SQUARE D QOU390 Circuit Breaker 785901060321 90A 120/240V 3P 6B010

( Brand: Square D ), ( Type: Unit Mount Miniature Circuit Breakers ), ( Voltage: 240vac ), ( Manufacturer Part Number: QOU390 ), ( UPC: 785901060321 )

Review SQUARE D Squareqou390 Circuit Breaker 90a 120/240v 3p

Introducing the SQUARE QO390 circuit breaker, a reliable and efficient solution for managing electrical current in your residential or commercial electrical system. This circuit breaker is rated for an amperage capacity of 90 amps and can handle voltage ranges of 120 volts and 240 volts. The three-pole, six-break design of this circuit breaker makes it suitable for applications that require the interruption of multiple circuits at once.

The SQUARE QO390 circuit breaker is engineered for durability and safety. Its rugged construction ensures that it can withstand the demands of heavy electrical loads while providing reliable protection against short circuits and overloads. The breaker features a trip mechanism that activates when the electrical current exceeds safe levels, preventing potential damage to connected appliances or electrical wiring.

This circuit breaker is also designed with user-friendliness in mind. The breaker includes a clear and easy-to-read label that indicates its amperage rating and function, making it simple to identify the correct breaker for your electrical application. Additionally, the breaker is designed to be easily installed and can be mounted in a standard single-gang electrical box.

The SQUARE QO390 circuit breaker is compatible with a wide range of electrical systems and can be used in both residential and commercial applications. Its versatile design makes it a popular choice for use in garages, workshops, and other areas where multiple circuits are required. With its reliable performance, durability, and ease of use, the SQUARE QO390 circuit breaker is an essential tool for any electrical system.

* 90 ampere capacity

* Suitable for 120 volts and 240 volts

* Three-pole, six-break design

* Durable construction for heavy electrical loads

* Clear and easy-to-read label for identification

* Compatible with standard single-gang electrical boxes

* Provides reliable protection against short circuits and overloads.

The Square D QO390 circuit breaker is a 90-amp, 120/240-volt, 3-pole, 6-breaker model. This type of circuit breaker is commonly used in residential and commercial electrical systems for distributing power to various circuits. Here are some pros and cons that may help you make an informed decision before purchasing this circuit breaker.

1. High Load Capacity: With a 90-amp rating, this circuit breaker can handle a significant electrical load, making it suitable for powering large appliances and equipment.

2. Versatile Application: The 120/240-volt rating allows the circuit breaker to be used in a variety of applications, including single-phase and three-phase systems.

3. Safety Features: Square D QO circuit breakers are known for their safety features, including ground-fault protection, arc-fault protection, and overload protection, which help prevent electrical fires and other hazards.

4. Easy Installation: The QO390 circuit breaker is designed to be easy to install, with a push-in terminal system that eliminates the need for screws and nuts.

5. Durable Construction: The circuit breaker is built with high-quality materials and is designed to withstand the rigors of frequent use.

1. Higher Cost: The QO390 circuit breaker is more expensive than some other models in its class.

2. Limited Compatibility: This circuit breaker is not compatible with all wiring configurations, so it is essential to check the compatibility before purchasing.

3. Limited Space: The size of the circuit breaker may limit the number of breakers that can be installed in a standard electrical panel.

In conclusion, the Square D QO390 circuit breaker offers several advantages, including high load capacity, versatile application, safety features, easy installation, and durable construction. However, it also has some disadvantages, such as a higher cost, limited compatibility, and limited space.

If you have a significant electrical load and require a circuit breaker with advanced safety features, the QO390 may be a worthwhile investment. However, if you have limited space or a smaller electrical load, you may want to consider a less expensive model with similar specifications. Ultimately, the decision to purchase this circuit breaker depends on your specific electrical needs and budget.

Details:

Power adapters and other modifications may be necessary for proper operation in countries. They interrupt currents when overloads are detected in the circuit and can switch on both AC DC electrical systems. AIR Rating 10kA at 120/240V AC, For Use With Air Conditioning and Refrigeration Equipment, Heating, Terminal Connection Slotted Box Lug Non-Reversible Line Load, Frame Size 100A/QOU These QOU series miniature circuit breakers can be surface-, flush-, or DIN rail-mounted in panel boards load centers to free up space wherever its needed.

part #: qou390 prices

• $69.99-$126.00

specifications breakercoon:

• brand: Square D
• type: Unit Mount Miniature Circuit Breakers
• voltage: 240vac
• manufacturer part number: QOU390
• upc: 785901060321

returns breakercoon:

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

seller breakercoon:

• rating: 99.2%
• city: Lake Forest, IL
• # reviews: 108438

general breakercoon:

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

payments breakercoon:

• other
• wallet: Paypal
• credit card: Diners-club

shipping breakercoon:

• carrier: UPS
• transit: 2-6 Days
• class: Standard
• cost: $0.00
• service: UPS Ground
• type: Fixed

offer breakercoon:

• started: May 21, 2025
• options: Ship-to-home
• availability: In Stock
• sold: 0

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