Square D QBL32150 - 150 A, 240 V, 3-Pole Circuit Breaker | AmpState

Protect essential electrical circuits with precision using the Square D QBL32150. This 150 A, 240 V, 3-pole molded case circuit breaker is engineered for dependable branch-circuit overcurrent and short-circuit protection in panelboards and load centers. Built to fit seamlessly into existing Square D installations, it’s a trusted choice for safer, more reliable power distribution in a range of settings.

• Compact molded case design frees valuable panel space while delivering robust protection, making it ideal for modern, space-constrained electrical enclosures.
• Thermal-magnetic trip unit provides stable, repeatable protection performance across varying temperatures and fault conditions, reducing nuisance trips and enhancing system reliability.
• 3-pole configuration ensures simultaneous interruption of all three phases, improving safety and protection coordination in multi-phase circuits.
• OEM-compatible integration works with matching Square D load centers and panelboards for straightforward replacement, upgrades, or new installations.
• Versatile applications suitable for residential, commercial, and light industrial environments where reliable branch-circuit protection is required.

Technical snapshot

• Manufacturer: Square D
• Part number: QBL32150
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 150 A
• Voltage rating: 240 V
• Number of poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

In practice, the QBL32150 helps protect wiring, devices, and occupants by promptly disconnecting circuits when overcurrent or short-circuit conditions occur. Its durable construction and compatibility with Square D panel systems make it an effective, long-term component for electrical infrastructure upgrades, panel modernization, or new-install projects. Whether you're upgrading a residential panelboard or provisioning a light commercial distribution, this 3-pole 150 A breaker delivers reliable performance and straightforward installation.