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MNS Low-voltage withdrawable switchgear

Description


Overview

MNS series is a modular, multifunctional low-voltage distribution cabinet.It is applied to all low-voltage systems requiring high reliability field connection in the fields of metallurgy, petroleum,chemical, industrial and mining enterprises and infrastructure, etc. : distribution and motor control systems. MNS series adopts a cabinet structure with a high degree of flexibility.
According to your needs or different occasions of use, the cabinet can be installed in a variety of models and specifications of components;According to different electrical equipment, multiple types of feeding units can be installed in the same column cabinet or the same cabinet.For example: feed circuit and motor control circuit can be mixed together.
MNS is a full range of low voltage switchgear to meet your full range of requirements.
Suitable for all low pressure systems up to 4000A.MNS can provide a high level of reliability and security.
The humanized design strengthens the necessary protection for personal and equipment safety.
MNS is a fully assembled structure, and its unique profile structure and connection mode as well as the compatibility of variouscomponents can meet the requirements of harsh construction period and power supply continuity.
Executive standard: IEC439. GB7251.10

Model Meaning


Working Conditons

1.  Applications
2.  Implementation standards
3.  AMBIENT TEMPERATUREPower distribution, motor control It, standard GB7251.1- 5 ° C ~ 40 p
4.  The relative humidity of the environment is not more than 50% at 40°C. At lower temperatures, higher relative humidity is allowed, which may occasionally produce condensation (e.g., 90% at 20 hours).
5.  Installation location: indoor
6.  Altitude: W2000m
7.  If the above conditions cannot be met, the user shall put forward to the manufacturer when placing an order.

Product Size


Technical Parameters
 
Electric parameters
Rated voltage Ui Rated insutating voltage Ui 690V/1000V AC ,3P, 1500V DC**
Ue Rated woiking voltage Ue 400V/90V AC,3P,750V DC
Uimp Rated pulse withstand voltage Uimp 8kV
Grade of over-voltage III
Pollution grade 3
Rated frequency 50Hz to 60Hz 50 to 60Hz
Rated current Main bus le Rated current le to 6300kA Up to 6300kA
Ipk Rated peak withstand current Ipk to 220kA Up to 220kA
lew Rated short-time withstand current lew to 100kA Up to 100kA
Power distribution bus le Rated current le to 2000A Up to 2000A
Ipk withstand current Ipk to 189kA  Up to 189kA
lew Rated short-time withstand current lew to 86kA Upto86kA

 

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