China XL-21 Electric Sheet Metal Power Switchgear Distribution Box

XL-21 Electric Sheet metal Power Switchgear Distribution Box
Binzhou Hongbo Electric Co., Ltd. was incorporated in 2009, is located in Binzhou City, eight the Yellow River Road No. 856, is a set of production and manufacturing, sales and installation of integrated enterprises diversified electric power equipment business.

Normal operating conditions

Ambient air temperature : -5°C ~ +40°C;Daily average temperature(Within 24h): ≤+35ºCRelative humidity: ≤50% at the maximum temperature of +40ºC and may be higher at lower temperature, for example, 90% at +20ºC.Altitude:≤2,000m;Installation inclination:≤ 5°;Installation places: Indoor; without fire, explosion risk, serious pollution, rain immersion, violent vibration, chemical corrosion and conductive dust.

Technical Parameter

No.

Item(Unit)

Data

1

Rated Operational Voltage(V)

AC380

2

Rated Insulation Voltage(V)

AC500

3

Rated Frequency(Hz)

50

4

Main Bus Rated Current(A)

≤630

5

Main Bus Rated Short-time Withstand Current(kA)

≤15

6

Rated Impulse Withstand Voltage (kV)

6

7

Standard

GB7251.12

8

Protection Degree

IP30

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