Professional Design World Best Selling Products - 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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Professional Design World Best Selling Products - 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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  • The goods we received and the sample sales staff display to us have the same quality, it is really a creditable manufacturer.
    5 Stars By Dorothy from Berlin - 2016.11.12 12:31
    This manufacturer can keep improving and perfecting products and service, it is in line with the rules of market competition, a competitive company.
    5 Stars By Rebecca from Spain - 2015.12.14 15:26

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