Buy Gis Gas Insulated Switchgear Manufacturers – MNS LV withdrawable switchgear – JSM TRANSFORMER

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Buy Gis Gas Insulated Switchgear Manufacturers – MNS LV withdrawable switchgear – JSM TRANSFORMER Detail:

MNS Overview
MNS LV withdrawable switchgear(hereinafter referred to as device) is manufactured by standard module through consulting MNS series low voltage switch cabinet of Switzerland ABB Co-mpany, and synthetically improved. The device is applicable to the system with AC 50Hz, rated working voltage 660V and below, used as control device for various power generation, transmission, distribution, power transfer and power consumption device. It is widely used in low voltage distribution system of various mining enterprise, tall building and hotel, municipal construction etc. Besides the general land use, after special disposal, it also can be used for marine petrol drill taken platform and nuclear power station.
The device accords with international standard IEC439-1 and national standard GB7251.1

MNS Main feature
1. Compact design: Contain more function units with less space.
2. Strong versatility for structure, flexible assembly.C type bar section of 25mm modulus can meet the demands of various structure and type, protection grade and operating environment.
3. Adopt standard module design, can be combined into protection, operation, transfer, control, regulation, measurement, indication etc such standard units. User can choose assembly according to requirement at will. Cabinet structure and drawer unit can be formed with more than 200 components.
4. Fine security: Adopt high strength antiflaming type engineering plastic pack in large quantity to effectively enhance the protective safety performance.
5. High technical performance: Main parameters reach the advanced level at home.

MNS Use environmental conditions
1. Ambient air temperature:-5℃~+40C and the average temperature should not exceed +35C in 24h.
2. Air condition: With clean air. Relative humidity should not exceed 50% at +40℃. Higher relative humidity is allowed at lower temperature. Ex.90% at +20C. But in view of the temperature change, it is possible that moderate dews will produce casually.
3. Altitude above sea level should not exceed 2000M.
4. The device is suitable to the transportation and store with following temperature:-25℃~+55℃, in short time(within 24h) it reaches+70℃. Under the limiting temperature, device should not suffer damage that can’t recover, and it can works normaly under normal conditions.
5. If te above operating conditions not meet user’s demand. Consult with manufactory.
6. Technical agreement should be signed additionally if the device is used for marine petrol drill taken platform and nuclear power station.

MNS Structural features
The basic cabinet of device is combined assembly structure. Basic structural pieces of cabinet is zinc plated, connected and firmed into basic bracket through self tappinglocking screw or 8.8 grade square corner screw. According to the change demand of project, additionally add corresponding gate, closing board, baffle plate, installationsupport and the components of bus bar, function units, to assemble a complete set of device. Perform modulus to interior component and compartment size(Modulus unite=25mm).

 

MNS The main technical parameters
Rated working voltage(V)	Rated insulation voltage(V)	Rated working current(A)		Rated short-time withstand current RMS(IS)/peak(kA)		Protection grade of shell IP30, IP40
		Horizontal bus bar	Vertical bus bar	Horizontal bus bar	Vertical bus bar	Outline dimension H*W*D
380   660	660   1000	630-5000	800-2000	50-100/105-250	60/130-150	2200*600(800,1000)*800(1000)

Rated working current of vertical bus bar:
Draw-out type MCC with single side or double sides operation:800A.MCC with 1000mm depth and single operation:800-2000A.

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