Square D EHN3CL Circuit Breaker, 100A, 3-Pole, 480V

The Square D EHN3CL circuit breaker is a rugged, industrial-grade protection device engineered for demanding service, maintenance, and replacement projects. With a 100 A rating and a 3-pole design, this unit is ready to safeguard 3-phase systems up to 480 V, delivering reliable interruption when faults occur and helping keep equipment and personnel safe in high-demand environments. Part of the EHB family, the EHN3CL is a trusted choice for panel upgrades and field replacements that require precise compatibility.

Key specifications at a glance

• Current rating: 100 A
• Poles: 3
• Voltage: 480 V
• Series/Family: EHB
• Part number: EHN3CL
• Typical applications: Industrial electrical service, maintenance, and replacement projects

Why this model stands out

The EHN3CL isn’t just another breaker—it’s a purpose-built solution for industrial environments where reliability and precise compatibility matter. As part of Square D’s EHB lineup, it is designed to integrate with panels and systems that rely on this family’s architecture, ensuring a smoother installation, fewer fit issues, and consistent protection across your 3-phase distribution. The 3-pole design ensures simultaneous disconnection of all conductors in a fault, reducing the risk of arc faults and improving overall safety in 480 V networks.

Ideal use cases

• Replacement of failed breakers in existing EHB-series panels within 480 V three-phase circuits
• New installations where 3-pole, 100 A protection is required for a 480 V distribution
• Maintenance and service projects that demand quick-part-number verification to minimize downtime

How to ensure a perfect fit

Verify fit by the exact part number and application requirements. The EHN3CL is specifically associated with the EHB series, so matching the part number to your panel designation and system voltage is essential. If you’re unsure about compatibility, feel free to message us for precise part-number confirmation and guidance on installation considerations.

Practical tips for installation and beyond

• Inspect the breaker for any transport or packaging damage before installation
• Confirm your panel’s acceptance of EHB-series breakers to avoid compatibility issues
• Follow manufacturer and local electrical codes during installation and maintenance
• Keep a small stock of EHB-compatible parts (including EHN3CL) on hand for future service and proactive replacements

Designed for industrial complexes, manufacturing lines, and facilities with demanding 3-phase 480 V distribution, the Square D EHN3CL delivers dependable protection with a clear path to reliable maintenance and smooth panel operation. If you’re aiming for a precise, compatible replacement or an upgrade within the EHB family, the EHN3CL is a concrete, field-tested choice.