Square D Type 3R & 12 Enclosure MH50WP Style:Used This heavy-duty breaker features a

This heavy-duty breaker features a 400 amp rating with 600V capacity

Its reliable design ensures safe operation and meets UL/CSA standards

Compatible with Type Q

Siemens/ITE Type QJB Load Center Interior 20 Space/40 Circuits 150A-225A 120/240V  20" x 11"

Square D Type 3R & 12 Enclosure MH50WP Style:Used This heavy-duty breaker features aSquare D Type 3R & 12 Enclosure MH50WP Designed to protect electrical equipment from harsh outdoor environments, the Square D Type 3R & 12 Enclosure MH50WP is constructed from heavy duty aluminum and designed to maintain NEMA 3R & 12 ratings. This extremely durable enclosure provides reliable weatherproofing and dust protection for a wide variety of electrical applications. Dimension 21"x51"x6. 25"