Square D FH16030B - 30 A, 277 V, 1-Pole Plug-In Circuit Breaker | AmpState

Engineered for dependable branch-circuit protection, the Square D FH16030B is a 30A, 277V, 1-pole plug-in molded case circuit breaker designed to guard panelboards and load centers. Its streamlined plug-in design streamlines installation and replacement, reducing downtime during panel upgrades or maintenance.

• Fast plug-in connection: align, snap in, and you’re protected—quick installation and straightforward replacements keep service interruptions to a minimum.
• Thermal-magnetic trip unit: delivers stable, repeatable protection by reliably responding to overloads and short circuits, helping to protect wiring and connected equipment from damage.
• OEM-compatible: built to pair with matching Square D OEM load centers and panelboards, ensuring proper fit, electrical coordination, and hassle-free replacement.
• Versatile for multiple settings: ideal for residential, commercial, and light industrial electrical distributions, especially where 277V circuits are common.

Technical snapshot

• Manufacturer: Square D
• Part Number: FH16030B
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 30A
• Voltage Rating: 277V
• Number of Poles: 1
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

This FH16030B is a practical choice for electricians and facility managers looking to upgrade or maintain reliable protection in panelboards and load centers. Its authentic Square D design delivers consistent performance, clear trip characteristics, and seamless compatibility with existing OEM equipment, making it a straightforward, long-term solution for safeguarding electrical distribution systems. AmpState safely supports your electrical projects with trusted components that align with industry standards and real-world use cases.