SQUARE D QOB380 Circuit Breaker Cat 3P 80A L-37D

( Brand: Square D ), ( Maximum Amperage: 80 A ), ( Manufacturer Part Number: QOB380 ), ( Country Of Origin: United States )

Review SQUARE D Squareqob380 Circuit Breaker 3p 80a Cat#.

The SQD-QOB380 circuit breaker is a three-pole, 80-ampere (3P-80A) device, adhering to the industry standard Class L-37D, specifically designed for commercial and industrial applications. This breaker boasts a square design with dimensions of approximately 13.6 inches in length, 7 inches in width, and 5 inches in height, making it suitable for standard breaker panels.

The SQD-QOB380 breaker is equipped with a continuous current rating of 80 amperes, allowing it to handle substantial electrical loads. It is designed to automatically trip and disconnect the circuit when the current flow exceeds the rated capacity, ensuring electrical safety and preventing potential damage or fire hazards.

This circuit breaker features a Class L-37D rating, which indicates its ability to withstand frequent short-circuit currents, making it particularly suitable for industrial applications. Its three poles enable it to control the flow of power to three separate circuits, providing greater flexibility and control over electrical systems.

The SQD-QOB380 breaker is manufactured with high-quality materials and advanced engineering techniques, ensuring its durability and reliability. It has a robust construction, with a high-impact cover and a corrosion-resistant body that protects it from environmental hazards. The breaker also features a clear trip indicator, making it easy to identify when it has tripped and needs to be reset.

The installation of the SQD-QOB380 breaker is straightforward and can be done with minimal disruption to existing electrical systems. It is designed to fit standard breaker panels and can be easily wired to the corresponding bus bars. The breaker also comes with mounting clips for secure attachment to the breaker panel.

In summary, the SQD-QOB380 circuit breaker is a versatile and robust electrical component, ideal for commercial and industrial applications. Its three-pole, 80-ampere design provides superior control over electrical systems, while its Class L-37D rating ensures its ability to handle frequent short-circuit currents. Its high-quality construction and clear trip indicator make it a reliable and user-friendly choice for electrical professionals and DIY enthusiasts alike.

The Square D QOB380 circuit breaker is a 3-pole, 80-amp breaker that falls under the Category L-37D, which is specifically designed for use in commercial and industrial applications. Here are some potential pros and cons of buying this circuit breaker:

1. High Current Capacity: With an amperage rating of 80 amps, this circuit breaker can handle a significant electrical load, making it suitable for industrial and commercial applications that require heavy electrical usage.

2. Safety: The Square D QOB380 circuit breaker comes with various safety features, such as trip units that automatically disconnect the power when the current exceeds safe limits. This helps prevent electrical overloads and potential fires.

3. Durability: Square D is known for manufacturing high-quality electrical components, and the QOB380 circuit breaker is no exception. It is built to withstand heavy usage and harsh environments, making it a reliable choice for industrial applications.

4. Easy Installation: The circuit breaker has a single-line mounting design, which makes it easy to install in electrical panels. It also comes with clear instructions and easy-to-understand markings, making the installation process simpler.

1. Cost: The Square D QOB380 circuit breaker is more expensive than some other circuit breakers on the market. This higher cost may be a deterrent for some buyers, especially for smaller commercial or residential applications.

2. Size: Due to its high current capacity and industrial design, the Square D QOB380 circuit breaker is larger and heavier than some other circuit breakers. This may require additional space and support in electrical panels.

3. Complexity: While the circuit breaker is designed to be easy to install, its industrial application may require more expertise and knowledge compared to residential or smaller commercial applications.

The Square D QOB380 circuit breaker is an excellent choice for industrial and commercial applications that require high electrical loads and reliable safety features. Its durability, easy installation, and safety features make it a worthwhile investment for businesses and organizations that require heavy electrical usage. However, its higher cost, size, and complexity may make it less suitable for smaller commercial or residential applications.

If you are looking for a circuit breaker for heavy industrial or commercial applications, the Square D QOB380 circuit breaker is an excellent choice due to its high amperage capacity, safety features, and durability. However, if you are looking for a circuit breaker for smaller commercial or residential applications, you may want to consider a less expensive and smaller circuit breaker with lower amperage capacity.

Details:

SQUARECIRCUIT BREAKER, CAT# QOB380 3 POLE, 80 AMP, 240 VAC SEE ALL PHOTOS FOR MORE DETAILS QUESTIONS, NEXT DAY AIR SHIPPING OR SPECIAL.

part #: qob380 prices

• $90.00-$199.00

specifications breakercoon:

• brand: Square D
• maximum amperage: 80 A
• manufacturer part number: QOB380
• country of origin: United States

shipping breakercoon:

• type: Calculated
• carrier: USPS, UPS, FedEx
• class: Standard, Economy, Expedited
• service: USPS Ground Advantage, UPS Ground Saver, FedEx Ground Economy, USPS Priority Mail
• transit: 4-10 Days
• cost: $16.45

payments breakercoon:

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

offer breakercoon:

• options: Ship-to-home
• started: May 5, 2026
• sold: 0
• availability: In Stock
• quantity: 1

general breakercoon:

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

returns breakercoon:

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

seller breakercoon:

• rating: 100.0%
• city: Norfolk, Virginia
• # reviews: 20878

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