NEF421050 | Circuit Breaker | 50A | 2-Pole | 480V | 14kA | Bolt-On

Meet the NEF421050 circuit breaker—a rugged, bolt-on, 2-pole protection device designed for demanding industrial panels and equipment. With a 50A rating, 480V operating capability, and a 14kA interrupting capacity, this breaker is built to reliably interrupt fault currents and protect downstream equipment in harsh environments.

This unit is specifically suited for maintenance, retrofit, and replacement projects where precise compatibility matters. The value of the NEF421050 lies in its clear reference—the part number itself—giving you a straightforward path to match ratings and fit in compatible bolt-on panel architectures.

Key specifications

• Amperage: 50A
• Poles: 2-Pole
• Voltage: 480V
• Interrupting capacity: 14kA
• Mounting: Bolt-On

Ideal applications and use cases

• Retrofit projects where existing panels require a precise 50A, 2-pole, 480V solution with solid fault protection.
• Maintenance and replacement of aging equipment in industrial facilities that rely on bolt-on breakers for secure mounting.
• Protection of motor circuits and other high-current loads in 480V electrical systems, where maintaining a high interrupting capacity is critical.

Why this breaker stands out

• Bolt-on mounting enables a secure, sturdy installation that stands up to vibration and demanding service conditions.
• Unambiguous compatibility is anchored by the part number NEF421050, making it easier to verify fit against panels and existing protection schemes.
• Strong fault protection with a 14kA interrupting capacity helps safeguard equipment and reduce downstream damage in high-energy faults.
• Focused 50A, 2-pole design ensures simultaneous disconnection of conductors, enhancing safety and trip coordination in multi-line circuits.

Practical verification and installation tips

• Always confirm fit and ratings before ordering by cross-referencing the panel’s documented breaker lineup with the NEF421050 specification.
• Use the part number as the primary reference when reviewing panel catalogs or maintenance records to ensure seamless replacement.
• Prepare the installation area by verifying clearances and following electrical codes to preserve the integrity of the bolt-on mounting.

Choose the NEF421050 for a precise, reliable bolt-on circuit protection solution that aligns with 480V industrial systems and demanding fault conditions. This is the targeted, specification-driven choice for maintenance, retrofit, and replacement projects where accuracy and performance matter most.