MNS Sealed Indoor Low Voltage Withdrawable Switchgear

Short Description:

  • 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

Product Tags

MNS Sealed Indoor Low Voltage Withdrawable Switchgear

Technical specification

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

Service conditions

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.

MNS323

Outline dimension of MNS switchgear:

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.

mns2

1.Dimension of power center (PC) cubicle

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

2.Dimension of motor control center (MCC) cubicle

Height H(mm) Width(mm) Depth(mm) Remarks
B B1 B2 T T1 T2
2200 1000 600 400 1000/800/600 400 600/400/200 Front operating
2200 800 600 200 1000/800/600 400 600/400/200
2200 600 600 0 1000/800 400 600/400
2200 1000 600 400 1000 400 200 Front and rear operating
2200 800 600 200 1000 400 200

1.PC cubicle(Power distribution center)

2.MCC(Motor control center) drawers are divided into the following 5 types:

图片31111

Unit

Height (mm)

Width (mm)

depth (mm)

8E/4

200

150

400

8E/2

200

300

400

8E

200

600

400

16E

400

600

400

24E

600

600

400

Unit

8E/4

8E/2

8E

16E

24E

Maximum number of units to accommodate

36

18

9

4

3

3.Rear outgoing switch structure

Structure of handle Operation

mns4

8E/4 and 8E  handle operation

mns5

8E 16E 24E  handle operation

Normal combining form

MNS Sealed Indoor Low Voltage Withdrawable Switchgear 1

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