Square D QOB240VH1021 40A 2-Pole 240 V Circuit Breaker

Introducing the Square D QOB240VH1021, a precise 40A, 2-pole, 240 V circuit breaker designed to protect your electrical system where high-draw 240-volt loads are present. With the exact part number QOB240VH1021, this breaker is a straightforward, reliable replacement for compatible Square D setups, ensuring you get the right fit the first time.

• Part Number: QOB240VH1021
• Current Rating: 40 A
• Poles: 2
• Voltage Rating: 240 V
• Brand: Square D

Why this matters in real use: a 2-pole, 240V circuit breaker protects both hot legs of a 240V circuit, ensuring that when an overload or fault occurs, the entire circuit is safely interrupted. This reduces the risk of wiring overheating and damage to connected appliances or equipment. The 40 A rating is tailored for substantial 240V loads, making it a solid choice for dedicated circuits that require reliable protection without nuisance trips.

• Targeted protection for 240V circuits—keeps high-draw appliances and equipment safeguarded under fault conditions.
• Exact compatibility—the QOB240VH1021 designation helps you match the precise replacement for your Square D installation.
• Practical for maintenance and upgrades—a dependable option when stocking parts for residential or light commercial panels that specify this configuration.

Use cases include safeguarding dedicated 240V loads such as large appliances or equipment that require stable, simultaneous disconnection of both hot lines. If you’re replacing an aging breaker or outfitting a Square D system that calls for a 40A, 2-pole, 240 V solution, the QOB240VH1021 delivers clear performance and dependable protection.