GGD AC low-voltage power distribution cabinet is applicable to power consumers of power plants, substations, industrial and mining enterprises and is used for electric energy conversion, distribution and control of power, lighting and power distribution equipment in power distribution system with AC 50Hz, rated operating voltage of 380V and rated operating current of up to 3,150A.
GGD low-voltage power distribution cabinet conforms to IEC61439 Low-voltage Switchgear and Controlgear Assemblies and GB7251 Low-voltage Switchgear and Controlgear Assemblies. Featuring high breaking capacity, good dynamic thermal stability, novel and reasonable structure, Perfect electric scheme , strong series and applicability and high degree of protection, the product may be used as an upgraded product.
This product shall conform to:
GB7251.1 Low-voltage Switchgear and Controlgear Assemblies Part 1: General Rules
GB7251.12 Low-voltage Switchgear and Controlgear Assemblies Part 2: Power Switchgear and Controlgear Assemblies
IEC61439 Low-voltage Switchgear and Controlgear Assemblies
The ambient air temperature shall not be higher than +40℃ and not be lower than -5℃ , and the average temperature within 24h shall not be higher than +35℃ .
The product shall be used indoors and The altitude may not exceed 2,000m.
The relative humidity of ambient air shall not exceed 50% at the maximum temperature of +40℃ and may be higher at lower temperature, for example, 90%at +20℃ . The impact of condensation resulting from temperature variation should be considered.
The inclination of equipment with vertical plane shall not exceed 5° at installation
The product shall be installed in the place without vibration and shock. The ambient medium shall not contain the harmful gas and conducting medium which may corrode metals and destroy the insulation.