Industrial QBHAF1020 20A 1-Pole 240 V Circuit Breaker

Industrial QBHAF1020 20A 1-Pole 240 V Circuit Breaker is engineered for dependable overcurrent protection in demanding industrial panels. With a 20 A rating and a single-pole design, it safeguards a single-phase 240 V circuit, quickly interrupting fault currents to protect wiring and connected equipment in harsh environments.

Designed for real-world industrial use, this breaker fits standard 1-pole slots in compatible electrical panels, making it a straightforward replacement or upgrade for aging or undersized protection devices. Its compact form factor helps maximize panel space without compromising reliability, so you can protect critical loads—such as motors, conveyors, programmable logic controllers, control circuits, and lighting runs—without crowding your enclosure.

• Current rating: 20 A
• Poles: 1 (single-pole)
• Voltage rating: 240 V
• Part number: QBHAF1020
• Application: ideal for protecting a single-phase 240 V circuit in industrial panels and equipment feeders

Typical use cases include safeguarding motor feeds, control circuits for machinery, HVAC distribution in factory settings, and lighting or power distribution branches within industrial environments. If your installation requires reliable 20 A protection for a 240 V line, this breaker provides a precise, predictable response to overcurrent conditions, helping to prevent damage and downtime.

Why choose this 20 A, 1-Pole 240 V breaker? It delivers targeted protection where it matters—single-phase loads on 240 V circuits—without the footprint of larger multi-pole devices. For multi-wire branch circuits, pair with the appropriate complementary breakers; for single-load circuits, this 20 A unit offers the right balance of protection and space efficiency.

Tips for installation and long-term performance: verify compatibility with your panel’s mounting format and bus connection, ensure secure termination of conductors to prevent arcing, and follow all local electrical codes during replacement or installation. Regular inspection of terminal integrity and serviceability will help maintain consistent overcurrent protection and minimize nuisance tripping.