Square D CHOM120EPD - 120 V, 1-Pole Plug-In Circuit Breaker | AmpState

The Square D CHOM120EPD is a 120 V, 1-pole plug-in molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built for quick, secure connections and reliable protection, it’s a smart, long-term solution for safeguarding electrical systems in a range of environments.

Why the CHOM120EPD stands out

• Fast plug-in connection — enables quick installation and effortless replacement, minimizing downtime during panel maintenance or upgrades.
• Thermal-magnetic trip unit — combines thermal overload protection with magnetic short-circuit protection for stable, repeatable performance when it matters most.
• OEM-compatible design — engineered to work with matching Square D load centers and panelboards, ensuring a seamless fit and reliable operation.
• Versatile application — suitable for residential, commercial, and light industrial panel configurations, making it a flexible choice across sites.

What problems does it solve?

Wiring and electrical systems face overcurrent and short-circuit events that can damage equipment or create safety hazards. The CHOM120EPD provides immediate, predictable interruption of faulty circuits, helping prevent wiring insulation damage, nuisance trips from minor surges, and downstream equipment risk. Its plug-in design reduces service interruptions, while the thermal-magnetic trip ensures protection is precise and dependable under varying load conditions.

Ideal use cases

• New panel installations in single-phase 120 V systems for homes and small offices
• Panelboard retrofits and replacements where a fast, compatible plug-in breaker is needed
• Controlled protection for lighting and receptacle branch circuits in light commercial or industrial spaces

Technical profile at a glance

The CHOM120EPD is a single-pole, 120-volt, plug-in molded case circuit breaker from Square D, built to interrupt faulty current swiftly and restore safe operation after a fault. Its compatibility with OEM load centers and panelboards ensures straightforward stock compatibility and maintenance planning, reducing the risk of mismatched components in critical electrical infrastructure.

Practical tips for optimum performance

• Pair this breaker with corresponding Square D panelboard models to guarantee guaranteed fit and protection characteristics.
• Use in circuits where quick replacement and minimal downtime are priorities, such as service panels or equipment rooms that require fast maintenance turns.
• Regularly inspect panel connections during routine electrical servicing to maintain reliable plug-in performance and secure contact integrity.