Schneider Electric S173N 4A Circuit Breaker

Schneider Electric S173N 4A Circuit Breaker — a compact, reliable solution for protecting small circuits with a precise 4 A current rating. This part, identified by Part Number S173N, is designed to slot into Schneider Electric installations, delivering dependable overcurrent protection when you need it most.

Engineered for clarity and performance, the S173N interrupts current promptly when a fault or overload occurs, guarding wiring, sensors, and control devices from damage. Its straightforward design makes it an ideal replacement part or maintenance stock for critical low-current circuits, helping you minimize downtime without sacrificing safety.

• Precise 4 A protection tailored for control circuits, instrumentation lines, small automation devices, and other low-current loads.
• Easy compatibility with Schneider Electric installations and common panel configurations, simplifying replacements and upgrades.
• Reliable interruption to prevent overheating and equipment damage in fault conditions, enhancing overall system safety.
• Smart stocking choice as a ready-to-use spare part that reduces maintenance time during outages or repairs.
• Clear identification with the S173N designation for accurate inventory control and traceability.

Ideal use cases include automation panels, small-scale lighting or receptacle circuits, instrumentation racks, and control loop installations where precise 4 A protection is essential. If you’re refurbishing an existing Schneider Electric setup, the S173N offers a seamless, like-for-like replacement that keeps your system aligned with original specifications.

Practical tips for optimal results:

• Confirm the protected circuit requires exactly 4 A protection to prevent nuisance trips while ensuring safety.
• Use this part as a like-for-like replacement to maintain consistent performance with existing Schneider Electric components.
• Follow all applicable electrical codes and safety procedures during installation, and ensure the power is fully isolated before handling the device.