HXGN17-12 (F) AC Metal-enclosed Ring Switchgear

Feature

A New Generation of Hv Product Designed and Developed Independently by Our Company by Adopting Overseas Advanced Technologies Combined with The Power Requirements of Our Country

Used for Electric Energy Receiving and Distribution in Factories and Mine, Residential Districts, High-Rise Buildings, Schools, Parks and So On, Also Can be Applied to Ring Network Power Supply and Terminal Power Supply

All Internal Components are National Advanced Products with Excellent Performances Complying with Relevant Standards, are Featured with Small Size, Light Weight, Simple Operation, Small Operation Force, Safe Operation, Convenient Maintenance, Reliable Quality, Less Floor Space, Installation Against Wall is Available, Free of Fire or Explosion Hazard, Etc

The Technical Parameters of Our Products Have Reached International Advanced Level Among The Similar Products

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Product Introduction

SUMMARY

HXGN17-12 (F) cubicle (fixed type) alternating-current metal-enclosed ring main unit (hereinafter referred to as ring main unit) is a new generation of HV product designed and developed independently by our company by adopting overseas advanced technologies combined with the power requirements of our country. It is applicable for three-phase distribution systems of 50Hz and rated voltage 10kV, used for electric energy receiving and distribution in factories and mine, residential districts, high-rise buildings, schools, parks and so on, also can be applied to ring network power supply and terminal power supply.

All internal components are national advanced products with excellent performances complying with relevant standards, are featured with small size, light weight, simple operation, small operation force, safe operation, convenient maintenance, reliable quality, less floor space, installation against wall is available, free of fire or explosion hazard, etc. Through data analysis and expert appraisal, the technical parameters of our products have reached international advanced level among the similar products.

MODEL

OPERATING CONDITIONS

1.Ambient temperature: -40ºC~+45ºC;

2.Relative humidity: daily mean not over 95%, monthly mean not over 90%;

3.Altitude: not exceed 4000m;

4.The installation site should be free of fire, explosive danger, serious pollution, chemical corrosion or severe vibration.

TECHNICAL PARAMETERS

Item	Unit	Load switch
		ZFN21 vacuum	ZFN11-12 vacuum	ZFN11-10 vacuum
Rated voltage	KV	10	10	10
Max working voltage	KV	12	12	12
Rated frequency	Hz	50	50	50
Rated current	A	630	630	400, 630, 800
Rated short-time withstand current	KA/S	20/4	20/3	20/3
Rated short-time withstand current of ground circuit	KA/S	20/4	20/3	20/3
Rated peak withstand current	KA	50	50	50
Rated peak withstand current of ground circuit	KA	50	50	50
Rated no-load transformer breaking current	KA	600kVA transformer		1250kVA transformer
Main circuit, ground circuit and rated short-circuit making current	KA	50		50
Rated short-circuit breaking current of fuse	KA	31.5		31.5
Electric life at rated current	Times	1000		100
Mechanical life	Times	1000		200
1 min power frequency withstand voltage (effective value) To-ground/phase across the isolating distance	KV	42/48
Power frequency withstand voltage isolating distance (effective value)	KV	53
Lightning impulse withstand voltage (peak) To-ground and phase-to-phase/across the isolating distance	KV	75/85
1 min power frequency withstand voltage of secondary circuit	KV	2
Rated switching current	A	3150		1300

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