MNS Low Voltage Withdrawable Switchgear
MNS Low Voltage Withdrawable Switchgear

MNS Low Voltage Withdrawable Switchgear

MNS model LV switchgear is suitable for AC 50~60Hz, 660V and below power system. It is applied into power plant, substation, oil field, chemistry industry, metallurgy, mineral enterprise etc.

Feature

Suitable for Ac 50~60hz, 660v and Below Power System 

Applied Into Power Plant, Substation, Oil Field, Chemistry Industry, Metallurgy, Mineral Enterprise Etc

To Receive and Distribute Power with The Function of Control, Protection and Monitor

Conforms to Iec60439 Vde0660, Part Five, Gb7251 "Lv Switchgear And Controlgear" Standard and Jb/T9661 "Lv Draw Out Switchgear" Standard

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Product Introduction

Summary

 

MNS model LV switchgear is suitable for AC 50~60Hz, 660V and below power system. It is applied into power plant, substation, oil field, chemistry industry, metallurgy, mineral enterprise etc. To receive and distribute power with the function of control, protection and monitor. Different types of switch is used inside the cabinet.

 

The LV Switchgear conforms to IEC60439 VDE0660, part five, GB7251 "LV Switchgear and controlgear" standard and JB/T9661 "LV draw out switchgear" standard.

 

 

Operating conditions

 

1. Ambient temperature: +40, daily temperature +35, Lowest temperature -5 ;

2. Relative humidity at highest temperature +40, 50, allowed max. relative humidity at low temperature, for example, +20 is 90, it will occur moderate moist due to temperature change;

3. Altitude:  2000m;

4. The device is suitable for transportation and storage as the following temperature: -25~55. The device should not be suffered from non-recovery damage.

 

 

TECHNICAL SPECIFICATION

 

Primary circuit technical parameter (as per Dw45)

 

Type Rated current Rated current
of over
current release
Rated
insulation
voltage
Rated breaking capacity Short time
withstand
current
Rated making capacity
Instantaneous Delay 0.42S
  (A) (A) (V) 660V 380V 660V 380V (1s)
DW45-600 600 250,400,630 660   42/88.2   22/46.2 30
DW45-1000 1000 250,400,630,1000 660   50/105   30/63 or 40/84 40
DW45-1600 1600 1000,1250,1600 660 30/63 65/143 22/46.2 35/80.5 50
DW45-2000 2000 1250,2000 660 30/63 65/143 30/63 35/80.5 50
DW45-3200 2000 1250,2000 660 30/63 70/154 30/63 70/154 70
DW45-2000G 3200 2000,3200 660 50/105 65/143 42/88.2 42/88.2 65
DW45-2000G 3200 2000,3200 660 50/105 85/187 42/88.2 42/88.2 85
DW45-5000 5000 5000 660 50/105 120/264 42/88.2 42/88.2 100

 

 

MAIN TECHNICAL DATA

 

Item Unitv Data
Rated voltage A Up to 690
Rated current for system A 4000 (special to 6300A)
Rated current for busbar Horizontal Busbar A Busbar 6300 *extremely*
vertical Busbar HZ 1600@+40℃
Rated frequency kV 2000 *Note*
Power frequency with voltage 1min kV/1S 8
Rated Short-time withstand Current Horizontal Busbar kV/1S 55-100/105-250
vertical Busbar   60/130-150
Over voltage class  
Pollution Degree   3
Protection Degree mm IP30/IP40/IP54
Outline Dimensions (H*W*D)   2200 × 600 (800/1000) × 600 (800/1000)

Note:

1.The current of vertical busbar is extremely up to 2000A@+35℃; (+40℃ with cooler)

2.Protection Degree of lP54 is taken into consideration for special design if needed

 

 

INTERIOR STRUCTURE

 

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