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VTZe-12
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Side mounting type indoor High Voltage Vacuum Circuit Breaker

 VS1/R-12




1.General  Description

VS1/R-12 series of Indoor High Voltage Vacuum Circuit Breaker with Lateral Operating  mechanism used spring to storage energy. The operating mechanism can be operated by two ways:manual and electric.The characteristics of

circuit breaker is accordance with GB 1964-2003 ,JB 3855-1996 and IEC 62271100:2001.

2.Applying  conditions:

Ambient temperature;-10----+40

Relative humidity:daily average ≤95%,monthly average ≤90%

Seismic intensity ≤8

Saturated vapor pressuredaily average ≤2.2kPamonthly average≤1.8kPa

Altitude:≤1000m;(Not including special requirement

Service environmentshould be avoided fire, explosion risk, serious pollution, chemical corrosion and violent vibration

3.Technical specification

No.

Item

Unit

Data

1

Rated voltage

kV

12

2

Rated frequency

Hz

50/60

3

Rated insulation levels

Rated power frequency withstand voltage/1min

kV

42

Rated lighting impulse withstand voltage

kV

75

4

Rated current

A

630

1250

5

Rated short circuit breaking current

kA

20

20

25

25


31.5

6

Rated short circuit making current(peak)

kA

50

50

63

60


80

7

Rated duration of short circuit

s

4

8

Rated operating sequence


O-0.3s-CO-180s-CO

9

Mechanical life

30000

4.Overall drawing




5.Secondary connection diagram






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