OEM China Replacement Bulb - Vacuum Chamber TJC20-7.2/630 – Guoguang Electric

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Vacuum Chamber TJC20-7.2/630 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 630 6 Rated Short-time Withstand Current kA 6.3 7 Rated duration of Short-circuit s 4 8 Rated Breaking Current A  5040 9 Limiting Breaking Current kA 6.3  10 Ra...


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OEM China Replacement Bulb - Vacuum Chamber TJC20-7.2/630 – Guoguang Electric Detail:

Vacuum Chamber TJC20-7.2/630

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

630

6

Rated Short-time Withstand Current

kA

6.3

7

Rated duration of Short-circuit

s

4

8

Rated Breaking Current

A

 5040

9

Limiting Breaking Current

kA

6.3 

10

Rated Making Current

kA

 

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

3.0*104

16

Clearance Between Open Contacts

N

4.5~6

17

Contact Closing Force Due to Bellows and Atmosphere

N

70+-10

18

Counter force of Contacts at Full Stroke

μΩ

120+-10

19

Circuit Resistance at Min. Rated Contact Force

mm

<=160

20

Contact Limit Erosion

 

1.5

21

Mass of Moving Parts

 

0.42

22

Internal Gas Pressure

 Pa

<=1.33*10-3

23

Shelf Life

Year

20

 

Outline Dimension drawing

556699


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OEM China Replacement Bulb -
 Vacuum Chamber TJC20-7.2/630 – Guoguang Electric detail pictures


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Dedicated to strict high-quality management and considerate purchaser support, our experienced employees members are usually available to discuss your specifications and be certain full shopper satisfaction for OEM China Replacement Bulb - Vacuum Chamber TJC20-7.2/630 – Guoguang Electric, The product will supply to all over the world, such as: Guatemala , Swiss , London , Our company offers the full range from pre-sales to after-sales service, from product development to audit the use of maintenance, based on strong technical strength, superior product performance, reasonable prices and perfect service, we will continue to develop, to provide the high-quality products and services, and promote lasting cooperation with our customers, common development and create a better future.
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