Buy Medium Voltage Switchgear Pdf Suppliers – GCK LV withdrawable switchgear – JSM TRANSFORMER

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Buy Medium Voltage Switchgear Pdf Suppliers – GCK LV withdrawable switchgear – JSM TRANSFORMER Detail:

GCK Overview

GCK LV withdrawable switchgear cabinetis applicable to the low voltage distribution system with AC50Hz, rated workingvoltage 380V. It contains power center(PC) and motor control center(MCC) functions. Each technical parameter all reaches national standards. With characteristics of advanced structure, beautiful appearance, high electric performance, high protect-ion grade, reliable and safe and easy to maintain. It is the ideal distribution device for low voltage power supply system in metallurgy, petroleum, chemical, power, machinery and light weaving industries etc.
The product accords with standards IEC-439, GB7251.1.

GCK Design feature

1. GCK1 and REGCJ1 are assemble type combined structure. The basic skeleton is assembled by adopting special bar steel.
2. Cabinet skeleton, component dimension and starter size change according to basic modulus E=25mm.
3. In MCC project, parts in cabinet are divided into five zones(compartment): horizontal bus bar zone, vertical bus bar zone, function unit zone, cable compartment, and neutral earthing bus bar zone. Each zone is separated mutually for circuit’s normal running and effectively preventing fault expansion.
4. As all structures of framework are connected and firmed by bolts, so it avoids the welding distortion and stress, and upgrades the precision.
5. Strong general performance, well applicability and high standardization degree for components.
6. Draw-out and insert of function unit(drawer) is lever operation, which is easy and reliable with rolling bearing.

GCK Use environmental conditions

1. Altitude above sea level should not exceed 2000M.
2. Ambient air temperature:-5℃~+40℃ and the average temperature should not exceed+35℃ in 24h.
3. Air condition: With clean air. Relative humidity should not exceed 50% at +40℃. Higher relative humidity is allowed at lower temperature. Ex.90% at+20℃.
4. Places without fire, explosive danger, serious pollution, chemical corrosion and fierce vibration.
5. Installation gradient not exceed5?
6. Control center is suitable to the transportation and store with following temperature :-25℃~+55℃, in short time(within 24h) it should not exceed+70℃.

GCK The main technical parameters
Rated current(A)
Horizontal bus bar		1600  2000   3150
Vertical bus bar		630  800
Contact connector of main circuit		200  400
Supply circuit	PC cabinet	1600
Max current	MC cabinet	630
Power receiving circuit		1000  1600  2000  2500 3150
Rated short time withstand current(kA)
Virtual value		50  80
Peak value		105   176
Line frequency withstand voltage(V/1min)		2500

 

GCK The main technical parameters
Protection grade	IP40, IP30
Rated working voltage	AC, 380(V0
Frequency	50Hz
Rated inslation voltage	660V
Working conditions
Environment	Indoors
Altitude	≦2000m
Ambient temperature	一5℃∽+40℃
The min temperature under store and transportation	一30℃
Relative humidity	≦90%
Capacity of control motor(kW)	0.4-155

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