Standard Dimensions of Low-Voltage Distribution Boxes in Myanmar

Low-voltage distribution boxes in Myanmar typically range from 1600mm to 2200mm in height, 400mm to 1000mm in width, and 400mm to 800mm in depth, with variations depending on type and installation req...

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Standard Dimensions of Low-Voltage Distribution Boxes in Myanmar

Low-voltage distribution boxes in Myanmar typically range from 1600mm to 2200mm in height, 400mm to 1000mm in width, and 400mm to 800mm in depth, with variations depending on type and installation requirements.General SpecificationsLow-voltage distribution boxes (LVDBs) in Myanmar are generally fabricated from 2.0mm galvanized or electrolytic steel sheets for durability and corrosion resistance, with epoxy resin electrostatic coating for additional protection . They are designed for three-phase systems with rated voltages of 400V to 660V and rated currents up to 630A . Outdoor boxes are reinforced with suitable channels and slanted roofs to prevent water ingress, and they typically conform to IP30 to IP55 protection levels, depending on the application .Standard DimensionsHeight: 1600mm to 2200mm (Standard Type: 1700mm or 1800mm; Busbar Type: 1900mm or more)Width: 400mm to 1000mmDepth: 400mm to 800mmDoor Hinges: Precision-cast, adjustable, allowing doors to open beyond 135°Internal Mounting: Adjustable brackets for flexible component installationCable Entry/Exit: Provision for top or bottom cable glands, heavy-duty double compression type Additional FeaturesLocking System: Godrej-type 3-position locks with galvanized manual locking provisionsEarthing: Two solid earthing points on either sideBusbars: Copper flat bars (25x4mm) with insulation tubing or phase-colored paintMCCB Protection: Conforming to IS: 13947 standards with neutral unbalance protectionEnvironmental Conditions: Suitable for ambient temperatures from -5°C to +45°C, relative humidity below 99.5%, and altitudes up to 2500 meters Notes on ComplianceLVDBs in Myanmar are often designed to meet IEC60439-1:1992 and GB7251 series standards, ensuring compatibility with international low-voltage distribution requirements . Outdoor boxes are fabricated to withstand environmental exposure, with IP55-rated enclosures tested at government-approved laboratories . Tolerances of dimensions are typically ±10% to accommodate manufacturing variations. These specifications provide a reliable reference for engineers, contractors, and procurement teams when selecting or designing low-voltage distribution boxes for residential, commercial, or industrial projects in Myanmar.
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