6-10kV Ring Main Unit, HXGN口- 12

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6-10kV ring main unit is an electrical power distribution system suitable for indoor installation and is designed to operate in three phase AC 50Hz ring main and terminal power distribution networks. It is applicable to receive and distribute electricity in mines, residential areas, high-rise buildings, schools, and other areas where power distribution is required.

Environmental Conditions Altitude: lower than 1000 m; Ambient temperature: up to 40°C, greater than -25°C; Relative humidity: daily average ≤ 95%, monthly average ≤ 90% ( 25°C); Areas without risks of fire, explosion, pollution, chemical corrosion and severe vibration; Technical Parameters

Item		Unit	Parameter
Rated voltage／Maximum working voltage		KV	10/ 12
Rated current		A	630
Busbar current	Incoming cable	A	630
	Outgoingcable		125
Rated short time withstand current		KA	20
Rated peak withstand current		KA	50
Rated closed-loop breaking current		KA	50
Rated mainly active load-breaking current		A	630
Rated cable-charging current		KA	20
Power frequency withstand voltage (1 min)		KV	42
Rated lightening impulse withstand voltage		KV	75
Mechanical endurance	Vacuum load break switch	times	10000
Dimension (W×D×H)		mm	850×900×2000
Weight		kg	200 ~ 300kg