Siemens Q315H - 15 A, 240 V, 3-Pole Plug-In Circuit Breaker | AmpState

Meet the Siemens Q315H 15A, 240V, 3-pole plug-in molded case circuit breaker — a reliable guardian for your electrical distribution. Built for fast installations in panelboards and load centers, it delivers precise protection for branch circuits while simplifying future maintenance. This model is a practical, long-lasting choice for professionals and skilled DIYers who value safety and efficiency.

Fast, secure installation

The plug-in connection is designed for quick installation and straightforward replacement, reducing downtime in panelboards and load centers that match Siemens OEM specifications. A solid, field-friendly design means you can service or expand your system with confidence.

Smart protection that adapts

Equipped with a thermal-magnetic trip unit, the Q315H delivers stable, repeatable protection across varying loads and environmental conditions. It responds accurately to overcurrent and short-circuit events, helping to minimize nuisance trips while safeguarding connected equipment.

Versatility for modern electrical layouts

Three-pole configuration on a 240V system supports multi-wire and 3-phase applications typical in commercial and light industrial settings, as well as residential installations requiring robust protection. Designed to be compatible with matching OEM load centers and panelboards, it fits into established, reliable electrical ecosystems.

Key specifications

• Amperage rating: 15A
• Voltage rating: 240V
• Number of poles: 3
• Mounting style: Plug-in
• Type: Thermal-magnetic molded case circuit breaker
• Manufacturer: Siemens
• Part number: Q315H

Why this Siemens Q315H stands out

Designed to align with matching OEM equipment, the Q315H ensures a seamless, dependable fit within your panelboard or load center. Its plug-in design minimizes installation complexity and reduces downtime during upgrades or maintenance, all while delivering precise 15A protection at 240V for branch circuits powering lighting, outlets, and essential equipment.

Practical use cases

• Replacing a failed or outdated 3-pole breaker in a Siemens-compatible panelboard during routine maintenance.
• Creating a dedicated 240V, 15A circuit for controlled equipment in small offices, workshops, or retail spaces.
• Upgrading a mixed-use electrical area where reliable, plug-in protection speeds service calls and minimizes downtime.

Installation and safety tips

Ensure the panelboard is compatible with Siemens plug-in breakers and that installation is performed by qualified personnel in accordance with local codes. The plug-in format promotes a tight, secure connection, helping maintain circuit integrity and reducing long-term arcing risk.