Schneider Electric S174D 100A 3-Pole 600 V Circuit Breaker

Schneider Electric S174D 100A 3-Pole 600 V Circuit Breaker is a dependable three-phase protection device designed to keep commercial and light industrial electrical distributions safe and reliable. Built to interrupt fault currents across all three phases, it helps protect wiring, equipment, and downstream systems from overloads and short circuits.

Designed for robust performance in demanding environments, the S174D delivers precise, repeatable protection for modern electrical panels and distribution networks. Its 3-pole configuration makes it ideal for three-phase systems, ensuring balanced protection across all phases and simplifying panel design and maintenance.

Key specifications

• Current rating: 100 A
• Poles: 3
• Voltage rating: 600 V
• Part number: S174D
• Brand: Schneider Electric

Ideal for use as a main or branch protection device in various setups, the S174D is well-suited for three-phase panel boards, distribution panels, and motor control environments where reliable overcurrent protection is essential. It provides a straightforward, maintainable solution that aligns with Schneider Electric’s legacy of durable electrical components.

Why choose the Schneider Electric S174D? It combines a proven three-phase protection approach with a clear, easy-to-source form factor that supports consistent replacements and upgrades within existing installations. This makes it a sensible choice for technicians and engineers seeking dependable, compatible protection for 100 A circuits in systems operating up to 600 V.

Practical considerations for deployment: verify compatibility with your panel or enclosure, confirm three-phase configuration aligns with your distribution needs, and ensure the device meets local electrical codes and installation practices. With the S174D, you’re investing in a trusted Schneider Electric solution that supports safe, uninterrupted power distribution.