Mauritius electrical distribution box specifications

Electrical distribution boxes in Mauritius are designed for 400 V nominal voltage, surface mounting, DIN rail compatibility, and module capacities ranging from 4 to 72, with IP40 protection for indoor use.

General Specifications

• Voltage Rating: Most distribution boxes are rated for 400 V nominal voltage, suitable for low-voltage residential, commercial, and industrial applications in Mauritius .
• Module Capacity: Boxes range from 4 to 72 modules, with common configurations including 12, 18, 48, and 72 modules per enclosure . Each module typically measures 18 mm in width.
• Mounting Type: Surface-mounted cabinets are standard, allowing easy installation on walls. They are compatible with DIN rail mounting for modular switchgear .
• Material and Wall Thickness: National standards require a minimum wall thickness of 1 mm for low-voltage distribution boxes to ensure durability and safety . Boxes are typically made of plastic or steel, depending on the model and application.
• Protection Rating: Indoor enclosures generally have an IP40 rating with the door closed and IP30 when open, providing protection against solid objects and limited protection against water .
• Door and Cover: Options include smoked or transparent doors, with single-leaf doors and latch-type closing mechanisms. Some models include earth terminal blocks for grounding .
• Current Rating: Larger steel enclosures can handle up to 630 A, suitable for industrial setups .
• Compatibility: Designed to accommodate all types of modular switchgear, including circuit breakers, residual current devices, and other protective devices .

Brand Examples

• Legrand Practibox S: Surface-mounted, 4–72 modules, smoked door, earth terminal blocks, 2-year warranty .
• Hager Enclosures: Surface-mounted, opaque or transparent doors, 12–72 modules, DIN rail compatible, nominal voltage 400 V .
• Easy9 Enclosure: Plastic, 18 modules, IP40 closed door, indoor installation .

Applications

These distribution boxes are suitable for:

• Residential buildings: Small panels with 4–18 modules.
• Commercial buildings: Medium panels with 18–48 modules.
• Industrial setups: Large steel enclosures with 48–72 modules and higher current ratings.

By following these specifications, electrical installations in Mauritius can meet national safety standards while ensuring organized and reliable power distribution .