Federal Pioneer NA40 - 40 A, 120 V, 1-Pole Plug-In Circuit Breaker | AmpState

Meet the Federal Pioneer NA40—a 40A, 120V, 1-pole plug-in molded case circuit breaker designed for dependable branch-circuit overcurrent and short-circuit protection in panelboards and loadcenters. Its fast plug-in connection means quicker installs and easier replacements, helping you keep critical circuits safeguarded with minimal downtime.

What sets the NA40 apart

• Rapid plug-in installation and straightforward replacement, reducing service interruptions during panel upgrades or maintenance.
• Thermal-magnetic trip unit delivers stable, repeatable protection by responding predictably to both overloads and short circuits.
• OEM-compatible design ensures it fits matching load centers and panelboards for reliable, installer-friendly performance.
• Versatile application suitable for residential, commercial, and light industrial environments where dependable branch-circuit protection matters.

Ideal use scenarios

• Replacing a failed breaker in Federal Pioneer or compatible OEM panels to restore protected circuits quickly.
• Single-pole protection for individual branch circuits in residential service panels and light commercial panelboards.
• Retrofit projects where a robust, plug-in 40A device is needed to support specific loads without reconfiguring the panel.

Technical specifications

• Manufacturer: Federal Pioneer
• Part Number: NA40
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 40A
• Voltage Rating: 120V
• Number of Poles: 1
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Designed for reliability in everyday electrical systems, the NA40 from AmpState provides a precise, compact protection solution that seamless integrates with compatible panelboards. Whether you're upgrading an older panel or wiring a new installation, this 1-pole plug-in breaker delivers clear trip characteristics and dependable performance when it matters most.