit   1 Rated Voltage kV 7.2 2 Lightning Impulse Withstand Voltage (Peak) kV 60 3 Short-time (1min) Power-frequency Withstand Voltage kV 32 4 Rated Frequency Hz 50/60 5 Rated Current A 400 6 Rated Short-time Withstand Current kA 4 7 Rated duration of Short-circuit s 4 8 Rated Breaking Current A 4000 9 Limiting Breaking Current kA ...


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2018 Good Quality Vacuum Pressure Switch - Vacuum Chamber TJC20-7.2/400 – Guoguang Electric Detail:

Vacuum Chamber TJC20-7.2/400

 

Parameter

No.

MAIN TECHNICAL DATA

Unit

 

1

Rated Voltage

kV

7.2

2

Lightning Impulse Withstand Voltage (Peak)

kV

60

3

Short-time (1min) Power-frequency Withstand Voltage

kV

32

4

Rated Frequency

Hz

50/60

5

Rated Current

A

400

6

Rated Short-time Withstand Current

kA

4

7

Rated duration of Short-circuit

s

4

8

Rated Breaking Current

A

4000

9

Limiting Breaking Current

kA

 

10

Rated Making Current

kA

10

11

Rated Operating Frequency

AC-3

Operations/h

 

AC-4

300

12

Short-time Operating Frequency

Operations/h

 

13

Utilization Category

AC

 

14

Electrical Endurance

AC-3

Operations

2.5*105

AC-4

10*104

15

Mechanical Endurance

Operations

 

16

Clearance Between Open Contacts

mm

4 ~ 5.5

17

Contact Closing Force Due to Bellows and Atmosphere

N

70+ -10

18

Counter force of Contacts at Full Stroke

N

90+ -10

19

Circuit Resistance at Min. Rated Contact Force

μΩ

<= 160

20

Contact Limit Erosion

mm

1.5

21

Mass of Moving Parts

kg

0.42

22

Internal Gas Pressure

Pa

<=1.33*10-3

23

Shelf Life

Year

20

 

Outline Dimension drawing

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Product detail pictures:

2018 Good Quality Vacuum Pressure Switch -
 Vacuum Chamber TJC20-7.2/400 – Guoguang Electric detail pictures


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We emphasize advancement and introduce new products into the market each year for 2018 Good Quality Vacuum Pressure Switch - Vacuum Chamber TJC20-7.2/400 – Guoguang Electric, The product will supply to all over the world, such as: Finland , Ireland , Sweden , Now the competition in this field is very fierce; but we will still offer best quality, reasonable price and most considerate service in an endeavor to achieve win-win goal. "Change for the better!" is our slogan, which means "A better world is before us, so let's enjoy it!" Change for the better! Are you ready?
  • Customer service staff and sales man are very patience and they all good at English, product's arrival is also very timely, a good supplier.
    5 Stars By Dinah from moldova - 2015.12.28 15:18
    The manufacturer gave us a big discount under the premise of ensuring the quality of products, thank you very much, we will select this company again.
    5 Stars By Danny from Paraguay - 2016.09.26 12:12

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