ABB | S1N-3P-90A | Circuit Breaker | 90A | 3-Pole | 480V

Meet the ABB S1N-3P-90A Circuit Breaker — a precise, install-ready protection solution designed for 480V industrial panels. This 3‑pole, 90A unit is purpose-built for maintenance, retrofit, and replacement projects where exact specifications matter, ensuring you can keep critical equipment running with minimal downtime.

• Amperage: 90A
• Poles: 3-Pole
• Voltage: 480V
• Part number: S1N-3P-90A
• Manufacturer: ABB

Why this model stands out in demanding environments: the S1N-3P-90A provides an exact match for panels and systems that rely on ABB’s proven reliability. By using the exact part number as your reference, you minimize compatibility risks across legacy panels and modern ABB installations alike, making it the safer, faster choice for upgrading or restoring protection in 480V three-phase applications.

Ideal use cases include:

• Retrofit projects where existing breakers require replacement with a like-for-like ABB specification
• Maintenance in industrial settings with 480V three-pole circuits, such as motors, conveyors, and control panels
• Spare parts for service crews handling repetitive maintenance in manufacturing facilities

What this means in practical terms: you can swap in the S1N-3P-90A with confidence, knowing the form factor, pole arrangement, and electrical rating align with your current ABB gear. This reduces installation guesswork and helps you restore protection quickly after routine servicing or unexpected faults.

Before ordering, confirm fit and ratings using the part number S1N-3P-90A as your primary reference. ABB’s documentation and compatibility rely on this exact model to ensure seamless integration with your existing equipment.

Choose the ABB S1N-3P-90A for dependable, industry-standard protection that aligns with your 480V, three-pole infrastructure. It’s the pragmatic, proven choice for keeping critical systems safe and productive.