MNS Sealed Indoor Low Voltage Withdrawable Switchgear

MNS is a kind of modularized and multifunctional sealed low voltage distributing switchgear. It is used in the low voltage systems below 4000A that need highly reliable operation, such as metallurgy petroleum, chemical industries, mine enterprise and so on.
Its body structures are flexible. It can install components of different types and specifications in the cubicle according to customers’ demands or various service occasions; various kinds of feed units can be fixed in one cubicle or a row of cubicles according to different consumer.
The product system is designed to provide a high reliability and safety.Performance Standard: IEC60439 GB7251.1.

Product Detail

Item	Unit	Data
Rated voltage	V	400 / 690
Rated insulation voltage	V	690/1000
Rated frequency	Hz	50 / 60
Rated main bus bar max. current	A	5500(IP00),4700(IP30)
Rated short time withstand current of main bus bar (1s)	kA	100
Rated short time peak withstand current of main bus bar	kA	250
Rated distribution bus bar current	A	1000(IP30)
Rated short time peak withstand current of distribution bus bar	kA	95
Degree of protection		IP30,IP40

Normal service conditions of switchgear as follows:
Ambient temperature:
Maximum	+40°C
Maximum 24 hour average	+35°C
Minimum (according to minus 15 indoor classes)	-5°C
Ambient humidity:
Daily average relative humidity	less than 95%
Monthly average relative humidity	less than 90%
Height above sea level at site	less than 1000m
Earthquake intensity	less than 8 degree
Height above sea level	less than 2000m

This product should not be used under conditions of fire, explosion, earthquake and chemical corrosion environments.

Normal service conditions of switchgear as follows:
Ambient temperature:
Maximum	+40°C
Maximum 24 hour average	+35°C
Minimum (according to minus 15 indoor classes)	-5°C
Ambient humidity:
Daily average relative humidity	less than 95%
Monthly average relative humidity	less than 90%
Height above sea level at site	less than 1000m
Earthquake intensity	less than 8 degree
Height above sea level	less than 2000m

This product should not be used under conditions of fire, explosion, earthquake and chemical corrosion environments.

Height H(mm)	Width B(mm)	Depth(mm)			Remarks
		T	T1	T2
2200	400	1000	800	200	The current through the main bus-bars
2200	400	1000	800	200	630A, 1250A
2200	600	1000	800	200	2000A, 2500A
2200	800	1000	800	200	2500A, 3200A
2200	1000	1000	800	200	3200A, 4000A
2200	1200	1000	800	200	4000A