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FN18-24 Air pressure load break switch
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FN18-24 Air pressure load break switch

Detail

++++General:

   FN18-24 Load break switch, disconnector used for the 24kV 50Hz power systems.This switch is installed indoor, can match with the manual and motor operating machanism.This switch can match with the fuse and the earthing switch.

++++Main technicals:

No.

Item

Unit

Parameters

1

Rated Voltage

kV

24

2

2Maximum Service Voltage

kV

25.8

3

Withstand Voltage to earth and between poles

kV

50

4

Withstand voltage across the isolating distance

kV

60

5

Impulse withstand voltage to earth and between poles

kV

125

6

Impluse withstand voltage across the isolating distance

kV

145

7

Rated current

A

400 630 800  

8

Breaking capacity for active circuits (cos Ø0.7)

A

400 630 800

9

Breaking capacity for no-load transformers

A

16

10

Breaking capacity for no-load line and cables

A

25

11

Short-time current

kA/1s

20

12

Making Capacity

kA

40