GCK, GCL Low Voltage Withdrawable Switchgear
Scope of Application
GCK, GCL series low-voltage withdrawable switchgear is designed by our company according to the needs of users. It has the characteristics of advanced structure, beautiful appearance, high electrical performance, high protection level, safety and reliability, and convenient maintenance. It is used in metallurgy, petroleum and chemical industries. It is an ideal power distribution device for low-voltage power supply systems in industries such as electricity, machinery, textiles and so on. It is listed as the recommended product for the transformation of the two networks and the ninth batch of energy-saving products.
1. The altitude does not exceed 2000m.
2. The ambient air temperature is not higher than +40℃, and its average temperature within 24h is not higher than +35 ℃, and the surrounding air temperature is not lower than -5 ℃.
3. Atmospheric conditions: clean air, relative humidity at the temperature of +40 does not exceed 50%, in the low temperature allowed to have a higher relative humidity, such as +20 for 90%.
4. There is no place with fire, explosion hazard, severe pollution, chemical corrosion and severe vibration.
5. The inclination from the vertical does not exceed 5.
6. The control center is suitable for the transportation and storage process at the following temperature, -25℃—+55 ℃, and no more than +70 ℃ in a short time (not more than 24h).The control center is suitable for the transportation and storage process at the following temperature, -25 ℃—+55 ℃, and no more than +70 ℃ in a short time (not more than 24h).
7. If the above conditions of use cannot be met, the user should propose to our company when ordering, and negotiate a settlement.
Model and Its Meaning
The Main Technical Parameters
1. Rated insulation voltage: 660V
2. Rated working voltage: 380V 660V
3. Auxiliary circuit rated power F: AC 220V. 380V，DC 110V. 220V
4. usage frequency: 50~（60）HZ
5. Rated current: Horizontal bus3150A; Vertical bus630A. 800A
6. Rated short-time withstand current: 105KA/1S; Midline bus30KA/1S
7. Rated peak current: 105KA/0.1S, 50KA/0.1S
8. Breaking capacity of functional unit (drawer): 50KA（Effective value）
9. Enclosure rating: IP30，IP40
10. Enclosure protection level bus setting: three-phase four-wire system, three-phase five-wire system
11. Meet the standards:
IEC-439 "Complete sets of low-voltage switchgear and control equipment" GB7251.12-2013 "Low-Voltage Complete Switchgear and Control Equipment Part 2: Complete Power Switch and Control Equipment" JB/T9661 "Low-voltage withdrawable switchgear"
12. Mode of operation: local, remote, automatic
Shape and Installation Dimensions
Effective installation height 1800
1. Power receiving cabinet and busbar contact cabinet
The width of the cabinet is divided into 600, 800, 1000, 1200, (800+400) mm according to the switch current level and the way of inlet and outlet, and the depth of the cabinet is 800, 1000mm (1000mm is recommended, and the depth of the upper inlet and outlet must be 1000mm).
2. Feeder cabinet
Cabinet width: 600. 800mm
Cabinet depth: 800. 1000mm (It is recommended to use 1000mm, and the depth of the upper outlet cabinet must be 1000mm).
3. Motor control cabinet (MCC)
Cabinet width: 600, 800mm
Cabinet depth: 800, 1000mm (It is recommended to use 1000mm, and the depth of the upper outlet cabinet must be 1000mm)
4. Power factor compensation cabinet
Cabinet width: 600(4, 6 routes), 800 (8 routes), 1000 (10 routes)
Cabinet depth: 800. 1000mm
Power receiving or feeding
Power or mother couplet
Power or mother couplet
The user should provide the following information when ordering:
1. The main circuit plan number, unit capacity and auxiliary circuit control mode. (Ie: local, remote, automatic control).
2. Arrangement drawing of switch cabinet and layout drawing of power distribution room.
3. Way in and out.
4. The surface color of the switch cabinet.
5. If the user does not specify the items 2 and 3 above, we will supply the standard cabinet of our factory.
6. If the user needs leakage protection, it should be mentioned when ordering. Other special solutions can be resolved through consultation with our factory.