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Guidelines for Low-Voltage Power Distribution Boards v1.0

July 21, 2025 at 1:58 pm

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🔧 Latvian Electrical Material Wholesalers' Association (LEVA) Guidelines for Low-Voltage Power Distribution Boards

The Latvian Electrical  Material Wholesalers Association (LEVA), in cooperation with leading Latvian electrical designers, low-voltage switchgear manufacturers, and electrical engineers, has developed official guidelines (v1.0) to support the specification, design, manufacturing, and commissioning of low-voltage power distribution boards.

  • Applicable to boards up to 1000 V AC or 1500 V DC
  • Suited for indoor and outdoor installations
  • Intended for energy generation, distribution, conversion, and control systems

📐 Structure of the Guidelines

  • 12 parameter groups: including short-circuit resistance, installation methods, IP ratings, and more
  • Excel-based configuration template with over 130 selectable technical attributes
  • Standard distribution board types: main distribution, outdoor cabinets, control and automation units

🛠️ Commissioning Requirements

  • Aligned with Latvian regulations, EU directives, and IEC/LVS standards
  • Outlines required documentation, test protocols, CE marking, and routine verifications
  • Includes a control form template to support acceptance and compliance checks

🔗 Document Access

  • Low-Voltage Distribution Guidelines v1.0 (PDF, Latvian)
  • Parameter Selection Template (Excel, Latvian)


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