FN18-12 Air pressure load break switch
General:It is used in three-phase power distribuiton of AC 50Hz rated voltage 12kv…
FN18-12 Air pressure load break switch

FN18-12 Air pressure load break switch

Detailed description

  • Description

General:

It is used in three-phase power distribuiton of AC 50Hz rated voltage 12kv and rated current 630A Esp For power ring network in city net work construction improvement high-rise buildings and public facilities as an ideal product to protect package substation and transformer It has the featrres of advanced design simple operation impact structruee smatr appearancelight weight complete function fast on-and off speed and high reliability.


Technical date

Number

Name

Unit

FN18-12D/630

FN18-12DR/100-31.5

1

Rated voltage

KV

12

2

Rated frequency

Hz

50

3

Rated current

A

630

100

4

1min power frequency withstand volage

kv

To ground and interphase42 isolation break48

Lighting impulse resisting voltage

To ground and interphase75 isolation break85

5

Distance between phases

mm

170

6

Rated machine stabling current

KA

50

7

Rated heat-stabling current

KA/S

20/2

8

Rated cble chrgig current

A

10

9

Rated transfer current

1600

10

Switch-off no-load transformer capacity

KVA

1250

11

Rated short-circuit switch-off current(fuse value)

KA

31.5-50

12

Rated short-circuit controlly current(peak)

50

13

Rated power load switch-off current

630

14

Earth switch rated heat-stabling current

KA/S

16/2

15

Breaking times of rated power load current

100

16

Mechanical life

2000


Best solution for your power!
Copyright © 2018 Rockwill Electric Group Co.,Ltd. All Rights Reserved.