Square D QOB120-1044 20A 1-Pole 240 V Circuit Breaker

Square D QOB120-1044 is a 20A, 1-Pole, 240V circuit breaker engineered to protect your electrical circuit from overloads and faults. This Square D device, identified by part number QOB120-1044, delivers dependable overcurrent protection for a broad range of 240V applications.

• Current rating: 20 A
• Poles: 1
• Voltage rating: 240 V
• Part number: QOB120-1044

Key benefits and use cases:

• Provides reliable overcurrent protection for 240V branch circuits, helping to prevent wiring damage, overheating, and potential electrical fires.
• Compact, durable design that integrates with Square D panels designed for 1-Pole, 240V protection devices, simplifying replacement or panel upgrades.
• Consistent trip performance supports predictable safety behavior across a variety of loads, from appliances to motors and space-heating circuits.
• Ideal for dedicated 240V loads in residential or light commercial settings where a single-pole 240V protective device is appropriate.

Installation and safety tips:

• Ensure the panel is de-energized before installation or replacement; follow all local electrical codes and safety practices.
• Verify panel compatibility for 1-Pole, 240V breakers before purchasing or swapping units.
• Connect the load conductors securely to the breaker terminals and place the unit firmly into the panel bus for proper seating.

Why choose Square D for 240V protection?

• Renowned for reliable electrical protection products, delivering trusted performance when protecting critical circuits.
• Clear labeling and consistent trip characteristics help electricians and homeowners understand how the breaker will behave under fault conditions, contributing to safer, more predictable electrical systems.