Hey there! As a supplier of Plastic MCB Distribution Boxes, I often get asked about the IP rating of these nifty boxes. So, I thought I’d take a few minutes to break it down for you in a way that’s easy to understand. Plastic MCB Distribution Box

First things first, what the heck is an IP rating? Well, IP stands for Ingress Protection, and it’s a standard that tells you how well a piece of equipment is protected against the intrusion of solid objects (like dust) and liquids (like water). The IP rating is made up of two numbers. The first number represents the level of protection against solid objects, and the second number represents the level of protection against liquids.
Let’s start with the first number, which ranges from 0 to 6. A rating of 0 means there’s no protection against solid objects. As the number goes up, the protection gets better. For example, a rating of 1 protects against objects larger than 50mm (like a hand), a rating of 2 protects against objects larger than 12mm (like a finger), a rating of 3 protects against objects larger than 2.5mm (like a tool), and a rating of 4 protects against objects larger than 1mm (like a wire). A rating of 5 means the equipment is protected against dust, but some dust may still enter, and a rating of 6 means it’s completely dust-tight.
Now, let’s talk about the second number, which ranges from 0 to 9. A rating of 0 means there’s no protection against liquids. As the number goes up, the protection against liquids gets better. A rating of 1 protects against vertically falling drops of water. A rating of 2 protects against vertically falling drops of water when the equipment is tilted up to 15 degrees from the vertical position. A rating of 3 protects against spraying water at an angle up to 60 degrees from the vertical. A rating of 4 protects against splashing water from any direction. A rating of 5 protects against water jets from any direction. A rating of 6 protects against powerful water jets from any direction. A rating of 7 means the equipment can be immersed in water up to 1 meter for a short period of time, and a rating of 8 means it can be continuously immersed in water under specified conditions. A rating of 9 is for high-pressure, high-temperature water jet cleaning.
So, what kind of IP ratings do our Plastic MCB Distribution Boxes typically have? Well, it depends on the specific application and the customer’s needs. For indoor use in a relatively clean environment, a box with an IP rating of IP20 might be sufficient. This means it’s protected against fingers and there’s no protection against water. It’s a great option for a simple electrical installation in a house or an office where dust and water exposure are minimal.
If the distribution box is going to be installed in an outdoor environment or an area where it might be exposed to some dust and light splashes of water, we often recommend a box with an IP rating of IP44. This rating provides protection against objects larger than 1mm and splashing water from any direction. It’s a popular choice for outdoor electrical installations, like in gardens or on the sides of buildings.
For more demanding environments, such as industrial settings where there’s a lot of dust and the potential for water jets, we offer boxes with higher IP ratings, like IP55 or even IP66. An IP55-rated box is protected against dust (although some may enter) and water jets from any direction. An IP66-rated box is completely dust-tight and can withstand powerful water jets.
Why is it so important to choose the right IP rating for your Plastic MCB Distribution Box? Well, if you choose a box with a lower IP rating than what’s required for the environment, you run the risk of dust or water getting inside the box. This can damage the electrical components, cause short circuits, and even lead to fires. On the other hand, if you choose a box with a much higher IP rating than necessary, you might end up spending more money than you need to.
Let me give you a real-life example. We had a customer who was installing a distribution box in a small shed in their backyard. They initially wanted an IP66-rated box because they thought it would be the best option. But after we talked to them about their specific needs, we realized that an IP44-rated box would be more than enough. The shed was relatively protected from the elements, and there was no risk of powerful water jets or a lot of dust. By choosing the more appropriate IP rating, they were able to save some money without sacrificing the safety of their electrical installation.
Another thing to keep in mind is that the IP rating is just one factor to consider when choosing a Plastic MCB Distribution Box. You also need to think about the size of the box, the number of circuits it can handle, the quality of the materials, and the brand reputation. At our company, we take pride in offering high-quality distribution boxes that not only have the right IP rating but also meet all the necessary safety standards.
We use high-grade plastic materials that are durable and resistant to impact. Our boxes are designed to be easy to install and maintain, with clear markings and ample space for wiring. And we offer a range of options to suit different budgets and requirements.
So, if you’re in the market for a Plastic MCB Distribution Box, don’t just focus on the IP rating. But at the same time, make sure you choose a box with a rating that’s appropriate for the environment where it will be installed. If you’re not sure which IP rating is right for you, just give us a shout. We’re happy to help you figure it out.
Whether you’re a DIY enthusiast looking to upgrade your home electrical system or a professional electrician working on a large-scale project, we’ve got the right Plastic MCB Distribution Box for you. Our team of experts is always on hand to answer any questions you might have and to guide you through the selection process.

So, what are you waiting for? If you’re interested in our Plastic MCB Distribution Boxes, get in touch with us today. We’re ready to have a chat with you about your needs and to provide you with a quote. Let’s work together to find the perfect distribution box for your project.
Power Control Box References
- International Electrotechnical Commission (IEC) 60529 – Degrees of protection provided by enclosures (IP Code)
Shandong Qinghua Yike Electric Co., Ltd.
Address: No. 378 Taozhuang Village, Zaoyuan Town, Lanshan District, Linyi City, Shandong Province
E-mail: admin@sd-qhyk.com
WebSite: https://www.qhecobox.com/