Square D QO342L225G 225A 3-Phase Load Center – 42 Space – NEMA 1 Indoor

The Square D QO342L225G load center provides robust 225A, 3-phase power distribution for 208Y/120V or 240V delta systems. Designed with a welded NEMA 1 indoor enclosure and tin-plated copper bus, it delivers reliable performance for commercial and industrial electrical installations.

Voltage and Rating

• Rated Current: 225 Amps
• Number of Phases: 3-Phase (3-wire or 4-wire)
• Voltage Rating:
• 208Y/120 Volts AC
• 240/120 Volts Delta AC
• 240 Volts Delta AC
• Short Circuit Current Rating: 65 kAIC

Key Features

• Fixed main lugs for dependable feeder connection
• Tin-plated copper busbar for superior conductivity and durability
• Accepts Square D QO breakers, including AFCI, GFCI, and surge devices
• Welded sheet steel enclosure for strength
• Ground bar included (not installed)
• Designed for indoor surface mounting

Configuration

• Number of Spaces: 42
• Maximum Single-Pole Circuits: 42
• Maximum Tandem Breakers: 0
• Mounting Mode: Surface Mount
• Enclosure Rating: NEMA 1 (Indoor)

Technical Specifications

• Wire Size: AWG 6…300 kcmil (Al/Cu)
• Torque:
• Main lugs: 250 lb-in
• Cover: 20 lb-in
• Enclosure Material: Welded sheet steel
• Bus Material: Tin-plated copper

Physical Details

• Dimensions: Height: 38.0 in; Width: 14.3 in; Depth: 3.8 in
• Weight: 21.45 lbs
• Certifications: UL Listed

Product Data

• • Manufacturer: Schneider Electric
  • Brand: Square D
  • Model Number: QO342L225G
  • UPC: 785901295532

Returns are easy

You may return items within 10 days of delivery for a refund.

FREE Shipping on orders over $149.

My Circuit Breakers offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).

Same Day Shipping

We strive to ship out your items within one business day.

In rare circumstances, My Circuit Breakers may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

My Circuit Breakers provides a comprehensive 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer). Extended warranties are available upon request.