Schneider Electric S173C 70A 3-Pole 240 V Circuit Breaker

Schneider Electric S173C 70A 3-Pole 240V Circuit Breaker is built to protect three‑phase electrical systems with precision and reliability. This 3‑pole device disconnects all three phases together on fault, delivering a safe, clean shutdown and helping prevent damage to wiring, motors, and downstream equipment.

Key specs at a glance:

• Current rating: 70 A
• Poles: 3
• Voltage rating: 240 V
• Part number: S173C

Practical use scenarios you’ll encounter with the S173C include protecting 3‑phase feeders and motors in commercial or light‑industrial panels, feeding critical equipment like large compressors, conveyors, or processing lines, and serving as a robust main or sub‑feed breaker in Schneider Electric distribution boards. With a 240 V rating, it’s suitable for standard three‑phase arrangements that require dependable overcurrent protection across all three phases.

Why choose this Schneider Electric breaker? It’s engineered to integrate seamlessly within Schneider Electric ecosystems, offering consistent trip characteristics and reliable performance that electricians trust in daily installations. The S173C’s three‑pole configuration ensures simultaneous disconnection of all phases, improving safety and system stability during fault events, and its form factor is designed for straightforward installation in compatible panels and enclosures.

Tips for installation and long‑term reliability:

• Confirm that your panel accepts the S173C 3‑pole 240V device and that the wiring is rated for 70 A conductors.
• Follow standard electrical safety practices when wiring and energizing the circuit, and ensure proper torque on terminals as per the panel’s guidelines.
• After installation, perform a controlled test in accordance with your safety procedures to verify proper tripping on fault conditions.

In sum, the Schneider Electric S173C 70A 3‑Pole 240 V Circuit Breaker delivers dependable, three‑phase protection in a compact, reliable package. It’s an excellent choice for professionals seeking a proven Schneider Electric solution that aligns with existing panels and equipment while delivering clear, safe protection for your critical 3‑phase circuits.