Factory-direct circuit distribution boxes are available from multiple Chinese manufacturers offering customizable, IP-rated, and certified enclosures for industrial, commercial, and residential applications.

Key Manufacturers and Offerings

• Suzhou Zhuwei Electrical Equipment Co., Ltd. specializes in electrical enclosures, IP68 terminal junction boxes, and server cabinets, operating from an 8,000 m² facility with advanced sheet metal production lines .
• Zhejiang B&J Electrical Co., Ltd. produces wall-mounted, floor-standing, stainless steel, and plastic distribution boxes with CE, RoHS, TUV, IP66, and IP68 certifications, serving over 50 countries .
• SELHOT Electric offers IP65/IP66/IP67 waterproof distribution boxes made from UV-resistant PC/ABS materials, suitable for outdoor, solar PV, and MCB circuit-breaker applications. They provide OEM/ODM services including custom knockouts, color matching, and joint mold development .
• Zhejiang Mingguan Electric Co., Ltd. focuses on photovoltaic distribution products, including DC/AC combiner boxes, SPDs, fuses, and conversion switches, certified by CQC, TUV, CE, and ISO9001:2015 .

Product Features

• Material Options: High-strength ABS, PC, or metal enclosures for indoor/outdoor use .
• Ingress Protection: IP65–IP68 ratings for dust and water resistance, suitable for harsh environments .
• Customization: OEM/ODM services allow for tailored dimensions, knockouts, DIN rail installation, and color matching .
• Applications: Industrial power distribution, solar PV systems, MCB circuit-breakers, EV charging infrastructure, and commercial or residential electrical setups .
• Certifications: CE, RoHS, TUV, ISO9001, and other international standards ensure safety and reliability .

Purchasing Considerations

• Direct Factory Sales: Buying directly from manufacturers like SELHOT or Zhuwei can reduce costs and allow for bulk orders.
• Customization Needs: Determine if your project requires waterproofing, specific IP ratings, or specialized mounting options.
• Global Shipping: Many manufacturers export worldwide, including Southeast Asia, Europe, the Middle East, and the Americas .
• Technical Support: Look for suppliers offering engineering support, CAD drawings, and testing reports to ensure compatibility with your electrical systems . For factory-direct purchases, you can contact these manufacturers through their websites to request quotes, product catalogs, and customization options, ensuring the distribution boxes meet your project's voltage, environmental, and safety requirements.