LV Withdrawable Complete Switchgear

Name: LV Withdrawable Complete Switchgear
Brand: YueBian Electric Co.,Ltd

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 Company, 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.

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Introduction
Specification
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Internal structure

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-tapping locking screw or 8.8 grade square corner screw. According to the change demand of project, additionally add corresponding gate, closing board, baffle plate, installation support and the components of bus bar, function units, to assemble a complete set of devices. Perform modulus to interior component and compartment size (Modulus unite=25mm).

Main Technical Parameters

Rated working voltage

Rated insulation voltage

Rated working current

(kA) Virtual value (1s)/peak value (kA) of rated short time withstand current

Protection grade of shell IP30、IP40

Horizontal busbar

Vertical busbar

Horizontal busbar

Vertical busbar

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.

Use environmental conditions

1. Ambient air temperature: -5℃ ~+40℃ and the average temperature should not exceed +35℃ 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 +20℃. 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 work normally under normal conditions.

5. If the 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.

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