QO342MQ225RB - Square D 225A 3-Phase 42-Space Convertible Main Breaker Load Center NEMA 3R

QO342MQ225RB

QO342MQ225RB is a Square D 225 Amp 3-Phase Convertible Main Breaker Load Center with 42 spaces designed for reliable power distribution in commercial and industrial applications.This load center supports 208Y/120 V AC, 240/120 V delta AC, and 240 V delta AC systems. It features a convertible main breaker type with a NEMA 3R enclosure rating for outdoor or damp locations. The panel accommodates up to 42 circuits and 42 spaces, allowing for flexible circuit configurations. It supports wire sizes from AWG 4 to 300 kcmil aluminum or copper conductors with tin-plated copper lugs for enhanced conductivity and corrosion resistance. The design enables straight-in wiring for faster installation and reduced labor.

Key Specifications
• Amperage: 225 Amps
• Voltage: 208Y/120 V AC, 240/120 V delta AC, 240 V delta AC
• Poles: 3-Phase
• Number of Spaces: 42
• Number of Circuits: 42
• Mounting Type: Convertible Main Breaker
• Enclosure Rating: NEMA 3R
• Wire Size Range: AWG 4 to 300 kcmil aluminum/copper
• Lugs: Tin plated copper
• Standards: UL 67 Listed, CSA, IEC Compliant
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Specifications

• Part Number: QO342MQ225RB
• Manufacturer : Schneider Electric
• Brand : Square D
• Category : Circuit Breaker
• Item Subcategory : Load Center
• Family : QO Series
• Type : QO
• Voltage : 120/240 AC
• Amperage : 225
• Phase : 3
• Temp Rating : -13–158 °F (-25–70 °C)
• Wire : 4
• Nema Rating : 3R
• Bus Type : Copper



Product Data

• UPC : 785901290643
• GTIN : 00785901290643
• Country of Origin : United States
• Dimensions : 14.77 in x 39.38 in
• Weight : 47.99 lb
• Certification : RoHS Compliant, UL Listed
• Wire Size : AWG 4 to 300KCmil, Aluminum/Copper