ABB | S3N-2P-90A | Circuit Breaker | 90A | 2-Pole | 480V

Meet the ABB S3N-2P-90A circuit breaker — a purpose-built, two-pole protection device designed for 480V systems. With a 90A rating, this breaker delivers dependable overcurrent protection for demanding industrial and commercial electrical setups, while fitting neatly into existing ABB-compatible panels and configurations.

Key specifications at a glance

• Amperage: 90 A
• Poles: 2-Pole
• Voltage: 480 V
• Part reference: S3N-2P-90A

Why this ABB breaker stands out

• Designed for maintenance, retrofit, and replacement projects where exact specs are essential, reducing guesswork and panel downtime.
• Two-pole construction provides balanced protection for multi-wire circuits and distribution panels operating at 480V.
• Part-number accuracy matters: using the exact S3N-2P-90A ensures compatibility with existing ABB equipment and minimizes the risk of mismatched ratings.

How to verify compatibility

• Match the exact S3N-2P-90A part number on your current breaker or purchase documentation.
• Confirm the amperage (90 A) and voltage rating (480 V) align with your panel requirements.
• Ensure the installation is within an appropriate ABB S3N-series footprint and that the panel labeling supports a two-pole 480V device.

Ideal use cases

• Replacing a failed or outdated breaker in 480V distribution panels without changing the surrounding hardware.
• Retrofit projects where the existing system relies on exact ABB components for coordinated protection.
• Maintenance cycles that require a ready-to-install, compatible ABB part to minimize downtime.

Practical tips for best results

• Keep a spare S3N-2P-90A on hand for planned maintenance to shorten outages.
• Store and handle the unit in a clean, dry environment and install only by qualified personnel following local electrical codes.
• Document the replacement part number in maintenance logs to facilitate future upgrades or repairs.

When precise compatibility matters and you need reliable, ABB-branded protection for 480V two-pole circuits, the S3N-2P-90A is the deliberate, performance-focused choice. Verify fit using the exact part number, and proceed with confidence for a secure, compliant installation.