Eaton CL120 - 20 A, 240 V Plug-In Circuit Breaker | AmpState

The Eaton CL120 is a dependable, plug-in molded case circuit breaker designed to safeguard your electrical system with precision and ease. At 20 amps and 240 volts, this breaker delivers reliable branch circuit protection for a variety of panelboards and loadcenters, making it a smart choice for residential, commercial, and light industrial applications.

Key benefits that matter in real-world use

• Fast plug-in connection: Simplifies installation and replacements, reducing service time and downtime during panel maintenance.
• Thermal-magnetic trip unit: Delivers stable, repeatable protection by responding to both overcurrent and short-circuit conditions, while minimizing nuisance trips across temperature changes and load variations.
• OEM compatibility: Engineered to pair with matching Eaton OEM load centers and panelboards, ensuring a secure fit and dependable performance without aftermarket guesswork.
• Versatile for multiple environments: Suitable for residential panels, small commercial setups, and light industrial circuits where reliable protection is essential.

What makes the CL120 stand out

• Specific protection you can trust: 20A, 240V ratings are ideal for common branch circuits such as lighting or general-purpose receptacles in homes and small business spaces.
• Plug-in convenience: Designed for quick, tool-free insertion into compatible panelboards, which helps accelerate upgrades, expansions, or replacements.
• Durable, field-tested design: Molded case construction provides robust insulation and reliable trip performance across the operating life of the panel.

Ideal use cases

Upgrade a legacy panel or perform targeted branch-circuit protection in a new installation. The CL120 is well-suited for circuits that require clear, predictable trip behavior and a straightforward plug-in footprint. It’s especially practical when upgrading to a higher-safety standard in homes, small offices, or light manufacturing spaces where space on the bus is at a premium and quick replacements minimize downtime.

Technical snapshot

• Manufacturer: Eaton
• Part number: CL120
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 20 A
• Voltage rating: 240 V
• Mounting style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Installation tips and best practices

Ensure you’re installing the CL120 into a panelboard that is designed for plug-in molded case breakers and compatible with Eaton’s line. Always verify the panel’s rating and the existing bus compatibility before replacement. For new installs, plan circuits with the CL120 in mind where a 20 A branch is appropriate, such as lighting runs, receptacle circuits, or small equipment feeds. Regularly inspect the breaker during service visits for signs of wear, and replace promptly if trips become irregular or the unit shows physical damage.

With the Eaton CL120, you gain a reliable, easy-to-install protection solution that aligns with standard electrical panels while delivering precise, predictable performance under everyday loads. It’s a practical choice for electricians and informed homeowners who prioritize safety, installation efficiency, and long-term reliability.