QPHW3050H | Circuit Breaker | 50A | 3-Pole

The QPHW3050H Industrial Circuit Breaker is a precise, rugged protection device designed for three-phase power systems. With a 50A rating and a 3-pole configuration, this breaker is built to safeguard motors, drives, and control panels in demanding industrial environments. Ideal for maintenance, retrofit, or replacement projects, it ensures your electrical framework stays protected while keeping downtime to a minimum.

Why this breaker stands out

• Exact compatibility: The part number QPHW3050H is the best reference for matching ratings and fit, helping you avoid mismatched components during upgrades or repairs.
• Three-pole protection: A 3-Pole design is essential for 3-phase systems, ensuring balanced protection across all phases and preventing phase-to-ground faults.
• 50-amp capacity: Suitable for mid-range industrial loads, including conveyor lines, machine controllers, and motor drives, while providing reliable overcurrent protection.
• Industrial-grade reliability: Built to withstand the rigors of daily industrial use, with consistent trip performance and robust construction.
• Versatile use cases: Perfect for new installations that require the exact spec, as well as retrofits and replacements where matching a legacy setup is critical.

Key details at a glance

• Amperage: 50A
• Poles: 3-Pole
• Reference: Part number QPHW3050H

Use cases and practical scenarios

• Maintenance – replace worn or aged breakers in existing panels to restore quick, reliable protection and minimize downtime.

• Retrofit – upgrade legacy systems to match current requirements without overhauling the entire distribution network.

• Replacement – ensure seamless compatibility with existing gear by confirming the exact part number and ratings before ordering.

How to ensure a correct fit

Before ordering, verify that the panel or switchgear accepts the QPHW3050H with the same amperage and pole configuration. The part number is the most reliable reference for compatibility, so cross-check it against the equipment’s documentation and your service manual. If you’re updating a three-phase distribution setup, this 50A, 3-Pole breaker can provide consistent protection across all phases when matched to your system’s ratings.

Installing and handling tips

Follow standard electrical safety practices when installing any industrial breaker. Ensure the power is isolated, use proper personal protective equipment, and torque connections to the panel manufacturer’s specifications. After installation, test the circuit to confirm proper trip response and phase protection across all three lines.

Ideal for professionals who value precise matching and reliable protection

The QPHW3050H is more than a breaker with a number—it's a purpose-built component designed to integrate smoothly into 3-phase systems where exact spec alignment matters. If your project requires a dependable 50A, 3-pole solution with a clear, reference-friendly part number, this breaker delivers the confidence and performance you need to keep equipment protected and operations running smoothly.