Low Voltage Switchgear Switchboard

MNS switchgear is suitable for power plants, substations, petrochemical plants, metallurgical steel rolling, transportation power, light industrial textiles and other factories, mining enterprises and residential communities, high-rise buildings and other places. It is used for power conversion, distribution and control of power distribution equipment in power systems with AC 50-60Hz and rated working voltage AC 660V and below.

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Description

Low Voltage Switchgear Switchboard

Technical parameter

	Item		Unit	Value
1	Rated working voltage of main circuit (AC)		V	380 660
2	Rated insulation voltage of main circuit (AC)		V	660
3	Rated frequency		HZ	50
4	Rated bus current	Horizontal bus	A	1600 2500 3150 4000 5000
4	Rated bus current	Vertical bus	A	1000 2000
5	Rated short-time withstand current (1S)	Horizontal bus	KA	50 80
		Vertical bus	KA	50
		Protective conductor	KA	30 48
		Neutral bus	KA	30 48
6	Rated peak withstand current	Horizontal bus	KA	105 176
6	Rated peak withstand current	Vertical bus	KA	105
7	Degree of protection of the shell			IP30 IP40

Use environmental conditions

1. The air temperature around MNS low-voltage switchgear: not higher than +40℃, not lower than -5℃, and its average temperature within 24 hours is not higher than +35℃;

2. The relative humidity of the air around the MNS switchgear: the air is clean, the relative humidity does not exceed 50% when the maximum temperature is +40℃, and higher relative humidity is allowed at lower temperatures, for example, 90% at +20℃;

3. Installation altitude: no more than 2000 meters;

4. The installation inclination of the switch cabinet: not more than 5 degrees;

5. There is no place where there is violent vibration, explosive gas, chemical corrosive gas and dust that can destroy insulation around the switchgear;

6. The withdrawable switchgear is suitable for transportation and storage in the following temperature range: -25°C to +55°C, not exceeding +70°C in a short time (24 hours).

Low Voltage Switchgear Switchboard