| Customization: | Available |
|---|---|
| Certification: | VDE, CCC, ISO9001 |
| Shell Material: | Stainless Steel |
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1.MNS LV withdrawable switchgear (hereinafter referred to as device) is manufactured by standard module through consulting MNS series low voltage switch cabinet
2. The device is applicable to the system with AC 50Hz, ratedworking voltage 660V and below, used as control device for various powergeneration, transmission, distribution, power transfer and power consump-tion device.
3.The device accords with. international standard IEC439-1 and nationalstandard GB7251.1.
Service condition
1. Ambient air temperature: -5"C~+40"C and the average temperature should notexceed +35"C in 24h.
2. Air condition: With clean air. Relative humidity should not exceed 50% at +40C.Higher relative humidity is alowed at lower temperature. Ex. 90% at +20"C. But inviewof the temperature change, it is poss ible 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:-25C ~+55"C, in short time (within 24h) it reaches +70C. Under the limitingtemperature, device should not suffer damage that can't recover, and it can worksnormally under normal conditions.
5. If the above operating conditions not meet user' s demand. Consult withmanufactory.
6. Technical agreement should be signed additionally if the device is used for marinepetrol drill taken platform and nuclear power station.
A suitable surface treatment is applied to ensure tropicalization. With the aid of accessories and strengthened parts the MNS system meets the safety requirements for earthquake-prone areas.
· in tropical areas
· in earthquake-prone areas
· in shelters
· in shipbuilding
· in offshore switchboards
Note:
1. The current of vertical busbar is extremely up to2000A@+35ºC,(+40ºCwith cooler) .
2. Protection Degree of IP54 is taken into consideration for special design if needed.
|
No. |
Item |
Unit |
data |
|
1 |
Rated voltage |
V |
Up to 690 |
|
2 |
Rated current for system |
A |
4000(special to 6300A) |
|
3 |
Horizontal Busbar
Rated current for busbar
Vertical Busbar
|
A |
Busbar 6300 *extremely* |
|
1600 @+40ºC |
|||
|
4 |
Rated frequency |
HZ |
2000*Note* |
|
5 |
Power frequency with voltage 1min |
kV |
8 |
|
6 |
Horizontal Busbar Rated Short-timeWithstand Current Vertical Busbar |
kA/1S |
55-100/105-250 |
|
60/130-150 |
|||
|
7 |
Over voltage class |
III |
|
|
8 |
Pollution Degree |
3 |
|
|
9 |
Protection Degree |
IP30/IP40/IP54 |
|
|
10 |
Outline Dimensions(H*W*D) |
mm |
2200×600(800/1000)×600(800/1000) |
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