YBD-12 Landscape Buried Box Transformer

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• Classification Series ：Box Type Substation • Product Name ：YBD-12 Landscape Buried Box Transformer • Product Overview： The light box type underground box transformer is mainly composed of two parts: an underground transformer installed in the ground (including a prefabricated pit) and an outdoor advertising light box...

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Product overview

The light box type underground box transformer is mainly composed of two parts: an underground transformer installed in the ground (including a prefabricated pit) and an outdoor advertising light box type high and low voltage switchgear installed on the ground. Among them, the underground transformer is a new type of distribution transformer with high-voltage fuse protection, which can be submerged in water for a period of time, and has been widely used in airports, highways, Bridges, tunnels and other places in China. The interior of the outdoor light box type high and low voltage switchgear is the outdoor high and low voltage distribution cabinet, and the outside of the box is the advertising light box. The content of advertising can be designed according to the surrounding environment and user requirements. The whole product covers a small area, beautiful and generous, not only can be highly coordinated with the surrounding environment, but also can realize the advertising role.

Technical parameters

Name	Unit	Parameter
High voltage switch unit	Rated frequency	Hz	50
	Rated current	A	630
	1min power frequency withstand voltage (to ground and phase/isolation fracture)	kV	42/48
	Lightning impulse voltage	kV	75/85
	Rated short-time withstand current	kA/2s	20
	Rated peak withstand current	kA	50
	Protection level	IP67
Low voltage switching unit	Low voltage unit rated voltage	kV	0.4
	Main circuit rated current	A	50-3200
	Rated short-time withstand current	kA/1s	30
	Rated peak withstand current	kA	63
	The number of branch circuits is Way	Way	0~32
	Protection level	IP34
Underground transformer	Transformer unit rated voltage	kV	10
	Rated capacity	kVA	30~1600
	Frequency resistance voltage	kV	35
	Lightning impulse voltage	kV	95
	Connection level	Dyn11
	Impedance voltage	4%/4.5%
	Loss of	S11
	Class of pr	IP68

Installation diagram

YBD-12 Landscape Buried Box Transformer

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معرفی دقیق

Product overview

Technical parameters

Name	Unit	Parameter
High voltage switch unit	Rated frequency	Hz	50
	Rated current	A	630
	1min power frequency withstand voltage (to ground and phase/isolation fracture)	kV	42/48
	Lightning impulse voltage	kV	75/85
	Rated short-time withstand current	kA/2s	20
	Rated peak withstand current	kA	50
	Protection level	IP67
Low voltage switching unit	Low voltage unit rated voltage	kV	0.4
	Main circuit rated current	A	50-3200
	Rated short-time withstand current	kA/1s	30
	Rated peak withstand current	kA	63
	The number of branch circuits is Way	Way	0~32
	Protection level	IP34
Underground transformer	Transformer unit rated voltage	kV	10
	Rated capacity	kVA	30~1600
	Frequency resistance voltage	kV	35
	Lightning impulse voltage	kV	95
	Connection level	Dyn11
	Impedance voltage	4%/4.5%
	Loss of	S11
	Class of pr	IP68