Square D FH16020C - 20 A, 277 V, 1-Pole Plug-In Circuit Breaker | AmpState

Introducing the Square D FH16020C, a dependable 20A, 277V, 1-Pole Plug-In Molded Case Circuit Breaker designed to safeguard branch circuits in panelboards and load centers. Built for quick swaps and reliable protection, this device serves as a critical line of defense against overloads and short circuits in commercial, light industrial, and select residential applications.

Why this FH16020C stands out

• Fast plug-in connection for effortless installation and rapid replacements in busy electrical environments — minimize downtime and labor costs on service calls.
• Thermal-magnetic trip unit delivers stable, repeatable protection by responding to both overloads (thermal) and short circuits (magnetic) with precision.
• 1-pole, 20A, 277V design tailored for lighting and general branch circuits common in commercial spaces, ensuring compatibility with 277-volt systems.
• Compatibility with OEM load centers and panelboards, simplifying upgrades and maintenance without sacrificing reliability.
• Molded case construction provides robust protection and compact form factor, ideal for crowded panel enclosures and retrofit projects.

Who benefits from the Square D FH16020C

Ideal for electricians, facility managers, and maintenance teams tasked with keeping commercial lighting, outlets, and auxiliary circuits safe. It’s a practical choice for light industrial environments where quick installation and dependable, repeatable protection are essential.

Practical use cases

• Branch circuit protection for 277V lighting systems in offices, schools, and retail spaces.
• Upgrading or replacing aging breakers in panelboards and load centers where a fast plug-in solution is needed.
• Retrofit projects in commercial buildings where minimizing downtime during panel maintenance is critical.

Specifications at a glance

• Square D
• Part Number: FH16020C
• Type: Thermal-magnetic molded case circuit breaker
• Amperage: 20 A
• Voltage: 277 V
• Poles: 1
• Mounting Style: Plug-in
• Applications: Branch circuit overcurrent and short-circuit protection in panelboards and load centers

With its fast plug-in installation, reliable thermal-magnetic protection, and OEM-compatible design, the FH16020C from Square D delivers peace of mind for everyday electrical reliability. Whether you’re outfitting a new commercial space or maintaining an existing panel, this breaker is a precise, purpose-built solution for safe, efficient power distribution.