Low Voltage Control Panel Power Distribution Metering Control Box

Product Description

Low Voltage Control Panel Power Distribution Metering Control Box  


KYN28-12 is suitable for 3.6 ~ 12KV three-phase AC 50Hz power grid, for accepting and distribution of electrical energy, and for purposes of the circuit controlling, monitoring and protection. It can be used for single busbar, single busbar section system or double busbar system, and handcart type of the circuit breaker is easy to maintain. Mainly used in power substations, industrial and mining enterprises, hotels, communities, municipal construction, and petrochemical sector as controlling protection and power distribution monitoring.

WORKING CONDITIONS
• Ambient temperature: -25ºC~+40ºC
• Altitude: ≤2000m (If it is more than 2000m, please specify when ordering)
• Relative humidity: ≤95%(+25ºC)
• Earthquake intensity: ≤8 degrees Installation Environment: In the place where there is no fire, no explosion hazards, no serious pollution, no chemical corrosion and violent vibration

TECHNICAL PARAMETERS

Item		Unit Parameters
Rated voltage		KV	3.6, 7.2, 12
Rated frequency		Hz	50
CB Rated current		A	630, 1250, 1600, 2000, 2500, 3150
Cabinet Rated current		A	630, 1250, 1600, 2000, 2500, 3150
(4s) Rated flexible and stable current(4s)		KA	16, 20, 25, 31.5, 40, 50
() Rated flexible and stable current(peak)		KA	40, 50, 63, 80, 100, 125
Rated short and open circuit current		KA	16, 20, 25, 31.5, 40, 50
() Rated short circuit open and close current(peak)		KA	40, 50, 63, 80, 100, 125
Rated insulat ion level	1min1min power frequency withstand voltage	KV	24, 32, 42
	Lightning impulse withstand voltage	KV	40, 60, 75
Protection level		/	IP4X /Shell
		/	IP2X , when the compartment door and the breaker door are opened)

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