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Jiangxi Chengming Electric Co., Ltd.
Dedicated to providing green and intelligent power equipment solutions for energy transformation.
MNS Low Voltage Withdrawable Switchgear
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Product Description
- 产品描述
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MNS is a modular and mulifunctional low-voltage distribution cabinet.It is applied in various fields such as metalurgy.petroleum,chemical industry. industrial and mining enterprises,and infrastructure,where high reliabiityin low-voltage systems for distribution and motor control is required.
MNS adopts a highly flexible cabinet structure.Dependling on customer needs or iferent applications,various types and specications of components can be installed inside the cabinet.Diferent types of feeder units can be installed in the same column cabinet or the same cabinet,such as combining feeder circuits with motor control circuits.
MNS is a comprehensive series of low-voltage switchgear that can meet all your needs for systems below 6300A. It provides high levels of reliability and safety,and its human-centric design enhances protection for personnel and equipment safety.
MNS is a fully assembled structure,and its unique profile structure and connection methods,along with compatibility with various components,meet the demanding requirements of construction schedules and power continuity.Compliance Standards:GB 7251.12.
Model
MNS
M:Switchgear Distribution Device N:Low Voltage S:Standard Mode Ordering Information
1.Main circuit scheme number,purpose,single-line system diagram,arrangement diagram,and layout plan of the distribution room.
2.Auxiliary circuit wiring diagram,terminal arrangement diagram.
3.Model,specifications,and quantity of electrical components inside the switchgear.
4.Requirements for control,measurement,and protection functions of the switchgear,as well as other interlocking and automatic devices
5.If busbar bridging connections are needed between switchgear or incoming cabinets,provide specific requirements such as the rated current,span,height above ground,etc.
6.Specify types and quantities of accessories and spare parts.
7.If the switchgear is used in special environmental conditions,provide detailed information when placing the order.
Technical parameters
1.1 Inlet/Outlet Form:Cable/Busbar Duct(Bridge)
1.2 Cable In/Out:Top/Bottom
1.3 Connection Form:Front/Back of the Cabinet
1.4 Protection Level:IP30,IP40,IP54
1.5 lsolation Form of Functional Units:Full lsolation or Partial isolation
2.Cabinet Dimensions.
2.1 Height:2200
2.2 Width:600,800,900,1000
2.3 Depth:600.800,1000
2.4 Surface Treatment:High-voltage electrostatic epoxy powder coating≥60μ
3.Electrical Data:
3.1 Rated Insulation Voltage:Up to 690V
3.2 Rated Working Voltage:Up to 400V
3.3 Rated Frequency:50/60Hz
3.4 Rated Impulse Withstand Voltage:8KV
3.5 Auxiliary Circuit Rated Voitage:AC380V,220V/DC220V
3.6 Overvoltage Category:Ⅲ
3.7 Pollution Degree:3
3.8 Rated Current:6300A
3.9 Horizontal Busbar Rated Current:6300A
3.10 Vertical Busbar Rated Current:2000A.1000A
4.Horizontal Busbar
4.1 Rated Short-time Withstand Current:50/80kA
4.2 Rated Peak Withstand Current:105/176kA
5.Vertical Busbar:
5.1 Rated Short-time Withstand Current:50kA
5.2 Rated Peak Withstand Current:105kA
6.Grounding System:TT,IT,TN-S,TN-C-S
7. Maximum Circuit Breaker for Inlet and Outlet Lines:4000A
①For cabinets with glass doors,the minimum depth is 725.
②To facilitate the laying of horizontal busbars,the depth of cabinets in the same arrangement should be uniform.If not uniform,a 400mm wide busbar transfer cabinet should be added at each connection.
③Cabinets with busbar bridges or busbar ducts for incoming and outgoing lines should have a depth≥800. Special requirements for products can be consulted with the manufacturer.
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No. 5 Weiye Road, Chongren County Industrial Park, Fuzhou City, Jiangxi Province, China
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