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SF6 Load Breaker

HV electrical equipment of high reliability
Mmaintenance-free,with rated voltage 12kV/24kV and rated frequency 50Hz
Applicable for 10kV distribution line
Two types for the product:manual and motor-driven type.

Specifications:

Description 

PLB-12/24 SF6 load break switch is a HV electrical equipment of high reliability and maintenance-free, with rated voltage 12kV/24kV and rated frequency 50Hz, applicable for 10kV distribution line as load regulation & control as well as distribution automation system. There are two types for the product: manual and motor-driven type.

Technical Parameter

Item

Unit

Data


12kV

24kV

36kV


Rated Current

A

630

630

630


Rated Voltage

kV

12

24

26


Rated Insulation Level

1 min Power Frequency

Withstand

Voltage

Dry

42/49

50/65

70/90



Wet

34

55

65



Lightning Impulse

Withstand Voltage (Peak)

75/85

125/145

150/175



Rated Frequency

Hz

50/60

50/60

50/60


Rated Short-circuit Closing Current (Peak)

kA

50

63

63


Rated Short-time Withstand Voltage (4s)

20

25

25


Rated Peak Withstand Current

50

63

63


Rated Operating Voltage (Controller)

V

AC220

AC220

AC220


Auxiliary Circuit Rated Voltage

DC24

DC24

DC24


Mechanical Life

times

3000

5000

5000


SF6 Rated Air Pressure (20°C)

MPa

≤0.71

≤0.71

≤0.71


SF6 Rated Annual Leak Rate

%

≤0.5


Operation Mode


Spring Operation (Manual/Electric)

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