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BLOKSET Intelligent Low-Voltage SwitchgearLow-Voltage Switchboard

Schneider-authorized high-quality switchgear for large-capacity applications. Features flexible busbar system (eases installation and maintenance), enhanced drawer protection, and reliable internal arc fault protection. Complies with IEC 61439.2 & GB/T 7251.2-2023, widely used in power systems, data centers, rail transit, medical facilities, and commercial buildings.

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Core Advantages & Features

  • Rapid Connection Fishplate DesignHorizontal busbars use bolt-free fishplate tech for quick, reliable connections. Pre-installed sliding fishplates ease on-site integration/assembly.

    01
  • Dual Clamp TechnologyVertical busbars use self-compensating dual clamps for tool-free, secure installation and stable performance under operational stress.

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  • Vertical Busbar Insulation BarrierIP20 red insulation barrier marks live zones. Insulated clamps boost protection for safe maintenance.

    03
  • Modular Frame SystemStandardized frames (600/700mm × 600mm W×D) enable flexible expansion via side/rear modules, facilitating easy cable routing and adaptable configuration.

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  • Standard-Thickness Busbar System5mm uniform busbars for high standardization. Supports single-bus (4000A) and double-bus (6300A) to meet diverse needs.

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  • Comb-Type Busbar ClampSpecialized comb-type clamps with alloy reinforcement guarantee easy installation, high stability, and exceptional mechanical strength.

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Technical Parameters

Basic Parameters
Rated voltage  400 V / 690 V
Rated insulation voltage 1000 V
Rated current  Up to 6300 A  
Frequency  50 Hz / 60 Hz
Rated impulse withstand voltage  12 kV

Rated short-time withstand current  

100 kA
Seismic withstand capability  Level 9
Salt spray test  200 h
Internal arc test100 kA/3s
High altitude4000 m
Electromagnetic compatibility (EMC) test reportAvailable
Withdrawal module dimensions2M, 4M/2, 3M, 4M, 6M, 8M, 9M, 12M
Protection ratingIP30-IP54
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Over 10,000+ businesses are already using Daqo products.

The company consistently maintains robust innovative vitality, standing at the forefront of the industry and driving its advancement. Through cutting-edge technologies and products, it achieves goals of energy conservation, environmental protection, quality enhancement, and consumption reduction, continuously contributing to the development of a resource-efficient and environmentally friendly society.