12_24_36kV Cable branch box with switchgear inside

12_24_36kV Cable branch box with switchgear inside

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++++General:

  The 12/24/36kV Cable branch box with switchgear inside apply to AC 50Hz, rated voltage 12/24/36KV, cable inlet and outlet outdoor distribution network, it is widly used in industrial park, the dweller, commercial center and mining, airport, railway,port, power distribution etc distribution network. Especially in urban network reconstruction project.

  1.Complete insulated, sealed, no need maintain,reliable safety guarantee

  2.Simplify the city grid system, to save investment

  3.Outdoortype, dustproof, moisture proof,flood water resistance. corrosion resistance, strong adaptability to environment, flexible combination.

  4.Compact structure, beautiful appearance, easy installation, maintainance free, and with electric monitor, short circuit indicator and lightning

  5.Small area, low height, coordinate with the surroundings.

++++Sevice environment:

  a).Air temperature: maximum temperatur:+40℃; minimum temperature:-25℃

  b).Humidity: monthly average humidity 95%; daily average humidity 90%.

  c).Altitude above sea level: maximum installation altitude:2500m

  d).Ambient air not apparently polluted by corrosive and flammable gas, capor etc.

++++Main technical specifications:

Item

Unit

Parameter

Rated voltage

kV

12

24

36

Rated current

kA

630

Frequency

Hz

50

Power frequency withstand voltage

kV

42

55

70

BIL

kV

75

125

170

Rated capacity

KVA

50KVA~20MV

Crust protection grade


IP33

Noisy grade

dB

Less than 55

Appearance dimensions

mm

Accoding to primary wiring circuit schema

Main components for options

Mainl load break switch

type

SC6/SFG

SC6/SFG

SC6-36

Earthing switch

type

FN18

FN18

FN18

Surge arrester

type

HY5W

HY5W

HY5W

Fuse

type

XRNT

XRNT

XRNT

Voltage indicator

type

L6

VT

type

JDZ

CT

type

LZZBJ