Square D | SDT115 | Circuit Breaker | 1-Pole | Plug-In

Introducing the Square D SDT115 1-Pole Plug-In Circuit Breaker — a purpose-built solution for reliable electrical protection in maintenance, retrofit, and replacement projects. This single-pole unit is designed for quick, straightforward plug-in installation in compatible panels, helping technicians restore and safeguard circuits with confidence.

• 1-Pole plug-in design enables fast, tool-free replacement in appropriate panels, minimizing downtime during service or upgrades.
• Precise reference—the SDT115 part number is the most reliable guide for compatibility, ensuring your replacement matches your existing setup.
• Ideal for maintenance, retrofit, and replacement scenarios where exact specs are required to protect downstream equipment and maintain code-compliant electrical protection.
• Compact, unobtrusive profile fits within standard panel enclosures without crowding adjacent components.

How to ensure a proper fit: before ordering, confirm that the SDT115 matches your panel’s requirements and that the ratings align with your system’s needs. Rely on the part number as your primary reference to guarantee the correct trip characteristics and electrical compatibility.

Who this is for: electrical maintenance teams, facility engineers, and installers working on Square D load centers or panels that rely on plug-in, single-pole protection. If you’re replacing a failed breaker or upgrading to a like-for-like component, the SDT115 provides a dependable, straightforward path to restored protection and minimal downtime.