Eaton FDC4030L - 30 A, 600 V, 4-Pole Bolt-On Circuit Breaker | AmpState

The Eaton FDC4030L is a 30A, 600V four-pole bolt-on molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. Built for durability and reliable performance, this unit is a smart choice for electricians and facilities managers seeking a robust protection solution from a trusted brand. Sold by AmpState, it combines Eaton’s engineering with practical, field-ready design.

Why this breaker stands out

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection, helping maintain consistent electrical contact in active panels and busy installations.
• Thermal-magnetic trip unit delivers stable, repeatable protection across a wide fault-current range, reducing nuisance trips and promoting dependable system shutdown when protection is needed.
• 4-pole design supports 3-phase systems with a neutral, enabling clean protection for multi-wire branch circuits and balanced fault handling.
• 30A, 600V rating makes it suitable for mid-sized loads and feeders in residential, commercial, and light industrial environments.
• OEM load center compatibility ensures seamless integration with matching Eaton panels and other OEM panelboards, simplifying retrofits and new installs.
• Purpose-built for branch circuit protection and short-circuit protection, helping protect wiring, devices, and downstream equipment from damage.

Technical specifications at a glance

• Manufacturer: Eaton
• Part number: FDC4030L
• Type: Thermal-magnetic molded case circuit breaker (MCCB)
• Amperage rating: 30 A
• Voltage rating: 600 V
• Number of poles: 4
• Mounting style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases

• Panelboards and load centers in new constructions or retrofit projects where a secure, OEM-compatible breaker's needed.
• Residential multi-wire circuits and light commercial gear that require reliable 3-phase with neutral protection.
• Electrical installations in light industrial settings that demand durable, vibration-tolerant mounting and robust trip performance.

Practical considerations and tips

• Verify panel compatibility with matching OEM load centers to ensure a trouble-free fit and reliable electrical performance.
• When servicing, rely on the thermal-magnetic trip unit to provide predictable trip behavior across typical operating temperatures and fault currents.
• Use in applications where clean, repeatable protection is critical to minimize downtime and protect downstream equipment.
• Consider this 4-pole solution for systems that require simultaneous protection of multiple live conductors and a neutral conductor in a single device.