QOU140 - 40A Circuit Breaker

QOU140 40A Circuit Breaker

The Schneider Electric QOU140 Miniature Circuit Breaker is a highly reliable and efficient solution for overcurrent protection and switching in both residential and commercial applications. Part of the esteemed QO series, this breaker is designed to safeguard electrical systems from short circuits and overloads. With a current rating of 40 amperes and operating at 120/240 volts AC, the QOU140 provides a robust interrupting capacity of 10 kA, ensuring superior protection for high-demand circuits. Its single-pole design and unit mount configuration make it an ideal choice for various OEM applications. The breaker features a thermal magnetic trip mechanism that combines both instantaneous and time-delayed overcurrent protection, enhancing the safety and reliability of your electrical systems. Additionally, it includes slotted box lugs for secure line and load side connections, ensuring ease of installation and dependable performance.

Key Features and Benefits:

• Reliable Overcurrent Protection: The QOU140 offers both instantaneous and time-delayed overcurrent protection, safeguarding electrical systems from short circuits and overloads.
• High Interrupt Capacity: Rated at 10 kA, this breaker can handle significant fault currents, ensuring robust protection for your electrical system.
• Versatile Application: Suitable for both AC and DC systems, making it ideal for a wide range of residential, commercial, and industrial applications.
• Durable Construction: Engineered for long-lasting performance, the QOU140 is built to withstand demanding environments.
• Ease of Installation: Features slotted box lugs for secure connections on both line and load sides, facilitating quick and straightforward installation.

Technical Specifications:

• Range: QOU Series
• Current Rating: 40 Amperes
• Voltage Rating: 120/240 V AC, 48 V DC
• Mounting Type: Unit mount
• Number of Poles: 1
• Interrupt Rating: 10 kA at 120/240 V AC
• Electrical Connection: Slotted box lugs (line side and load side)
• Wire Size: AWG 14 to AWG 2 (aluminum/copper)
• Dimensions: Height 4.05 in (102.87 mm), Width 0.75 in (19.05 mm), Depth 2.95 in (74.93 mm)
• Weight: 0.37 lb (0.168 kg)

Material Compliance and Certifications:

• Compliance: The QOU140 adheres to Schneider Electric‰۪s Green Premium‰ã¢ standards, ensuring compliance with the latest environmental regulations, including RoHS and REACh. This circuit breaker is free from toxic heavy metals, mercury, and halogens, making it an environmentally friendly choice. It is UL Listed, CSA Certified, and IEC compliant, confirming its adherence to stringent safety and quality standards.

Suitability:

• The Schneider Electric QOU140 is ideal for a wide range of applications, including residential, commercial, and industrial settings. Its high interrupt capacity, reliable overcurrent protection, and versatile mounting options make it suitable for use in load centers, panelboards, and other critical electrical distribution systems. Whether you are an electrician seeking a dependable circuit breaker or a contractor looking for a reliable solution for your projects, the QOU140 provides the performance and protection required to ensure the safety and efficiency of your electrical systems.