The Schneider Electric Square D MH74D9WP is a Type 3R rated panelboard enclosure designed for robust environmental protection. This enclosure, part of the Square D MH series, measures 74 inches in height, 20 inches in width, and 8.75 inches in depth, providing substantial internal volume for electrical distribution components. Its construction is engineered to withstand challenging outdoor conditions, offering reliable performance in various industrial settings.

Technical details

• Enclosure Type: Panelboard Enclosure
• Manufacturer Series: Square D MH Series
• NEMA Rating: Type 3R
• Dimensions (H x W x D): 74 inches x 20 inches x 8.75 inches
• Environmental Protection: Rated for protection against rain, sleet, and windblown snow
• Material: Durable construction suitable for demanding environments
• Mounting: Designed for secure installation in fixed locations
• Internal Configuration: Accommodates standard panelboard components and wiring

Applications & compatibility

This Type 3R panelboard enclosure is ideal for outdoor electrical distribution applications where protection from precipitation and windblown debris is essential. It is commonly deployed in utility substations, outdoor industrial facilities, and commercial buildings requiring weather-resistant electrical infrastructure. The MH74D9WP is compatible with a wide range of standard panelboard components and busbar systems, facilitating integration into existing or new electrical designs.

Available from Industrial Automation Co as new, refurbished, or surplus stock, backed by a 2-year warranty with same-day shipping on in-stock items. Request a quote for the Schneider Electric Square D MH74D9WP or contact our technical team for cross-reference assistance with compatible Square D panelboard components.