Mauritania construction site electrical distribution box model and specifications

The ZBW type prefabricated substation is a widely used electrical distribution solution in Mauritania construction sites, offering integrated high-voltage and low-voltage distribution with transformer capacities from 50 kVA to 1600 kVA.

ZBW Type Prefabricated Substation Overview

The ZBW□ type prefabricated substation is a complete distribution system combining high-voltage switchgear, distribution transformers, low-voltage switchgear, energy metering devices, and power factor compensation equipment in one or multiple enclosures, designed for construction sites, industrial facilities, residential communities, airports, and infrastructure projects in Mauritania .

Key Technical Specifications

• Transformer Rated Capacity: 50, 100, 125, 160, 200, 250, 315, 400, 500, 630, 800, 1000, 1250, 1600 kVA
• Rated Frequency: 50 Hz
• Voltage Level: 10/0.4 kV
• Protection Level: IP23D
• Environmental Tolerance:
  • Ambient temperature: -25°C to 40°C
  • Relative humidity: ≤ 90% (monthly average at +25°C)
  • Wind speed: ≤ 34 m/s
  • Ice thickness: ≤ 20 mm
  • Pollution level: II, III
• Installation Requirements: Ground slope ≤ 5°, no fire, explosion, severe pollution, chemical corrosion, or intense vibration .

Structural Features

• Base frame welded from channel steel for high strength and rigidity
• Enclosure made of composite materials with strong radiation resistance to reduce solar heat
• Compact design for small floor area and rapid installation
• Harmonious appearance suitable for urban and industrial environments

Construction Site Electrical Enclosures

For smaller-scale or temporary construction site applications, prefabricated electrical enclosures are available in fiberglass, polyester, or sheet steel, often compliant with IEC 61439 and IEC 60364 standards .

Typical Features

• Material: Fiberglass, polyester, or sheet steel (internal doors 1.2 mm thick, powder-coated)
• Protection Ratings: IP65–IP67, impact resistance IK08–IK10
• Voltage and Frequency: 50/60 Hz, suitable for single-phase or three-phase distribution
• Customization: Pre-wired options, receptacle configurations, and modular designs for flexible deployment on construction sites

Local Suppliers and EPC Partners

• EDM Mauritanie supplies and installs transformer stations, LV and MV lines, and power cabinet distribution, partnering with GE, ABB, and Schneider Electric .
• CTM Turnkey Solutions provides integrated EPC services including substation development, switchgear installation, and electrical network integration for industrial and construction projects . These solutions ensure compliance with international standards, safe operation, and adaptability to Mauritania's environmental conditions, making them suitable for both permanent and temporary construction site electrical distribution needs.