HQNB3020 | Circuit Breaker | 20A | 3-Pole | 240V

Meet HQNB3020, a purpose-built industrial circuit breaker engineered for reliability in maintenance, retrofit, and replacement tasks. With a 20A rating, a 3-pole configuration, and 240V operation, this unit delivers dependable overcurrent protection for 3-phase systems while keeping downtime to a minimum.

Why choose HQNB3020 for your panel?

• Exact compatibility with a trusted reference: The part number HQNB3020 is the best guide for matching your existing panel or distribution setup. Always confirm fit and ratings before ordering to avoid surprises on site.
• Balanced three-pole protection: Three-pole design protects all phases in a 3-phase circuit, helping maintain voltage balance and safeguarding connected equipment from phase-related faults.
• Industrial-grade resilience: Built to endure demanding environments typical of maintenance and retrofit projects, delivering stable performance when it matters most.
• Suitable for 240V circuits: Specifically rated for 240V systems, ensuring appropriate protection for your current electrical infrastructure.
• Precise 20A overcurrent protection: The 20A rating provides targeted protection for wiring and devices downstream, reducing the risk of damage from overloads.

Ideal use cases

• Maintenance: Swap in HQNB3020 to restore protected circuits quickly after a trip or wear-related failure.
• Retrofit: Upgrade older panels with a compatible 3-pole 240V breaker to improve safety margins without overhauling the entire system.
• Replacement: When a breaker in a 3-phase 240V setup requires replacement, HQNB3020 offers a reliable, spec-aligned option—provided the fit matches your panel’s requirements.

Practical deployment tips

• Double-check that your panel’s catalog and the breaker's rating align with HQNB3020 before installation.
• Power off the main supply, follow proper lockout/tagout procedures, and wear appropriate PPE during replacement.
• Document the replacement with the HQNB3020 part number for streamlined future maintenance and reorder workflows.

Key specifications at a glance

• Amperage: 20A
• Poles: 3-Pole
• Voltage: 240V
• Part number: HQNB3020

This HQNB3020 circuit breaker is designed to deliver reliable protection in environments where precise specs matter. By ensuring the exact amperage, pole count, and voltage, you reduce the risk of nuisance trips and protect downstream equipment, contributing to safer operations and steadier uptime in your electrical distribution system.