MB50X40X20-3H-JFFD Outdoor Electrical Box NEMA Enclosure with 12V Cooling Fan – 19.7″x15.7″x7.9″
Part#MB50X40X20-3H-JFFD
This 19.7″x15.7″x7.9″ IP65 waterproof outdoor electrical enclosure is constructed from durable cold-rolled steel and features a 12V cooling fan for efficient thermal management.
Its versatile mounting options, pre-cut knockout holes, and removable backplane ensure easy installation and convenient access for various applications.

MB50X40X20-3H-JFFD Outdoor Electrical Enclosure – 19.7″x15.7″x7.9″ Features
- Durable and Corrosion-Resistant Construction
This 19.7″x15.7″x7.9″ electrical enclosure is built to withstand demanding conditions. The enclosure features a durable cold-rolled steel plate with a powder-coated and crystal-plated finish, providing excellent resistance to rust, corrosion, and deformation. This rugged construction ensures long-lasting protection for your electrical equipment.
- Efficient Heat Dissipation
The junction box is designed for optimal thermal management. It is equipped with a 12V cooling fan (80x80x10mm) and includes two ventilation slots on each side to facilitate efficient airflow. This combination of features ensures that heat generated by internal equipment is quickly and effectively dissipated, preventing overheating.
- Weatherproof and Reliable Protection
This outdoor electrical box is rated IP65 waterproof, providing a high level of protection against dust, water, rain, and snow. The heavy-duty metal construction and weatherproof sealing ensure that your equipment remains safe and dry, even in challenging outdoor environments.
- Easy and Versatile Installation
The enclosure features two pre-cut knockout holes at the bottom, simplifying cable entry and eliminating the need for manual drilling. It also includes stainless steel mounting hardware and hoops, allowing users to choose between wall-mounting or pole-mounting configurations for versatile installation options.
- Convenient Design
This transparent cover waterproof enclosure offers exceptional versatility for a wide range of outdoor applications. It’s ideal for housing WiFi equipment, power supplies, irrigation controllers, solar components, and more. From marine environments to home DIY projects, this enclosure ensures reliable performance for outdoor electrical systems.
MB50X40X20-3H-JFFD Outdoor Electrical Enclosure – 19.7″x15.7″x7.9″ Datasheet
| Part NO | MB50X40X20-3H |
| Material | Cold-rolled Steel Plate |
| Color | White |
| IP Rate | IP65 |
| External Size | 19.7″ x 15.7″ x 7.9″ |
| Installation Type | Wall/Pole Mounted |
If you have any questions about the product or would like more information, we encourage you to contact us via email at sales1@chinadaier.com or through our live chat. We are here to help you and give you the information you need.







