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|Voltage:||400V ~ 1000V||Current:||4000~6300A|
|Frequency:||50/60Hz||Altitude:||Up To 2000m|
|Breaker:||MCB / MCCB||Protection:||IP54(Negotiation)|
low voltage metal clad switchgear
400V 660V 4000A GCT Indoor Power Electric Cabinet LV Withbrawable Switchgear with MCB / MCCB
GCT Series Low Voltage Drawable Switchgear, a developed product of our company by absorbing the advanced technology of the same type of products in domestic and abroad and improving them, is a newly one which technology has reached to an international leading rank in the world in the 1990s.
This kind of switchgear, with frequency of 50/60 Hz (AC), rated voltage 660V max, rated current up to 4000A, is widely used in power transmission,distribution and controlling net for power distribution,lighting,motor protection and power supply in power plants, substation,works,mining,building,hotel,airport,seaport, etc.
GCT switchgear complying to standard of IEC439 Low-voltage switchgear and Control-gear assemblies and the GB7251 Low-voltage and Control-gear assemblies, had advantage of excellent breaking capacity, good dynamic stability, newly structure, a reasonable and complete electrical scheme, a serial and applicable design and higher protection degree and is a kind of ideal and renew product.
a. Compact, space saving design: More functional units in less space.
b. High generalization in structure design and flexibility in made up. The type C sheet with 25mm
modular interval can meet all of the needs of varied kinds of structures, different protection degrees,
operating and environmental conditions.
c. Standard module design: They can make up a variety of standard units for protection, operating,
transferring, controlling, regulating and indication. The user may choose the relevant standard units
for assembly according to requirements. Up to more than 200 of structure parts and function modules
can make up a variety of structure frames and drawer unit for different schematic requirements.
d. Adopting the high strengthen flame-resisting engineering plastic components, so the reliability and
safety protection capacity of the product has been strengthened.
e. High technical characteristics and the main technical data reach a high advanced level.
f. Easy installation and disassembly without any special tools.
|Rated insulation voltage||660V|
|Rated operating voltage||< =660V|
|Max. operating current of main busbar||4000A (IP30)|
|Max. operating current of distribution busbar (vertical busbar)||1000A|
|Horizontal busbar||Short time withstand current||50kA (rms. 1s)|
|Reinforce type||80kA (rms. 1s)|
|Horizontal busbar||Peak short time withstand current||105kA (peak)|
|Reinforce type||176kA (peak)|
|Vertical busbar||Short time withstand current||50kA (rms. )105kA(peak)|
|Peak withstand current||50kA (rms. )105kA(peak)|
|Protection degree||IP30 -IP45|
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