Federal Pioneer NA20AFI - 1-Pole Circuit Breaker | AmpState

The Federal Pioneer NA20AFI 1-Pole Molded Case Circuit Breaker is a compact, dependable solution designed to protect branch circuits in panelboards and loadcenters. Built for residential, commercial, and light industrial applications, it delivers precise protection where space is at a premium and reliability matters most.

Compact design that frees panel space

Engineered as a molded case breaker, the NA20AFI packs essential protection into a slim profile. Its compact form helps you maximize panel real estate, making it easier to fit additional circuits or manage dense wiring layouts without compromising safety or performance.

Stable, repeatable protection with a thermal-magnetic trip

The thermal-magnetic trip unit provides dependable protection across a range of operating conditions. It responds to overloads with a controlled thermal action and delivers fast magnetic action during short circuits, ensuring predictable trips and minimizing nuisance outages on normal loads.

OEM-compatible and easy to substitute in existing installations

Designed to be compatible with matching OEM loadcenters and panelboards, the NA20AFI offers a straightforward replacement path in compatible systems. This alignment reduces retrofit complexity and helps maintain uniform protection across your electrical distribution.

Who it's for and where it shines

• Residential projects needing reliable single-circuit protection in compact panels
• Commercial spaces with tight electrical rooms and space-constrained panels
• Light industrial applications where consistent, repeatable overcurrent protection is essential

Technical snapshot

• Manufacturer: Federal Pioneer
• Part Number: NA20AFI
• Type: Thermal-magnetic molded case circuit breaker
• Number of Poles: 1
• Application: Branch circuit overcurrent and short-circuit protection

Installation and practical considerations

When upgrading or designing a panel, choose the NA20AFI for single-pole protection needs and ensure compatibility with your existing Federal Pioneer loadcenter or panelboard. For best results, match the part number and configuration to preserve protection characteristics and coordinate with other field-installed devices to maintain system reliability.

Practical tips for best results

• Plan replacements around the panel’s layout to minimize wiring disruption and maintain clear labeling of circuits.
• Verify that the new breaker aligns with the OEM panel’s design and instructions to ensure full compatibility.
• Schedule periodic inspections of panel connections and run-times to confirm ongoing, stable protection across seasonal load variations.

Available through AmpState, the Federal Pioneer NA20AFI 1-Pole Circuit Breaker is a thoughtful choice when you need compact, reliable branch circuit protection that aligns with OEM panel systems and delivers consistent performance across residential, commercial, and light industrial environments.