NA350-FLAT-TOP | Circuit Breaker | 50A | 3-Pole | 240V

Meet the NA350-FLAT-TOP, a purpose-built industrial circuit breaker designed to guard 3-phase 240V electrical systems with a precise 50A rating. This unit shines in maintenance, retrofit, and replacement projects where a direct, compatible fit is essential. When the job demands reliability and exact specifications, this breaker delivers calm under load and confident operation in demanding environments.

Key specifications at a glance

• Amperage: 50A
• Poles: 3-Pole
• Voltage: 240V
• Design note: Flat-top construction described in the part name for panel compatibility
• Best reference for compatibility: Use the part number NA350-FLAT-TOP when cross-checking panels and catalogs

Why this particular breaker matters

• Exact fit for 3-phase, 240V systems: The 50A, 3-pole configuration provides dependable protection for motor feeders, compressors, conveyors, and other three-phase equipment common in industrial settings.
• Streamlined replacement workflow: When you have the NA350-FLAT-TOP in hand, you’re using the most reliable reference for matching panel boards, bus stabs, and mounting footprint—reducing guesswork during retrofit or maintenance.
• Robust performance in retrofit projects: Ideal for updating legacy panels where preserving protective ratings is critical, ensuring continued protection without reconfiguring adjacent circuits.

Ideal use cases

• Retrofit of aging control panels in manufacturing lines that run 3-phase equipment
• Replacement in serviceable industrial panels where 240V three-pole protection is required
• Maintenance cycles for facilities with heavy motor loads, such as pumps, fans, and compressors

Compatibility and installation guidance

• Verify before ordering: Confirm fit and ratings against your panel’s catalog and the device’s stamped specifications. The NA350-FLAT-TOP part number is the most reliable reference for compatibility.
• Plan for panel integration: Ensure your enclosure and mounting arrangement accommodate a flat-top style breaker and the 3-pole, 50A, 240V configuration.
• Inspect alongside existing equipment: If replacing an older unit, compare the old part number, voltage rating, and ampere rating to avoid under- or over-protection of your circuits.

Practical tips for best results

• Keep a cross-reference with your panel’s manufacturer catalog handy; even within the same voltage and pole count, subtle mounting or footprint differences can affect a clean installation.
• Document the replacement with the NA350-FLAT-TOP part number and date of service for future maintenance planning and regulatory compliance.
• When in doubt about compatibility, consult your panel’s wiring diagram and compare it against the 3-Pole 240V, 50A specifications to ensure seamless integration.

Designed for reliability, the NA350-FLAT-TOP provides focused protection for essential industrial circuits. Its 50A, 3-pole, 240V configuration is tailored for serious, real-world applications where uptime and safety matter most. Use the part number as your go-to reference to verify fit, ensuring a smooth, efficient retrofit, maintenance, or replacement experience.