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PRODUCTS
GCK[L] type low-voltage withdrawable switchgear
Classification:
Keywords: dry-type transformer series | oil-immersed power transformer series | special transformer series | box-type transformer series
Immediate ConsultationProduct Introduction
This type of low-voltage withdrawable switchgear consists of two parts: the power distribution center (PC) and the motor control center (MCC). It is suitable for power users such as power plants, substations, and industrial enterprises as part of a distribution system with AC 50Hz, a maximum working voltage of 660V, and a maximum working current of up to 3150A, used for power distribution, motor control, and lighting distribution equipment for energy conversion and distribution control.
Product Features
This product has high breaking capacity, good dynamic and thermal stability, advanced and reasonable structure, practical electrical scheme, strong series and universality, various scheme units can be combined arbitrarily, a single cabinet can accommodate many circuits, saving floor space, aesthetically pleasing appearance, high protection level, safety and reliability, and convenient maintenance.
This product complies with IEC439 standards, as well as the national standard GB7251-87 "Low Voltage Complete Switchgear" and the professional standard ZBK36001-89 "Low Voltage Withdrawable Complete Switchgear."
Model Description
Normal Operating Conditions
Ambient air temperature not exceeding +40°C, not lower than -5°C, daily average not exceeding +35°C;
Indoor installation and use, the altitude of the installation site must not exceed 2000M;
The relative humidity of the surrounding air must not exceed 50% at the maximum temperature of +40°C, and a higher relative humidity is allowed at lower temperatures, for example, 90% at +40°C;
No fire, explosion hazards, severe pollution, chemical corrosion, or severe vibration in the area;
The tilt angle during equipment installation must not exceed 5% from vertical;
If the above operating conditions cannot be met, the user should raise this issue at the time of ordering for negotiation and resolution.
Technical Performance Parameters
| Rated Voltage of Main Circuit (V) | AC 380(660) | |
| Rated Voltage of Auxiliary Circuit (V) | AC 220, 380 | |
| DC 110, 220 | ||
| Rated Frequency (Hz) | 50 | |
| Rated Insulation Voltage (V) | 660 | |
| Rated Current (A) | Horizontal Busbar | ≤2500 |
| Vertical Busbar (MCC) | 630 | |
| Rated Short-Time Withstand Current of Busbar (KA/1s) | 30, 50 | |
| Rated Peak Withstand Current of Busbar (KA/0.1s) | 63, 110 | |
| Power Frequency Test Voltage (V/1min) | Main Circuit | 2500 |
| Auxiliary Circuit | 1760 | |
| Busbar Three-Phase Four-Wire System | A, B, C, PEN | |
| Protection Level | IP40 | |
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Qualification Certificate
Product Qualification
Longxiang has always relied on innovation-driven and open cooperation, upholding the enterprise spirit of "diligence, preciseness, truth-seeking and pragmatism", and has won the support and affirmation of more and more partners.
Patent Certificate
Longxiang takes innovation drive as the core power, relies on the technology research and development and management system as the support, focuses on the research and development and production of transformers, various box-type transformers and substations, and high and low voltage electrical appliances. It has obtained a number of industry certifications and has held a number of patents.
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