Siemens Q11500S01 - 15 A, 120 V, 1-Pole Plug-In Circuit Breaker | AmpState

The Siemens Q11500S01 is a dependable plug‑in molded case circuit breaker engineered to protect branch circuits in panelboards and load centers. With a 15A rating at 120V and a single‑pole configuration, this breaker delivers targeted overcurrent and short‑circuit protection for residential, commercial, and light industrial electrical layouts.

Designed for fast, hassle‑free service, the fast plug‑in connection simplifies installation and replacement—minimizing downtime and keeping panels up and running. The thermal‑magnetic trip unit provides stable, repeatable protection: thermal protection guards against gradual overloads, while the magnetic element delivers an instantaneous response on severe short circuits, helping to preserve wires, devices, and circuits from damage.

• Fast plug‑in connection: quick installation and easy replacement reduces panel downtime.
• Thermal‑magnetic trip unit: combines reliable overload protection with immediate short‑circuit protection for consistent performance.
• OEM‑level compatibility: designed to work with matching Siemens OEM load centers and panelboards, ensuring proper fit and electrical characteristics.
• Versatile applications: suitable for residential, commercial, and light industrial environments where dependable branch circuit protection is essential.

Technical snapshot

• Manufacturer: Siemens
• Part Number: Q11500S01
• Type: Thermal‑magnetic molded case circuit breaker
• Amperage Rating: 15A
• Voltage Rating: 120V
• Number of Poles: 1
• Mounting Style: Plug‑in
• Application: Branch circuit overcurrent and short‑circuit protection

Who should consider the Siemens Q11500S01? It’s an ideal choice for any project that requires reliable, code‑compliant protection for 120V branch circuits. Replace aging or damaged breakers in existing panelboards and load centers with this plug‑in unit to restore protection quickly. It’s well suited for home electrical upgrades, small commercial setups, and light industrial installations where consistent protection and easy serviceability matter most.

Practical tips for maximum value: verify panel compatibility with Siemens Q‑series plug‑in breakers, power down the panel before replacement, and align the breaker with the panel’s labeling for correct trip characteristics. For new installations, pair this 15A, 1‑pole unit with circuits like lighting, receptacles, and low‑current equipment to ensure safe, reliable operation.