They are basically enclosures with pre-cut standard 22.5mm or 30.5mm openings that allow easy mounting of pushbuttons, switches, indicators and other pilot devices. These enclosures are available in various shapes and forms including slope tops, consoles, and more. Many of these junction boxes are NEMA 1 and NEMA 3R and include pre-punched knockouts for easier cable entry. Junction Boxĭesigned for use as surface-mounted junction boxes, service boxes, switch boxes and cutout boxes. These enclosures are commonly used for larger applications involving motor starters, drives, contactors, and PLCs as well as a wide variety of other electrical and electronic equipment.

Floor-mount and Freestandingĭesigned with feet supports that allow them to stand on any hard surface and to be secured/bolted for a permanent and secure installation. This type of enclosure can be used for many applications and are available for various NEMA/IP protection ratings. Image Courtesy: Automation Direct Wall-mountĭesigned to mount directly on a wall and to house electrical controls, terminals, instruments and components while providing protection from dust, dirt, oil, and water. The information is provided with a description of the enclosure design and purpose to better understand how they can be used in applications. The following enclosure types are the most commonly used enclosures. Thermal Management Solutions and Selecting Understanding Enclosure NEMA and IP Ratings

This electrical enclosure book consists of 8 chapters as mentioned in the below table. Today’s enclosures are built to provide a lifetime of service when the correct enclosure is used to meet the specific needs for a service or application.Įnclosures are designed in a range of shapes and sizes to offer various solutions and serve various applications. An electrical enclosure is a purpose-built cabinet designed to house electrical and electronic devices, providing the required protection to keep operators/personnel safe from electrical shock hazards and devices protected from hazardous environments as well as accidental damage.

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