Siemens QF115 A - 15 A, 120 V, 1-Pole Plug-In Circuit Breaker | AmpState

Siemens QF115A is a 15-amp, 120-volt, 1-pole plug-in molded case circuit breaker designed to protect branch circuits from overcurrent and short circuits in panelboards and loadcenters. Its plug-in design enables fast, tool-free installation and quick replacement, minimizing downtime during maintenance or upgrades.

Why this breaker stands out

• Rapid, reliable plug-in connection: Designed for swift installation and effortless swaps, reducing panel downtime and service interruptions.
• Thermal-magnetic trip unit: Delivers stable, repeatable protection across varying loads, guarding wires and devices from overloads and short circuits.
• OEM-compatible and flexible: Built to fit Siemens OEM loadcenters and compatible panelboards for a seamless protection system with your existing equipment.
• Ideal for multiple settings: Suitable for residential, commercial, and light industrial applications where dependable single-pole protection is required.
• 1170-volt-ready standard ratings: While configured for 120V operation, the breaker is part of a family designed for consistent performance in standard electrical panels.

Practical use cases

Use the Siemens QF115A to guard individual lighting or outlet circuits in a home panel, upgrade an aging subpanel in a small office, or retrofit a light-duty distribution setup in a workshop. Its 1-pole, 15A rating is perfect for single-conductor protection on circuits that don’t require multi-pole control.

How it improves your electrical protection

Compared to non-plug-in or less precise protection devices, the QF115A offers quick installation, minimal panel disruption, and a dependable thermal-magnetic response that protects both wiring and connected devices. The molded case construction enhances durability and consistent performance within standard panel enclosures.

Technical specifications

• Manufacturer: Siemens
• Part Number: QF115A
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 15 A
• Voltage rating: 120 V
• Number of poles: 1
• Mounting style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Equip your panel with the Siemens QF115A and experience dependable, fast-acting protection for everyday electrical loads in a wide range of environments. Order today to ensure your circuits stay protected with a trusted, plug-in solution built for reliability.