Laos Lighting Distribution Box Specifications
Laos lighting distribution boxes, including XM and XRM series, are designed for indoor and outdoor use, supporting single-phase and three-phase systems up to 400V with load currents up to 100A.
Types and Models
- XM Series: Available in standard, outdoor, and transparent-window models; can be surface-mounted or flush-mounted depending on user requirements .
- XRM Series: Lightweight distribution boxes suitable for secondary distribution in industrial, commercial, and residential applications; fully enclosed with control switches, signal indicators, and modular terminal electrical appliances .
Electrical Specifications
- Voltage: AC 50/60Hz, rated up to 400V .
- Current: Load current not exceeding 100A .
- System Compatibility: Single-phase two-wire, single-phase three-wire, three-phase four-wire, and three-phase five-wire systems .
- Protection: Overload, short circuit, and leakage protection integrated into the distribution box .
Operating Environment
- Ambient temperature: -5°C to +40°C .
- Indoor installation altitude: up to 200 meters .
- Relative humidity: up to 50% at +40°C; higher humidity allowed at lower temperatures (e.g., 90% at +20°C), .
- Installation tilt: maximum 5° from vertical .
- Environment: free from severe vibrations, shocks, and corrosive conditions .
Structural Features
- Enclosures are fully enclosed for safety and operational efficiency .
- Equipped with measuring instruments, control switches, buttons, and signal indicators on the surface .
- Suitable for powering lighting, motors, and small-scale equipment in residential, commercial, and industrial settings .
- Commonly used for electricity metering and billing in residential buildings .
Applications
- Residential buildings, high-end offices, upscale apartments.
- Industrial and mining enterprises, workshops, and factory premises.
- Hotels, hospitals, schools, government offices, and high-rise buildings .
Compliance and Standards
- Lao PDR has established national standards for electrical equipment, and distribution boxes should comply with the Lao Electric Power Technical Standards (LEPTS), which cover planning, design, construction, operation, and safety of electrical distribution systems . These specifications ensure that Laos lighting distribution boxes provide safe, reliable, and efficient power distribution for a wide range of applications while adhering to local technical standards.
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