Square D BJL16040 40A 1-Pole 240 V Circuit Breaker

Meet the Square D BJL16040—an authentic Square D circuit breaker engineered for dependable overcurrent protection on 240-volt circuits. With a 40 A rating and a single-pole design, this part is built to fit compatible Square D panels and deliver consistent performance when you need to safeguard high-demand electrical runs.

• 40 amp protection precisely guards circuits that draw significant current, helping prevent overheating and electrical faults in 240 V applications.
• 1-Pole, 240 V configuration designed for dedicated branch circuits in compatible panels where a single, robust switching element is appropriate for the load profile.
• Genuine Square D quality part number BJL16040 ensures proper fit, reliable operation, and seamless compatibility with other Square D components in your electrical system.
• Clear compatibility ideal for residential or light commercial panels that require a 40 A, 240 V breaker from the Square D family, reducing guesswork during replacement or upgrades.

This breaker is well-suited for protecting 240 V loads that demand solid, predictable interruption—think large appliances, workshop machinery, or dedicated 240 V power circuits in renovation projects. By choosing a genuine Square D component, you’re aligning with a trusted lineage of electrical protection that installers and property owners rely on for long-term reliability.

Usage notes and practical considerations

• Ensure the breaker is used in a compatible Square D panel where a 1-pole, 240 V device meets the design intent of the circuit.
• Verify that the surrounding wiring and conductors are sized appropriately for a 40 A circuit and that installation follows local electrical codes.
• When replacing, power down the panel, confirm correct alignment with bus bars, and securely torque terminals per manufacturer guidelines.

If you’re updating an older panel or stocking spare parts for future maintenance, the Square D BJL16040 40A 1-Pole 240 V Circuit Breaker offers a precise, trustworthy solution that aligns with your existing Square D ecosystem. Add this genuine component to your order to ensure compatibility, performance, and peace of mind in your electrical setup.