ITE QP3B040 Circuit Breaker, 40A, 3-Pole, 240V

Meet the ITE QP3B040 Circuit Breaker — a purpose-built protection device designed for demanding industrial electrical service, maintenance, and replacement projects. This 40A, 3-pole breaker is engineered to guard 3-phase circuits at 240V, helping keep motors, conveyors, pumps, and other critical equipment running smoothly while minimizing risk from overloads and faults.

Key specifications at a glance

• Amperage: 40 A
• Poles: 3
• Voltage: 240 V
• Manufacturer: ITE
• Part Number: QP3B040
• Product Type: Circuit Breaker

Why this 40A, 3-Pole 240V breaker stands out

Designed for industrial environments, the QP3B040 provides reliable protection for three-phase distribution networks. Its 40A rating is ideal for mid-range motor loads, processing lines, and equipment that require solid overcurrent protection without frequent nuisance trips. The three-pole configuration ensures balanced protection across all three phases, which is essential for maintaining voltage stability in 3-phase systems.

Practical use cases

• Spare or replacement breaker for industrial control panels that service 3-phase equipment operating at 240V.
• Upgrading or maintaining 3-phase feeder circuits in manufacturing lines, bagging systems, or packaging equipment.
• Maintenance practice where quick, compatible part replacements minimize downtime on production floors.

Compatibility and fit keep-it-simple guide

To ensure a precise, trouble-free fit, verify the part number and application requirements match your panel and circuit needs. Specifically, confirm the QP3B040 is appropriate for your 3-pole, 240V, 40A protection scenario and that your enclosure accepts the ITE QP-series style breakers. If you need help confirming compatibility or matching the correct part number to your panel, message us and we’ll assist you in verifying a correct fit for your exact setup.

How this compares and why it works for you

When your goal is dependable, straightforward protection for 3-phase equipment at 240V, the ITE QP3B040 delivers a focused, hardware-defined solution. It’s purpose-built for industrial panels that rely on standardized QP-series breakers, offering consistent trip characteristics and predictable performance across maintenance cycles and replacements. This isn’t a generic fit—it’s a precise, spec-aligned part designed to minimize downtime and keep critical processes online.

Ready to secure your 3-phase circuits with a trusted 40A, 3-pole 240V breaker? The ITE QP3B040 is ready to ship, and we’re here to help confirm compatibility with your exact panel configuration.