Siemens | Q315H | Circuit Breaker | 3-Pole | 240V | 22kA | Plug-In

Meet the Siemens Q315H Circuit Breaker—a purpose-built 3-pole, 240V plug-in protector crafted for reliable, professional-grade overcurrent protection in three-phase systems. Designed for maintenance, retrofit, and replacement projects, this unit slips into compatible panels with precision, delivering fast service and minimal downtime when it matters most.

• Three-pole, 240V operation—safely guards three-phase circuits and equipment across industrial and commercial installations.
• 22kA interrupting capacity—tames high fault currents to shield cables, motors, and devices from damaging surges.
• Plug-In design—facilitates quick, service-friendly installation and straightforward field replacement within compatible Siemens panels.
• Definitive compatibility reference—identified by part number Q315H, the most reliable indicator for matching your existing gear.
• Ideal for maintenance, retrofit, and replacement—a dependable choice when updating or restoring protection without overhauling the panel.

Where this breaker shines

The Siemens Q315H is a natural fit for three-phase electrical rooms in manufacturing lines, processing facilities, commercial fleets, and HVAC or pump sectors where downtime matters. Use it to replace aging or worn breakers, upgrade protection in evolving panels, or stock a trusted spare for critical systems—all while maintaining a consistent, Siemens-approved protection strategy.

Why choose the Q315H over generic options

• engineered to perform in Siemens-compatible panels, reducing compatibility risk.
• Exact specs for predictable protection: 3-pole configuration, 240V operation, and a robust 22kA interrupting capacity provide clear, reliable protection for three-phase loads.
• Service-ready design: the plug-in format simplifies replacements, helping maintenance teams shorten outage windows and streamline panel service.

Important compatibility note: Confirm fit and ratings before ordering. The part number Q315H is the best reference to ensure you’re getting the right breaker for your panel and application.