Hot Selling for 12kv Vacuum Contactor - 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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Our business puts emphasis over the administration, the introduction of talented staff, plus the construction of employees building, striving hard to boost the standard and liability consciousness of staff members. Our corporation successfully attained IS9001 Certification and European CE Certification of Design Vacuum High Speed Powder Mixer , Water Pressure Sensor , Vacuum Valve , If you are interested in any of our items, please don't hesitate to contact us and take the first step to build up a successful business relationship.
Hot Selling for 12kv Vacuum Contactor - 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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 Vacuum Chamber TJC20-7.2/630 – Guoguang Electric detail pictures


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  • This supplier's raw material quality is stable and reliable, has always been in accordance with the requirements of our company to provide the goods that quality meet our requirements.
    5 Stars By Alex from Senegal - 2015.11.02 11:11
    It is not easy to find such a professional and responsible provider in today's time. Hope that we can maintain long-term cooperation.
    5 Stars By Elsa from Iceland - 2015.02.08 16:45

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