Square D FH16030 A - 30 A, 277 V, 1-Pole Plug-In Circuit Breaker | AmpState

The Square D FH16030A is a dependable 30A, 277V, 1-pole plug-in molded case circuit breaker designed to protect your most essential branch circuits. Built for quick service in panelboards and loadcenters, it blends precise protection with simple, fast replacement.

Key advantages that set it apart

• Fast plug-in connection for rapid installation and effortless replacement. Save downtime during upgrades or maintenance with a secure, snap-in fit.
• Thermal-magnetic trip unit delivers stable, repeatable protection across a range of temperatures and load conditions, helping prevent nuisance trips while guarding against overcurrent and short circuits.
• OEM-compatible design ensures seamless pairing with matching Square D loadcenters and panelboards, preserving electrical performance and fitment.
• Versatile for multiple environments suited for residential, commercial, and light industrial applications where 277V circuits are common, such as lighting, receptacle runs, and general branch circuits.

Why this breaker matters for your electrical system

When protecting 277V circuits, reliability and compatibility are critical. The FH16030A’s single-pole configuration provides targeted protection for individual hot legs, while its plug-in mounting simplifies service and reduces commissioning time. This is especially valuable in spaces that rely on consistent lighting and equipment performance in commercial and light industrial settings.

Ideal use scenarios

• Commercial lighting runs and 277V equipment circuits in offices, retail, and warehouses.
• Residential or small industrial installations that require a robust, plug-in protection solution compatible with Square D panelboards.
• Periodic panel upgrades or circuit updates where fast replacement minimizes downtime.

Specification snapshot

• Manufacturer: Square D
• Part Number: FH16030A
• Type: Thermal-magnetic molded case circuit breaker
• Amperage: 30A
• Voltage: 277V
• Poles: 1
• Mounting Style: Plug-in
• Applications: Branch circuit overcurrent and short-circuit protection in panelboards and loadcenters

Designed to align with your electrical system’s needs, the FH16030A provides precise protection without compromising ease of service. When selecting a breaker for 277V branch circuits, this plug-in solution from Square D offers clear benefits in fit, performance, and maintenance simplicity.