Square D QO3015 30A 2-Pole 240 V Circuit Breaker Potential Transformer

The Square D QO3015 30A 2-Pole 240 V Circuit Breaker is a reliable safety device designed to protect 240-volt circuits in Square D QO panel systems. With a 30-amp current rating and a 2-pole configuration, it provides precise overcurrent protection for essential loads while ensuring quick, clean distribution of power throughout your electrical system.

Key specifications at a glance

• Part Number: QO3015
• Current rating: 30 A
• Poles: 2
• Voltage rating: 240 V
• Series: Square D QO

Why this 30A, 2-Pole breaker matters

When you’re wiring 240-volt circuits, you need dependable protection that trips quickly to prevent overheating and damage. The QO3015 is purpose-built to handle dual-pole loads, ensuring both legs of a 240V circuit are monitored and disconnected together in the event of an overcurrent. This cohesive trip behavior reduces risk to wiring insulation, outlets, and connected appliances, while simplifying panel layout and replacement in standard QO panels.

Ideal use cases

• Protect 240V branch circuits in residential or light commercial electrical panels.
• Suitable for loads such as air conditioning units, electric water heaters, and other 240V appliances that require reliable, dual-pole protection.
• Useful as a direct replacement or upgrade within Square D QO series installations, helping maintain consistent protection and panel compatibility.

Compatibility & installation mindset

Designed for Square D QO panels, the QO3015 slot is intended to integrate smoothly with existing QO-style breakers and enclosure layouts. Before installation, verify panel compatibility and ensure the circuit breaker is properly seated and secured to maintain a solid, safe connection. If in doubt, consult a qualified electrician to confirm suitability for your specific panel model and wiring configuration.

Practical tips for best results

• Match the 30 A rating to the electrical load of the circuit to prevent nuisance trips while protecting conductors.
• Use in 240V circuits that require simultaneous disconnection of both poles for safety and code compliance.
• Keep the breaker environment clean and dry, and follow standard lockout/tagout procedures during installation or replacement.

For consistent performance in Square D installations, the QO3015 30A 2-Pole 240 V Circuit Breaker delivers straightforward protection, dependable operation, and seamless compatibility within the QO family. Use it to safeguard your 240V infrastructure with clarity and confidence.