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PRODUCT

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TianJin
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Name

VI007040

Summary information
Specification: Vacuum Interrupter VI007040
Affiliate classification
Description

Specification: Vacuum Interrupter VI007040

Electrical Data

Rated voltage, 50Hz

7.2kV

Rated normal current

400A

Rated short-time withstand current, 4s

4kA

Min.Rated breaking current

80A

Max.Rated breaking current

3.2kA

Linit breaking current

4 kA

Rated Marking current

4 kA

Rated Insulation Level

Rated power-frequency withstand voltage

32kV

Rated lightning impulse withstand voltage

60kV

Thermal Data

Resistance at min. closing force (new cond.)

≤100μΩ

Max. permitted temperature at movable stem

170ºC

Mechanical Data

Contact stroke

5±1mm

Max. overtravel

2mm

Average opening speed ( (total excursion)

0.5±0.2m/s

Average closing speed ( (total excursion)

0.4±0.2m/s

Max. bouncing duration

2ms

Opening and closing non-simultaneity of three-phase contacts

≤1ms

Rated added external contact final force

100±20N

Closing force due to bellows and atmosphere

75±20N

Force required to hold contacts open at full stroke

190±30N

Contact erosion limit

2mm

Mass of moving contact

0.45kg

Weight of interrupter

1.2kg

Storage life

20years

Mechanical life

1000000times

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