NEF211020 | Circuit Breaker | 20A | 1-Pole | 277V

Meet the NEF211020 — a purpose-built industrial circuit breaker engineered for reliability in 277V, single-pole applications. This 20A device is designed for maintenance, retrofit, and replacement projects where exact specifications matter, delivering dependable protection for your critical circuits.

• Amperage: 20A — trusted protection for standard 20-amp circuits in commercial and industrial panels.
• Poles: 1-Pole — suited for single-phase circuits commonly used in lighting, control, and auxiliary equipment.
• Voltage: 277V — optimized for facilities with 277-volt distribution, ensuring compatibility with typical commercial/industrial systems.
• Part reference: NEF211020 — using the exact part number is your best bet for accurate replacement and compatibility checks.

Why this breaker stands out — when you’re upgrading or maintaining electrical infrastructure, the NEF211020 provides a precise, reliable match for 277V, 1-pole circuits. Its design supports quick substitution in compatible enclosures, minimizing downtime during critical maintenance windows.

Ideal use cases

• Maintenance projects where old or worn breakers must be replaced with a part that matches existing specifications.
• Retrofits in facilities with 277V distribution, where preserving correct amperage and single-pole protection is essential.
• Routine replacement in manufacturing or warehousing environments to safeguard lighting and auxiliary equipment circuits.

Practical guidance for safe, effective use

• Before ordering, confirm fit and ratings against your panel’s labeling and electrical drawings. The NEF211020 is the definitive reference for compatibility.
• Use this 20A, 1-pole breaker specifically for circuits operating at 277V to ensure proper overcurrent protection.
• Keep the part number handy for future maintenance and replacements to avoid mismatches in material stocking or service calls.

Designed for electrical professionals who demand precise, dependable protection in industrial environments, the NEF211020 helps you maintain safety, reduce downtime, and keep critical systems protected on every shift.