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High and low voltage prefabricated substations (European)
Release Time:2025-08-13      Number of clicks:24

Box-type Substation

Model:YB-120.4 High and low voltage prefabricated substations (European)

Application:

YB□ port-12/0.4 (F·R) high and low voltage pre-installed substation (European type) is widely used in urban power grid reconstruction, residential quarters, high-rise buildings, industrial and mining, hotels, shopping malls, airports, railways, oil fields, docks, expressways, temporary electricity facilities and other indoor and outdoor places.

This product meets the following standards:

GB/T17467-1998 High/Low Voltage Pre-installed Substation

DL/T537-93 Technical Conditions for Ordering 6-35kV Box Substations

Features:

● The altitude does not exceed 2000m;

● Ambient temperature: -25℃~+40℃;

● Relative humidity: at 25℃, the daily average value is not more than 95% and the monthly average value is not more than 90%;

● Installation place: a place without fire, explosion danger, conductive dust, chemical corrosive gas and violent vibration. If the above conditions are exceeded, users can consult with our company.

Specification:

Project

Unit

FKN12-12Load switch

FZN25-12Vacuum load switch

Rated voltage

kV

10

Maximum working voltage

kV

12

Rated frequency

Hz

50

Rated current

A

630

Rated breaking load current

A

630

Thermally stable current(effective value)

kA/S

20/2

20/4

Dynamic steady current

kA

50

50

Short circuit closing current (peak)

kA

50

50

Full load breaking times

Every time

20

10000

Mechanical life

Every time

2000

10000

1min

power frequency withstand voltage (interphase and ground)

kV

42

42

Lightning impulse voltage(relative to ground)

kV

75

75

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