Vacuum Chamber TJC20-7.2/630

Short Description:

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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  • Port: Shanghai
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  • Product Detail

    Product Tags

    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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