Detailed Product Description

NGC3 Low-voltage Switchgear,Withdrawable Type

1 General

1.1 Electric ratings: rated voltage 690/1000V, rated current up to S000A
1.2 Application: applicable In the low-voltage system of factories, etc.

power distribution and motor control systems

1.3 Protection degree: IP3O , IP4O , IP54

1.4 Standards: IEC 60439

Working conditions
2.1 Ambient temperature-5 40
2.2 Altitude:≤2000m
2.3 Ambient humidity≤50%, when the temperature is +40.

Higher relative humidity for lower temperature. E.g. 90% at +20

2.4 Applicable In the places without danger of fire and explosion,

chemical pollution, corrosive and flammable gas.

2.5 Pollution grade: 3

2.6 Indoor installation

3 Main Technical Parameters
3.1 Electric data
a Rated Insulation voltage : 690 / IO00V
b Rated operational voltage : 4OOV / 690V
c Rated frequency: 50/6O Hz
d Rated impulse withstands voltage: 8KV
e Rated voltage of auxiliary circuit: AC38O/220V, DCllO/220V f Over-voltage grade3
g Rated current≤5000A
h Rated current of horizontal bus bar≤5000A

I Rated current of Vertical bus bar: 10O0A
3.2 Mechanical items
a Incoming and outgoing mode:
b Cable Incoming and outgoing:
c Connection mode:
d The functional units completely separated or partially separated

3.3 Switchgear dimensions
a Height (mm): 2200
b Width  (mm): 600,800,1000
c Depth  (mm): 600,800,1000
d Surface processing:
e Surface color: 5Y8/1
3.4 Horizontal bus bar
a  Rated short-time withstand current: 50/80/100kA

b Rated peak withstand current: 105/176/220KA
3.5 Vertical bus bar
a Rated short-time withstand current: 50kA
b Rated peak withstand current: 105kA
3.6 Earthling system: TT, IT, TN-S, TN-C-S

Technical Parameters:
1 For the switchgear of IP54,the min. depth is 728mm
2 For easier busbarinstallation, depths of the switchgears

should be unified. If the depths are not unified a busbarexchange

switchgear with depth of 400mm should be added
3 The depth of the switchgear should be≥800mm , If there is Incoming

and outgoing of busbarbridge and channel.
4 Customized products are available

The vital information and product of specifications should be contact with us,

 If you interested we will send out the detail information for you.

4 Ordering Information

The following information should be specified.

4.1 Connection diagram and the allocation diagram.

4.2 The secondary connection diagram and the terminals allocation diagram.

4.3 Name, type, specification and list of adopted components

4.4 List of electric equipments

4.5 Material, type and quantity of main bus bar.

4.6 Type and quantity of extra accessories and spare parts, if needed

4.7 Customized products are available on your requirements