What is the SQUARE D QO140 circuit breaker used for?

The SQUARE D QO140 circuit breaker is utilized for overcurrent protection in residential and commercial electrical systems. It safeguards circuits from overload and short circuits, ensuring safety and stability. This specific model accommodates 120/240V-AC setups, making it ideal for various applications, such as powering large appliances or in industrial environments. By automatically interrupting the power flow when it detects an anomaly, it helps protect devices connected to the circuit.

What are the specifications of the SQUARE D QO140 circuit breaker?

The SQUARE D QO140 circuit breaker is designed for 40 amps and is a single-pole unit, making it suitable for 120/240V-AC applications. It features a compact design for easy installation in standard breaker panels. Built from durable materials, it is engineered to withstand environmental stressors, ensuring long-term performance. Its quick detection of faults promotes enhanced safety in any electrical system.

How do I install the SQUARE D QO140 circuit breaker?

Installing the SQUARE D QO140 circuit breaker involves a few steps: First, ensure the power supply is turned off. Next, open the breaker panel and identify the correct slot for your single-pole breaker. Insert the breaker firmly into the slot until it clicks into place, ensuring a solid connection. Finally, restore power and test the breaker to confirm it is functioning properly. Proper installation is crucial for optimal safety and performance in your electrical system.

Is the SQUARE D QO140 circuit breaker compatible with all electrical panels?

The SQUARE D QO140 circuit breaker is primarily compatible with Square D QO series panels. However, while it may fit in other standard breaker panels, it's critical to consult the panel's documentation for compatibility. Matching the circuit breaker with the appropriate panel ensures safety and proper functionality, making it essential to choose the right components when upgrading or replacing breakers in your electrical system.

What safety features does the SQUARE D QO140 circuit breaker offer?

The SQUARE D QO140 circuit breaker includes several safety features, such as thermal and magnetic trip mechanisms. These ensure that the breaker reacts swiftly to faults—overheating or short circuits—by cutting off the power supply. This prevents damage to connected devices and reduces the risk of electrical fires. Additionally, its design incorporates a visible trip indicator, allowing users to easily check the status of the breaker.

What applications is the SQUARE D QO140 circuit breaker suitable for?

The SQUARE D QO140 circuit breaker is versatile and suitable for applications such as residential electrical systems, commercial setups, and industrial environments. It works well for circuits powering HVAC systems, water heaters, and large appliances, ensuring they operate smoothly and safely. Its reliable performance makes it an excellent choice for various electrical needs, reinforcing the safety and efficiency of the systems it protects.

Can I reset the SQUARE D QO140 circuit breaker after it trips?

Yes, you can reset the SQUARE D QO140 circuit breaker after it trips. First, identify and rectify the cause of the trip, whether it be an overload or a short circuit. Once the issue is resolved, simply switch the breaker back to the 'ON' position. This feature allows users to restore power quickly without replacing the breaker, enhancing the operational efficiency of your electrical system. Always ensure to follow troubleshooting steps if your breaker trips frequently.

What distinguishes the QO series from other circuit breakers?

The QO series circuit breakers, including the SQUARE D QO140, are known for their innovative design and superior performance. They feature a unique plug-on design that simplifies installation and maintenance and are equipped with a trip indication mechanism. This series is recognized for its reliability and efficiency, making it a popular choice among electricians and homeowners alike. The QO series is specifically engineered to deliver excellent performance across a wide range of applications.

What is the expected lifespan of the SQUARE D QO140 circuit breaker?

The SQUARE D QO140 circuit breaker is designed for longevity and can last for many years under normal operating conditions. Regular maintenance and proper usage contribute to its durability. Factors such as environmental conditions and load requirements can influence its lifespan. When installed correctly and used within its specified ratings, users can expect this circuit breaker to provide reliable service for a significant duration, ensuring a safe electrical environment.

Where can I buy the SQUARE D QO140 circuit breaker in New Zealand?

You can purchase the SQUARE D QO140 40A 1P Molded Case Circuit Breaker from Ubuy in New Zealand. Ubuy offers a convenient shopping experience with a wide selection of electrical components, ensuring that you can find the specific circuit breaker you need along with additional options for your electrical projects. By buying from Ubuy, you can benefit from competitive prices and a user-friendly platform tailored for your shopping needs.

How to Shop SQUARE D QO140 40A 1P Molded CASE Circuit Breaker Online From Ubuy?

It’s easy to shop SQUARE D QO140 40A 1P Molded CASE Circuit Breaker online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location.

How Long Does It Take to Get Product After Placing the Order?

The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.

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Item #: 133001315

SQUARE D QO140 40A 1P Molded CASE Circuit Breaker 120/240V-AC D646174

88% of respondents would recommend this to a friend

Item #: 133001315

NZD 76

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What Stands Out

High Capacity

With a 40A capacity, this circuit breaker efficiently handles significant electrical loads, ensuring reliable operation for commercial and residential applications.

Single Pole Design

The single pole configuration simplifies installation and maintenance, making it an ideal choice for upgrading existing electrical systems with minimal disruption.

Wide Voltage Range

Operating at 120/240V AC, this breaker provides flexibility for various electrical setups, accommodating a broad range of applications with consistent performance.

Product Details

Brand Name	Square D
Part Number	D646174-QO140
Manufacturer	Square D
Item Weight	4.8 ounces (136.08 grams)
Current Rating	40 Amps
Circuit Breaker Type	Standard
Mounting Type	Plug-In Mount
Number of Poles	1
Voltage	120 Volts, 240 Volts
Brand	Square D
Number Of Poles	1

Who Should Buy?

Homeowners
Ideal for homeowners upgrading their electrical panels, ensuring safe and reliable circuit protection.
Electricians
Recommended for professional electricians needing a dependable circuit breaker for various residential and commercial projects.
DIY Enthusiasts
Great for DIY enthusiasts performing electrical upgrades or replacements in home projects while prioritizing safety.

High Load Systems
Not suitable for systems requiring circuit breakers with higher amperage ratings for large commercial or industrial applications.

Product Description

SQUARE D QO140 40A 1P Molded CASE Circuit Breaker 120/240V-AC D646174

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Question: How to Shop SQUARE D QO140 40A 1P Molded CASE Circuit Breaker Online From Ubuy?

Answer: It’s easy to shop SQUARE D QO140 40A 1P Molded CASE Circuit Breaker online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location.
Question: Is SQUARE D QO140 40A 1P Molded CASE Circuit Breaker Available to Shop Online in New Zealand?

Answer: Yes, at Ubuy New Zealand this product is available for you to shop at a reasonable price. The SQUARE D QO140 40A 1P Molded CASE Circuit Breaker is not available locally but you can trust us with our express shipping services.
Question: How Long Does It Take to Get Product After Placing the Order?

Answer: The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.

SquareD Thermal-Magnetic Circuit Breakers Editorial Review

The SQUARE D QO140 40A 1P Molded CASE Circuit Breaker 120/240V-AC D646174 is designed for reliability and safety with a current rating of 40 A. This standard plug-in mount circuit breaker offers versatile voltage compatibility at both 120 volts and 240 volts. It is crafted by Square D, a respected manufacturer in the electrical equipment domain, ensuring high-quality performance. Users appreciate its lightweight design, at just 4.8 ounces, making installation straightforward. Ideal for residential or commercial applications, this circuit breaker stands out for its efficiency in protecting electrical circuits against overloads and faults.

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Pros

High current rating of 40 A
Ideal for residential or commercial use
Lightweight at 4.8 ounces
Plug-in mount for easy installation
Ensures protection against overloads

Cons

Limited to a single pole configuration

Product Price History

Important information

Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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SQUARE D QO140 40A 1P Molded CASE Circuit Breaker 120/240V-AC D646174

NZD 76

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Free Return*

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What Stands Out

Product Details

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Product Description

Customer Questions & Answers

SquareD Thermal-Magnetic Circuit Breakers Editorial Review

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