Westinghouse HQNPA3100 Circuit Breaker, 100A, 3-Pole, 240V

Westinghouse HQNPA3100 Circuit Breaker—100 A, 3-Pole, 240 V—delivers targeted overcurrent protection for industrial electrical service, maintenance, and replacement projects. With its three-pole design, it is built to support three-phase systems common in manufacturing, data centers, and heavy equipment installations, helping keep critical operations up and running.

Why choose HQNPA3100 for your protection needs

• Precise system protection: 100 A rating provides robust branch protection for 3-phase circuits, reducing the risk of damage from overloads and faults.
• Three-pole design: engineered specifically for 3-phase power, ensuring coordinated protection across all phases of your system.
• Standard 240 V operation: compatible with common industrial distribution configurations, simplifying integration and replacement.
• Clear compatibility verification: verify fit by the part number HQNPA3100 against your application requirements.
• Ideal for maintenance and replacement workflows: streamlined to slot into existing panels during service windows or panel upgrades, minimizing downtime.

Specifications at a glance

• Part Number: HQNPA3100
• Amperage: 100 A
• Poles: 3
• Voltage: 240 V

This HQNPA3100 is a practical choice for electrical contractors, facility managers, and maintenance technicians who need reliable, readily identifiable parts for industrial protection. It’s designed for integration into standard industrial panels that require a 3-pole, 100 A, 240 V circuit breaker, making it a dependable component in planned maintenance, panel upgrades, or emergency replacements.

If you’re unsure about compatibility or need help confirming the match between your equipment and this part number, send a message—we’ll assist with part-number verification and app-specific fit to ensure a proper match for your system.