The Schneider Electric Square D QOB3801042 Miniature Circuit Breaker is a 3-pole thermal-magnetic breaker designed for reliable overcurrent protection in electrical distribution systems. This breaker is part of the QOB series, a widely recognized line for its robust construction and dependable performance in demanding industrial environments. It is engineered to safeguard circuits from both sustained overloads and short-circuit events.

Technical details

• Series: QOB
• Poles: 3
• Amperage Rating: 80 Amps
• Voltage Rating: 240 Volts AC
• Interrupting Capacity (AIC): 10 kilo-amps (10kA) at 240V AC
• Trip Type: Thermal-Magnetic
• Mounting Type: Plug-in (for compatible load centers and panelboards)
• Terminal Type: Lug terminals

Applications & compatibility

This 80A, 3-pole circuit breaker is commonly utilized in commercial and industrial electrical panels, motor control centers, and sub-distribution boards. It is suitable for protecting circuits supplying motors, transformers, and other inductive loads where a higher amperage rating and robust short-circuit protection are required. Ensure compatibility with your specific panelboard or load center by verifying mounting and terminal requirements.

Available from Industrial Automation Co as new, refurbished, or surplus stock, backed by a 2-year warranty with same-day shipping on in-stock items. Request a quote for the QOB3801042 or contact our technical team for cross-reference assistance with compatible Square D QOB components.