GCK low voltage withdrawable switch cabinet
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Keyword： GCK low voltage withdrawable switch cabinet
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- Commodity name: GCK low voltage withdrawable switch cabinet
Product Overview
GCK low-voltage withdrawable switchgear is widely used in power plants, metallurgy and steel rolling, petrochemical industry, light industry and textile, port and dock, buildings and hotels, etc. as the centralized control of power distribution and motor in the power supply system of three-phase four-wire or five-wire system, voltage 380V, 660V, frequency of 50Hz, rated current of 5000A and below.
GCK is assembled with advanced low-voltage switchgear after comprehensive type test and obtaining CCC certification, and its design conforms to the following standards:
National standard GB7251.1-2005 Low-voltage complete sets of switchgear
International standard IEC60439.1-1992 Low-voltage complete sets of switchgear and controlgear
Model Meaning
Normal conditions of use
◆ Ambient air temperature is not higher than +40℃, not lower than -5℃, and the average temperature is not higher than +35℃ in 24 hours.
◆Relative temperature is not more than 50% at the maximum temperature of +40℃, higher relative temperature is allowed at lower temperatures, e.g. 90% at +20℃.
◆ The air is clean, no corrosive and explosive gases, no conductive and insulating dust:
◆ Occasions without significant shaking and shock vibration, vertical installation, inclination should not be more than 5 degrees;
◆ The altitude is not more than 2000 meters above sea level;
◆ The switchgear is suitable for transportation and storage at the following temperatures: -25℃ to +55℃, not exceeding +70℃ in a short period of time (not more than 24 hours);
◆ The switchgear is suitable for transportation and storage at the following temperatures
◆The user should consult with the manufacturer if the above conditions cannot be met.
Main technical parameters
◆Rated insulation voltage 660V/1000V
◆ Rated working voltage 400V/660V
◆ Rated working voltage of auxiliary circuit: AC 380V, 220V, DC 110V, 220V
◆ Rated current of busbar: 1000A 1250A 1600A 2000A 2500A 3200A 4000A 5000A Rated short-time withstand current of busbar: 50kA 80kA (RMS) 1 sec.
◆ Busbar rated peak withstand current: 105kA/0.1s 140kA/0.1s 176kA/0.1s
◆ Branch busbar rated current: 630A, 1000A, 1250A, 1600A
◆Branch busbar rated short-time withstand current: 30kA 50kA (rms) 1s
◆Branch busbar rated peak withstand current: 63kA 105kA/0.1s
◆ Shell protection grade: IP30 IP40
◆Bus setting: three-phase four-wire system, three-phase five-wire system
◆Operation mode: local, remote, automatic
Dimensions and mounting
Environmentally friendly gas-insulated metal enclosed switchgear is the most commonly used three-phase intelligent gas-insulated AC cabinet and is widely used in various switchgear sets, with population concentration in the country, the power market must be supported, environmentally friendly gas-insulated switchgear will also grow with market development; market potential is yet to be tapped. At the same time, as the product integrates data collection and management, data processing and storage, online monitoring of switchgear, advanced analysis, and other multifunctions in one, network intelligent monitoring and management of the distribution network, so that the distribution network operates in a safe, reliable, high-quality, and efficient best state, to achieve remote monitoring, management, and control of the power system distribution network, to achieve network optimization, safe electricity use, power management, energy saving, and consumption reduction; at the same time, the system can be widely used in intelligent power distribution fields such as transportation, factories, hospitals, schools, buildings, residential areas, and commercial office buildings.
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