Find high quality yb-12/0.4 environmental prefabricated compact box-type/kiosk substation with competitive price here. Please rest assured to buy yb-12/0.4 environmental prefabricated compact box-type/kiosk substation with Shaanxi XD HI-TECH Medium-Low Voltage Apparatus Co.,Ltd

1. General

YB-12/0.4 Environmental Protection Series prefabricated compact Box-type Substation is applicable to high-rise buildings, street frontage substations, urban street lights, villages, oil field, mines, factories, wharfs, parks, shopping malls and temporary device and places. The compact transformer substation has lots of advantages, such as small occupation space, strong set character, short construction duration, less investment, convenient installation and maintenance, lighter weight, shorter power supply radius and movable feature. 

2. Technical Parameters

Items	HV load switch		transformer	LV load switch
Rated capacity(kvA)	50-1000KVA
Rated voltage(kV)	10		10/0.4	0.4				10
Rated current(A)	400	630		630	100	2000	2500	6.3-4		50-100
Breaking current   (effective value)A							50	Rn3	SKL.J	Rn3	SKL.J
								22	31.5	20	50
4s thermal stability   current kA(peak)	12.5/2s	20/2s
Dynamic stability current   kA(peak)	31.5	50
Short circuit closed current   kA(peak)	31.5	50
Power frequency withstand   voltage kv/min	To ground 42		Oil immersed TR. 35
	Fracture 48		Dry type TR. 28
Lighting impulse withstand   voltage kV	To ground 75
	Fracture 85
Upgrade level dB			Oil immerse =55
			Dry type =65
Protection grade	IP3X		IP2X	IP3X

3. Operation conditions

1. Ambient temperature: highest temperature is 40?, the lowest temperature is -25?, highest daily average temperature should be less than 35?.

2. Relative humidity: daily everage=95%, monthly average =90%.

3. Outdoor wind speed should be less than 35m/s.

4. Altitude should be less than 1000m.

5. The ground inclination is less than 3°.

6. The installation place should be free from explosion,  fire, chemical corrosion and serious shaking.

   7.  If the equipment will be used in special conditions, coordinate with a manufacturer

4. Test report