Square D FA14035B - 35 A, 1-Pole Plug-In Circuit Breaker | AmpState

Square D FA14035B is a 35A, 1-pole plug-in molded case circuit breaker engineered to protect your panelboards and loadcenters from overcurrent and short-circuit faults. Designed for fast installation and dependable performance, it plugs into compatible Square D panels for a clean, secure connection and minimal downtime.

What makes this breaker stand out:

• Fast plug-in connection enables quick installation and easy replacement, reducing service interruption when a fault occurs or a component ages.
• Thermal-magnetic trip unit combines thermal protection with magnetic instantaneous response, delivering stable, repeatable protection across temperature changes and fault types.
• OEM-compatible design is intended for use with matching Square D load centers and panelboards, ensuring proper fit, labeling, and coordinated protection across the system.
• Versatile applications suitable for residential, commercial, and light industrial environments where reliable branch-circuit protection is essential.

Technical specifications at a glance

• Manufacturer: Square D
• Part Number: FA14035B
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 35A
• Number of Poles: 1
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Use cases and practical benefits

Imagine upgrading an aging panel or stocking spare breakers for routine maintenance. The FA14035B is ideal for:

• Replacing a worn or tripped 1-pole 35A breaker in residential panels where 120V branch circuits are common.
• Providing reliable protection for lighting and receptacle circuits in small commercial spaces and light industrial setups.
• Ensuring quick swaps in service panels, minimizing downtime during electrical faults or inspections.

Why this breaker matters in your electrical system

• Protects wires and devices from overheating by interrupting fault currents promptly with the magnetic stage, while maintaining steady protection under varying loads thanks to the thermal element.
• Reduces nuisance trips through coordinated trip behavior, improving circuit reliability in both new installations and panel maintenance scenarios.
• Designed for compatibility and longevity in OEM-panel ecosystems, simplifying inventory management and service planning for electricians and facilities teams.

Installation and safety considerations

Before replacement, ensure the panelboard is de-energized and the FA14035B is compatible with your Square D OEM load center. Use proper torque on terminals and follow all local electrical codes. This plug-in breaker is intended for branch-circuit protection in suitable panelboards and should be matched to the circuit’s amperage and pole requirements.

With the Square D FA14035B, you gain a reliable, fast-replaceable solution that blends precise protection with practical, real-world usability for residential, commercial, and light industrial electrical systems.