Square D QO220H 20A 2-Pole 240 V Circuit Breaker Potential Transformer

Meet the Square D QO220H 20A 2-Pole 240 V Circuit Breaker Potential Transformer — a trusted protection device designed to safeguard 240-volt circuits with decisive, reliable performance. Identified by Part Number QO220H, this breaker is built to fit the Square D QO family, delivering dependable overload and short-circuit protection when two poles are energized at 240 volts.

• Current rating: 20 A
• Poles: 2
• Voltage rating: 240 V
• Part Number: QO220H
• Brand/Series: Square D QO family

Designed for residential and light commercial use, the QO220H protects 240V circuits powering appliances, tools, and equipment that demand reliable two-pole protection. Its 20-amp rating makes it a precise choice for circuits where controlled current and fast interruption matter, helping to prevent overheating, damage to wiring, and fire hazards.

Why this matters for your electrical system

• Accurate protection for 240V circuits ensures safe operation of dual-voltage loads without compromising on power availability.
• Part of the trusted Square D QO lineup, offering compatibility with compatible panels and existing electrical layouts.
• Simple replacement option that aligns with standard 2-pole, 240V circuit configurations, helping maintain code-compliant installations.

Ideal for

• Homeowners upgrading or maintaining 240V circuits in a residential setting.
• Electricians seeking a reliable 20A, 2-pole solution for two-wire 240V loads.
• Facilities managers coordinating panel upgrades or replacements within existing Square D QO ecosystems.

Practical notes: Ensure compatibility with your panel and circuit arrangement by using the exact part number QO220H. As with all high-voltage work, follow local codes and safety guidelines, and turn off main power before servicing electrical panels.