ABB | S3N175TW | Circuit Breaker | 175A | 3-Pole | 600V | Bolt-On

Meet the ABB S3N175TW Circuit Breaker — a purpose-built, three-pole protection solution engineered for demanding electrical environments. With a 175 A rating, 600 V capacity, and a bolt-on mounting design, it’s an ideal choice for maintenance, retrofit, and replacement projects where precise compatibility matters.

• Amperage: 175 A
• Poles: 3-Pole
• Voltage: 600 V
• Mounting: Bolt-On for secure, field-ready installation
• Reference: Part number S3N175TW ensures alignment with compatible panels and systems

Why this ABB circuit breaker stands out

The S3N175TW is designed to simplify maintenance and retrofits in multi‑phase power architectures. Its bolt-on design supports efficient field replacement, reducing downtime while delivering reliable protection across all three phases. The 175 A rating is well-suited for feeders and distribution circuits in industrial settings, while the 600 V rating matches common commercial and manufacturing power networks.

Smart use cases

• Retrofit installations where existing breakers match the S3N175TW specifications to restore or upgrade protection quickly.
• Maintenance spares for 3‑phase 600 V equipment, ensuring you can swap in a like-for-like replacement with minimal disruption.
• New equipment or panel builds that require a robust three-pole bolt-on breaker with precise amperage and voltage ratings.

Practical considerations

Before ordering, confirm fit and ratings against your panel or enclosure. The S3N175TW part number is the most reliable reference for compatibility, helping you avoid mismatches in trip characteristics or mounting geometry. As with any field installation, follow your panel manufacturer’s guidelines and verify proper torque and secure mounting during replacement.

Designed for reliability, clarity of specification, and straightforward installation, the ABB S3N175TW 175 A, 3-Pole, 600 V Bolt-On circuit breaker delivers targeted protection where it’s needed most — in retrofit projects, routine maintenance, and strategic replacements across industrial power systems.