Westinghouse HQNB3020 - 20A, 240VAC, 3-Pole, Circuit Breaker

Westinghouse HQNB3020 is a rugged 20A, 240VAC three-pole circuit breaker designed to deliver reliable overcurrent protection in panelboards, switchboards, and control panels.

Its 3-pole configuration ensures all three phases trip together, providing balanced protection for three‑phase systems and helping prevent motor damage and nuisance trips on uneven loads. This makes the HQNB3020 a dependable choice for complex electrical sets where coordinated disconnection is critical.

Key specifications at a glance

• Current rating: 20A
• Voltage rating: 240VAC
• Poles: 3-Pole
• Breaker type: Circuit Breaker

Why this 3-pole breaker stands out

Ideal for industrial, commercial, and OEM applications where dependable overcurrent protection and safe operation in distribution panels and motor control centers are critical. The HQNB3020 delivers consistent performance across three-phase applications, reducing downtime and helping keep electrical systems running smoothly.

Practical use cases

• Three-phase motor protection in manufacturing lines and conveyors.
• Feeder protection in commercial panelboards and switchgear.
• Robust 20A, 240V protection for OEM equipment enclosures requiring reliable circuit protection.

Whether upgrading legacy panels or stocking spare parts for critical equipment, the HQNB3020 provides a proven, straightforward option that aligns with Westinghouse’s approach to dependable power distribution.