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
Rated current for busbar	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
Rated Short-time withstand Current	vertical Busbar		60/130-150
Over voltage class			Ⅲ
Pollution Degree			3
Protection Degree		mm	IP30/IP40/IP54
Outline Dimensions (HWD)			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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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.

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