Azerbaijan Low-Voltage Distribution Box Specifications

Low-voltage distribution boxes in Azerbaijan typically conform to AC 50Hz, 400V systems, with rated currents up to 3150A, IP30–IP55 protection, and indoor installation standards.Types and RatingsGGD Type AC Low-Voltage Distribution CabinetsRated voltage: 400V AC, 50HzRated current: GGD1 – 1000A, GGD2 – 1600A, GGD3 – 3150AProtection level: IP30Compliance: GB7251.1-2023 Low-voltage Switchgear and Controlgear AssembliesApplications: Power plants, substations, factories, mines, and enterprisesInstallation: Indoor, altitude ≤ 2000m, ambient temperature -5°C to +40°C, relative humidity ≤ 50% at +40°C (higher humidity allowed at lower temperatures)Features: Flexible electrical schemes, strong breaking capacity, excellent dynamic and thermal stability, and broad adaptability to electrical schemes ABB MNS® Low-Voltage Distribution BoardsModular and multipurpose design for wall or floor mountingEnclosure materials: Cold-rolled steel, stainless steel, or special materialsProtection: IP54 or higher, with chemical corrosion resistance optionsTemperature tolerance: Up to +70°C for short periods, humidity up to 90% at +20°CFeatures: Welded structure, ease of installation, maintenance, capacity expansion, and protection XL-21 Type Low-Voltage Distribution CabinetsRated voltage: Up to 690V AC, 50/60HzRated current: Up to 800AInstallation: Indoor wall-mounted, front panel operation and inspectionProtection: Relative humidity ≤ 50% at +50°C, higher humidity allowed at lower temperaturesFeatures: Fully enclosed welded structure, ammeter, voltmeter, signal lamps, buttons, selector switches, and multiple wiring options General LT Distribution Boxes (Outdoor Type)Fabrication: 2 mm GI sheet steel with reinforced structureProtection: IP55, with type test certificates required from CPRI or government-approved labsFeatures: Slanting roof with overhang, Godrej 3-position locking system, concealed hinges, solid earthing points, copper bus bars (25x4 mm), heavy-duty cable glands, and MCCB with IS:13947 complianceAdditional: Metallic/heat-resistant insulating barriers between MCCBs, lighting provision inside the cabinet, and non-detachable nameplate for identification Environmental and Installation ConsiderationsIndoor installation is standard for GGD and XL-21 types; outdoor LT boxes are designed for weather protection.Temperature ranges vary by type: -5°C to +40°C for GGD, up to +70°C short-term for ABB MNS®, and up to +50°C for XL-21.Humidity tolerance: 50% at maximum rated temperature, with allowances up to 90% at lower temperatures.Installation inclination should not exceed 5° from vertical for indoor cabinets.Altitude limits: ≤ 2000m for indoor cabinets.Compliance and StandardsNational and international standards include GB7251.1-2023, IS:13947, IEC60439, and GB7251.3-2006.Protection levels range from IP30 (GGD) to IP55 (outdoor LT boxes), ensuring safety against dust and water ingress.All cabinets are designed for mechanical rigidity, thermal stability, and electrical safety, with provisions for expansion and maintenance. These specifications provide a comprehensive overview of low-voltage distribution boxes suitable for Azerbaijan's industrial and infrastructure applications, covering indoor and outdoor installations, rated currents, protection levels, and compliance with relevant standards.