Square D QOUQ230B Circuit Breaker, 30A, 2-Pole, 120V

Meet the Square D QOUQ230B Circuit Breaker — a purpose-built protection device for industrial electrical service, maintenance, and replacement projects. With a 30 A rating, 2-pole configuration, and 120 V operation, this breaker safeguards critical circuits while integrating seamlessly with Square D panels and enclosures. Use the part number QOUQ230B to confirm compatibility with your application and system requirements.

Key reasons to choose the QOUQ230B

• Part-number precise compatibility: Verify fit by the exact part number and your specific application requirements to ensure reliable protection and proper function.
• Two-pole protection: Designed to protect two hot conductors, ideal for multi-wire branch circuits or shared-load applications common in industrial setups.
• Industrial-grade reliability: Built for service, maintenance, and replacement projects where dependable circuit protection matters most.
• Clear electrical specifications: 30 A, 120 V, giving you a precise match for mid-range industrial loads while maintaining compatibility with compatible systems.
• Brand alignment: Part of Square D’s trusted protection lineup, offering consistent performance within established electrical infrastructure.
• Support when you need it: Need help matching a part number or confirming compatibility? Message us and we’ll help you verify fit for your exact application.

Ideal use cases

• Industrial electrical service upgrades where a reliable 30 A, 2-pole breaker is required.
• Maintenance or replacement of aging protection devices in manufacturing, processing, or packaging lines.
• Panel replacements or upgrades that necessitate a verified QOUQ230B part number match.

Practical guidance

• Always confirm fit by the exact part number (QOUQ230B) and assess your voltage and current requirements before installation.
• Consult with a licensed electrician to ensure proper installation, wiring integrity, and compliance with local electrical codes.