The Schneider Electric Square D QOB31005273 Miniature Circuit Breaker provides essential overcurrent protection for electrical distribution systems. As part of the QOB series, this 3-pole breaker is engineered for reliable performance in demanding industrial environments. Its robust design ensures consistent operation and safeguards connected equipment from electrical faults.

Technical details

• Series: Square D QOB
• Poles: 3
• Voltage Rating: 240V AC
• Current Rating: 100A
• Interrupting Rating: 10kA at 240V AC (typical for this series, verify with datasheet)
• Terminal Type: Screw clamp (typical for this series, verify with datasheet)
• Mounting Type: Plug-in (typical for QOB series, verify with datasheet)
• Trip Unit Type: Thermal-magnetic (typical for QOB series, verify with datasheet)
• Wire Size Compatibility: Verify with manufacturer datasheet for specific AWG/kcmil ranges

Applications & compatibility

This 100A, 3-pole circuit breaker is commonly utilized in panelboards and switchgear for branch circuit protection in commercial and industrial facilities. It is suitable for applications requiring protection of motor loads, lighting circuits, and general power distribution where a 240V system is employed.

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 QOB31005273 or contact our technical team for cross-reference assistance with compatible Square D QOB components.