SQUARE D QON442LS400 Qon Center Sqd Circuit Amplifier 400-AMP Panelboard 3PH 400PANELBOARD

( Brand: Square D ), ( Mounting Style: Panel ), ( Type: Qon ), ( Color: Gray ), ( Manufacturer Part Number: QON442LS400 )

Review SQUARE D Squareqon442ls400 Qon Load 400panelboard Sqd 3ph 42 Circuit

Introducing the QON Square QON442LS400 3-phase 400Amp 42-Circuit Panelboard. This industrial-grade panelboard is designed to deliver reliable and efficient power distribution for heavy-duty applications.

Measuring at an impressive size of 60 inches by 60 inches (152.4 cm x 152.4 cm), this panelboard offers ample space for accommodating various electrical components. It is constructed using high-quality, fire-retardant materials, ensuring the highest level of safety and durability.

The QON442LS400 is a 400Amp 3-phase panelboard, capable of handling three-phase electrical loads with ease. It is designed with 42 individual circuits, each with a separate breaker for overload protection and easy maintenance. The circuits are rated at 100Amps each, allowing you to distribute power efficiently to multiple loads.

This panelboard features a modern, square design that not only looks great but also offers improved cooling performance. The front cover is vented, ensuring that air circulates freely around the internal components, preventing overheating and extending the life of the panelboard.

The QON442LS400 is compliant with various international safety standards, including UL 1593, UL 1598, and CSA C22.2 No. 45. This ensures peace of mind, knowing that your electrical system is in compliance with the latest safety regulations.

Installation of this panelboard is made easy with its bus bars that are pre-wired and factory-installed. This eliminates the need for on-site welding, reducing installation time and costs. The panelboard also comes with a main breaker, which is factory-installed and pre-set to the rated amperage.

The QON Square QON442LS400 3-phase 400Amp 42-Circuit Panelboard is an excellent choice for any industrial, commercial, or heavy-duty electrical application. Its large size, robust construction, and efficient design make it an ideal solution for distributing power to multiple loads with ease and reliability.

Pros and Cons of Buying a Square D QON442LS400 400A 3-Phase 42-Circuit Panelboard

The Square D QON442LS400 is a 400A, 3-phase, 42-circuit panelboard designed for heavy-duty industrial and commercial applications. Here are the pros and cons of investing in this panelboard.

1. High Capacity: This panelboard offers a high amperage rating of 400A, which is suitable for powering large industrial or commercial loads.

2. Flexibility: With 42 circuits, this panelboard can accommodate a considerable number of devices and appliances, making it an ideal choice for larger facilities.

3. Durability: Square D is a reputable brand known for producing high-quality electrical equipment. The QON442LS400 is no exception, as it is built to withstand the rigors of heavy-duty use.

4. Safety Features: This panelboard comes equipped with various safety features, such as ground-fault protection and overload protection, to prevent electrical hazards.

5. Easy Installation: The QON442LS400 panelboard is designed for easy installation, making it a time-efficient option for electrical projects.

1. Cost: Given its high capacity and robust construction, the Square D QON442LS400 panelboard comes with a relatively high price tag, which might be a limiting factor for some buyers.

2. Complexity: Due to its advanced features and high capacity, this panelboard may require a higher level of expertise to install and maintain, potentially adding to the overall cost.

3. Size: The QON442LS400 is a large panelboard, which could pose a challenge for installations with limited space.

4. Weight: Weighing in at around 360 pounds, this panelboard is quite heavy, which could complicate transportation and installation.

The Square D QON442LS400 panelboard offers numerous advantages, including its high capacity, flexibility, durability, safety features, and ease of installation. However, its relatively high cost, complexity, size, and weight might be considered disadvantages for some buyers. Ultimately, the decision to invest in this panelboard will depend on the specific requirements and resources of the project at hand.

If you're looking for a heavy-duty panelboard for industrial or commercial applications, the Square D QON442LS400 could be an excellent investment. Its advanced features and robust construction make it a reliable and efficient option for handling large electrical loads. However, it's essential to consider the potential challenges, such as the high cost and size, before making a purchase. If the QON442LS400 doesn't meet your needs or budget, you may want to explore alternative panelboards with similar specifications from other reputable brands.

Details:

part #: qon442ls400 prices

• $250.00-$1450.00

specifications breakercoon:

• brand: Square D
• mounting style: Panel
• type: Qon
• color: Gray
• manufacturer part number: QON442LS400

shipping breakercoon:

• service: Standard
• class: Standard
• cost: $25.00
• type: Fixed
• transit: 4-7 Days

offer breakercoon:

• availability: In Stock
• started: December 4, 2025
• sold: 0
• options: Ship-to-home
• quantity: 1

returns breakercoon:

• policy: Returns Accepted
• time: 30 Days
• method: Money back
• paid by: Buyer

seller breakercoon:

• rating: 99.2%
• # reviews: 10458
• city: Los Angeles, California

general breakercoon:

• Electrical Supplies > Electrical Panels, Boxes Circuit Breakers > Circuit Breakers
• condition: New

payments breakercoon:

• other
• wallet: Apple-pay
• credit card: Mastercard

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