鸿浩电力设备有限公司

Summary

GCK series low-voltage draw out type switch cabinet is widely used in power plants, metallurgy and steel rolling, petrochemical industry, light industry and textile, ports and docks, hotels and other places. It is used for centralized control of power distribution and motor in power supply system with AC three-phase four wire or five wire system, voltage of 380V and 660V, frequency of 50Hz and rated current of 5000A and below.

GCK is a low-voltage switch cabinet which has passed the comprehensive type test and obtained CCC certification. The design meets the following standards:

Standard gb7251.1 low voltage switchgear

Standard iec60439.1 low voltage switchgear and controlgear

Model meaning

Conditions of use

⦿ the ambient air temperature is not higher than + 40 ℃, not lower than - 5 ℃, and the average temperature within 24 hours is not higher than + 35 ℃;

⦿ the relative temperature should not exceed 50% at the upper limit temperature of + 40 ℃, and higher relative temperature is allowed at lower temperature, such as 90% at + 20 ℃;

⦿ clean air, no corrosive and explosive gas, no conductive and insulation damaging dust

⦿ when there is no obvious shaking and impact vibration, it shall be installed vertically, and the inclination shall not be greater than 5 degrees;

⦿ altitude not more than 2000 meters;

⦿ the switch cabinet is suitable for transportation and storage at the following temperatures: - 25 ℃ to + 55 ℃, and no more than + 70 ℃ in a short time (no more than 24 hours);

⦿ if the user fails to meet the above conditions, he shall negotiate with the manufacturer.

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 bus: 1000A, 1250A, 1600A, 2000a, 2500A, 3200A, 4000A, 5000A

⦿ rated short-time withstand current of bus: 50kA, 80kA (effective value) 1s

⦿ rated peak withstand current of bus: 105kA / 0.1s, 140ka / 0.1s, 176ka / 0.1s

⦿ rated current of branch bus: 630A, 1000A, 1250A, 1600A

⦿ rated short-time withstand current of branch bus: 30ka, 50kA (effective value) 1s

⦿ rated peak withstand current of branch bus: 63kA, 105kA / 0.1s

⦿ enclosure protection grade: IP30, IP40

⦿ bus setting: three phase four wire system, three phase five wire system

⦿ operation mode: local, remote and automatic