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Custom Color Metal Distribution Box RAL Power Coating Enclosures Ouyue

2026-04-16 0 Leave me a message

How to customize the color of metal distribution box?

In the field of industrial electrical, metal distribution boxes are often regarded as functional products - users are more concerned about the material, protection level and internal configuration.

However, with the upgrading of urban landscape, the unification of enterprise brand image and the increasing requirements for the integration of outdoor equipment and environment, the surface color of distribution box has changed from a single "industrial ash" to diversified customization.

This paper introduces the process flow, color card selection and attention of metal distribution box customized color.

Why do you need to customize colors?


  • Brand recognition:Enterprises can spray the distribution boxes with the exclusive color consistent with the LOGO to enhance the on-site equipment recognition and strengthen the brand image.
  • Environmental integration:Outdoor distribution boxes often need to be color-coordinated with the building's exterior walls, garden landscapes, or municipal facilities to avoid being conspicuous. For instance, distribution boxes in parks are typically painted in dark green or matte black to blend in with the greenery.
  • Safety Warning:High-voltage distribution boxes can be painted in eye-catching colors such as bright yellow or orange to alert non-professionals to be cautious of safety.
  • Regional management:Different functional areas are marked with different colors (such as red for fire power supply, blue for weak current, and yellow for emergency), facilitating quick identification and maintenance on site.


Customize the color process

Process of operation Content Critical control point
Surface pretreatment Oil removal, rust removal, phosphating treatment Ensure coating adhesion and prevent shedding
Primer spraying Epoxy zinc-rich primer or general anti-rust primer Thickness ≥30μm, enhance anti-corrosion
Spray finish paint Apply polyurethane or outdoor powder coating according to customer's color card The color is accurate and the coverage is uniform
Curing by baking Constant temperature oven (180-200℃, 20-30 minutes) Ensure that the coating is fully cured and the hardness is ≥2H
Film thickness detection Spot check of coating thickness meter The total film thickness is 60-120μm
Color difference detection Colorimeter compares standard color plates ΔE≤1.5 (no significant difference visually)

Tips:The Electrostatic Powder Coating is strongly recommended for outdoor use. The weather resistance of the coating is better than that of liquid spraying, the anti-ultraviolet aging ability is stronger, and the color retention time can reach 5-8 years.

Supported color system

We can provide color matching according to the following standards:


  • RAL color card (German industrial standard) :provide RAL 1000-RAL 9035 a total of more than 200 colors, is the most commonly used color card system for industrial equipment.
  • Pantone Color Card (PMS) :suitable for enterprises with brand-specific color requirements, supporting accurate matching of LOGO colors.
  • Customer samples:according to the customer provided color plate or physical samples for computer color measurement and matching.
Color card type Application scenarios Remarks
RAL 7035 (light grey) Conventional indoor distribution box Industrial standard color
RAL 7040 (window ash) Outdoor cabinet, communication box Dirt resistant, compatible with most environments
RAL 9003 (signal white) Hospital Visual clarity
RAL 1007 (bright yellow) High voltage warning equipment High visibility
RAL 6005 (moss green) Parks, green belts Integration of environment
Customize samples Brand equipment, special projects Color card number or sample should be provided


China Ou Yue Electric Co., LTD. Customized color service advantages


  • Full set of equipment:with automatic spraying line and constant temperature oven, to ensure uniform coating, full curing.
  • Professional color measurement:equipped with colorimeter, each batch sampling inspection and issue test report.
  • Fast proofing:according to the customer color card number within 3 working days to complete the production and delivery of sample.
  • No threshold customization:minimum order of 1 set, no quantity limit.


Application Cases

Customer type customized color use
A new energy charging pile operator RAL 3020 (Traffic Red) Branding Integration, improve site recognition
A scenic spot management company RAL 6005 (moss green) The distribution box is integrated with the green belt
A chemical plant RAL 1018 (Zinc yellow) High pressure area warning
A communication base station project RAL 5005 (bright blue) Cooperate with enterprise VI system


China Ouyue Electric Co., Ltd. focuses on metal distribution box manufacturing for more than ten years, providing the whole process of production from sheet metal processing to surface spraying. We support RAL color card, Pantone color card and sample customization, outdoor grade powder spraying, 1 set minimum order, no quantity threshold. Whether you need standard gray or exclusive brand color, Ouyue Electric can respond quickly and deliver accurately. Welcome to consult customization.

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