Eaton | QNBL2020 | Circuit Breaker | 20A | 2-Pole | 240V | Bolt-On

Meet the Eaton QNBL2020 circuit breaker — a precise, bolt-on protective device built for reliability in maintenance, retrofit, and replacement projects where exact specifications matter. This 20A, 2-pole breaker handles 240V circuits with a secure bolt-on mounting for a dependable, long-lasting installation.

Key specifications

• Amperage: 20A
• Poles: 2-Pole
• Voltage: 240V
• Mounting style: Bolt-On
• Part number: QNBL2020

Why this breaker stands out

• Secure bolt-on design: Provides a robust connection that helps prevent loose-terminal issues common with other mounting styles, enhancing reliability in demanding electrical environments.
• Exact compatibility reference: The part number QNBL2020 is the most reliable guide for fitment in compatible panels and distribution setups.
• Targeted for retrofit and replacements: Ideal when maintaining or upgrading panels that require a bolt-on 2-pole, 240V protection device with a 20A rating.

Ideal use scenarios

• Maintenance and service upgrades in commercial or industrial panels that specify bolt-on breakers.
• Retrofit projects where 240V, 20A protection is required for existing equipment circuits.
• Replacement of aging or failing breakers in systems designed for two-pole 240V protection.

How it fits into your system

This breaker is designed for panels and bus configurations that accommodate bolt-on mounting. It delivers precise, predictable trip performance for 20A circuits at 240V, helping protect equipment and improve overall electrical safety in your installations.

Installation and compatibility tips

• Always confirm fit and ratings before ordering—use the part number QNBL2020 as the primary reference for compatibility.
• Shut off power and follow your panel’s safe-handling guidelines before installation.
• Ensure the panel accepts bolt-on breakers of the 2-pole, 240V, 20A specification to avoid late-stage incompatibilities.

Choose the Eaton QNBL2020 for a dependable, spec-matching solution when your project demands a bolt-on, 2-pole, 240V circuit breaker with a 20A rating. It’s built to support maintenance efficiency, retrofit flexibility, and reliable protection for your electrical system.