Westinghouse HQNBA3070 Circuit Breaker, 70A, 3-Pole, 240V

Engineered for demanding industrial environments, the Westinghouse HQNBA3070 circuit breaker delivers dependable overcurrent protection for three-phase systems. With a 70-amp rating, a 3-pole design, and a nominal 240-volt operating range, this unit is built to support service, maintenance, and replacement projects in industrial panels where reliability matters most.

Key specifications

• Amperage: 70 A
• Poles: 3
• Voltage: 240V
• Manufacturer: Westinghouse
• Part Number: HQNBA3070
• Product Type: Circuit Breaker
• Applications: industrial electrical service, maintenance, and replacement projects

Why this design matters in the real world:

• Three-phase protection: The 3-pole configuration provides coordinated protection across all three phases, helping safeguard motors, conveyors, and other multi-line equipment in 240V systems.
• Clear compatibility path: Use the HQNBA3070 part number to confirm fit with your panel and application requirements, reducing guesswork during replacements or upgrades.
• Industrial-ready reliability: Westinghouse is a long-standing name in electrical protection, offering consistent performance in service, maintenance, and equipment replacement scenarios.

How to verify compatibility

To ensure a perfect match, verify the part number (HQNBA3070) against your panel’s requirements and the specific application—three-phase, 240V operation, and 70 A rating. If you’re unsure about fit or compatibility, reach out with your project details and we’ll assist in confirming the right part for your installation.

Ideal use cases

• Upgrading or replacing protective devices in three-phase industrial panels
• Servicing manufacturing lines, pumps, and automated equipment that run on 240V
• Stocking a dependable, standardized part for maintenance inventories to reduce downtime

Stocked for reliability, the HQNBA3070 provides essential protection where it counts—keeping electrical systems safeguarded and operations moving smoothly. Remember to verify fit by part number and application requirements, and if you need help confirming compatibility, send us a message and we’ll assist you in securing the right circuit breaker for your installation.