Eaton PDG21M0040TFFJ - 40 A, 600 V, 1-Pole Circuit Breaker | AmpState

Meet the Eaton PDG21M0040TFFJ from AmpState — a compact, reliable 40 A, 600 V, 1-pole molded case circuit breaker designed to protect your electrical system where it matters most. Built for dependable branch circuit overcurrent and short-circuit protection, this breaker is a smart choice for panelboards and load centers across residential, commercial, and light industrial settings.

Why this 1-pole molded case breaker stands out

• Compact molded case design maximizes panel space, letting you fit more circuits without sacrificing protection.
• Thermal-magnetic trip unit delivers stable, repeatable protection performance that responds quickly to both overload conditions and short circuits, even as ambient conditions change.
• Explicit compatibility designed to work with matching OEM load centers and panelboards, simplifying replacement and upgrade projects.
• Versatile applications ideal for residential wiring, light commercial setups, and modest industrial environments that require robust branch-circuit protection.

Technical at a glance

• Manufacturer: Eaton
• Part Number: PDG21M0040TFFJ
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 40 A
• Voltage Rating: 600 V
• Number of Poles: 1
• Application: Branch circuit overcurrent and short-circuit protection in panelboards and load centers

This breaker is more than a spec sheet item — it’s a practical, capable solution for protecting wiring, reducing nuisance trips, and helping maintain electrical system uptime. Whether you’re upgrading an existing panel, stocking spare breakers for service reliability, or configuring a new installation, the PDG21M0040TFFJ delivers predictable protection with OEM compatibility that streamlines ordering and maintenance.

Key use cases include safeguarding lighting and receptacle circuits in homes, power distribution for small offices, and protecting HVAC or other modest-load circuits in light commercial environments. Its straightforward 1-pole design makes it an easy drop-in in compatible Eaton OEM panelboards and load centers, reducing downtime during swap-outs and replacements.