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YB□-12/0.4 State Grid Standardized Customized Box-type Substation

The standardized customized box type substation meets the design principles of "safety, reliability, durability, unified standards, universal interchangeability, reasonable classification and wide use". High voltage cabinet adopts standardized customized SF6 gas insulated RMU or environment-friendly gas insulated RMU. The transformer is energy-saving and environment-friendly, fully sealed, oil immersed transformer (silicon steel sheet/amorphous alloy). The internal space of the box type substation is equipped with an automatic terminal and an independent secondary cabinet.

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Product Details

The standardized customized box type substation meets the design principles of "safety, reliability, durability, unified standards, universal interchangeability, reasonable classification and wide use". High voltage cabinet adopts standardized customized green gas insulated RMU. The transformer is energy-saving and environment-friendly, fully sealed, oil immersed transformer (silicon steel sheet/amorphous alloy). The internal space of the box type substation is equipped with an automatic terminal and an independent secondary cabinet.

No.	Item	Unit	High Voltage Switchgear	Transformer	Low Voltage Switchgear
1	Rated Capacity	kVA	-	400、500、630	-
2	Rated voltage	kV	12	-	0.4
3	Rated current	A	630	-	800~1250
4	Rated short-circuit breaking current	kA	20	-	30
5	1min Power frequency withstand voltage	kV	to earth 42 DS isolation distance 48	35	2.5
6	Lightning impulse withstand voltage	kV	to earth 75 DS isolation distance 85	75	-
7	Enclosure protection level		Enclosure IP33D，Internal compartment IP2XC
8	noise level	dB	≤55
9	Enclosure level		10
10	Internal arc level		IAC-AB 20kA 0.5s