Siemens Q115DFCSA - 15 A, 120 V, 1-Pole Plug-In Circuit Breaker | AmpState

The Siemens Q115DFCSA is a 15A, 120V, 1-pole plug-in circuit breaker crafted for dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built for fast, hassle-free installation and reliable performance, this breaker fits seamlessly into Siemens electrical ecosystems for homeowners, electricians, and facility managers alike.

Why this 1-pole plug-in breaker stands out

• Fast plug-in installation: The molded-case design snaps into compatible Siemens panelboards, enabling quick replacement or provisioning with minimal downtime.
• Thermal-magnetic protection: A combined trip mechanism delivers precise, repeatable responses to overloads and faults, reducing nuisance trips and keeping circuits safe.
• OEM-compatible reliability: Specifically designed to pair with matching Siemens load centers and panelboards for consistent electrical contact and long-term performance.
• Versatile for multiple settings: Ideal for residential, commercial, and light industrial applications that rely on clean 120V single-circuit protection.
• Clear, dedicated protection: 15A rating protects a single branch circuit without interrupting power to other circuits in the panel.

Technical specifications at a glance

• Manufacturer: Siemens
• Part Number: Q115DFCSA
• 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 benefits and practical use cases

Ideal for homeowners upgrading a panel, electricians provisioning new circuits, and facilities staff maintaining light commercial spaces. Use the Q115DFCSA to protect 120V lighting runs, dedicated outlet circuits, or small equipment feeds. Its plug-in design reduces labor time during upgrades, and its compatibility with Siemens panel ecosystems ensures seamless integration with existing electrical infrastructure.

Tips for installation and optimal performance

• Confirm compatibility with your Siemens panelboard or load center before installation.
• Power down the system and verify there is no live voltage prior to seating the breaker.
• Ensure proper seating and alignment in the breaker slot to maintain secure electrical contact and reliable trip operation.
• Periodically inspect the plug-in connection for wear or corrosion, and replace if needed to preserve protection integrity.

Choose the Siemens Q115DFCSA when you need fast installation, dependable thermal-magnetic protection, and a 15A, 120V, 1-pole solution that fits neatly within Siemens panel ecosystems—delivering targeted, reliable circuit protection for everyday electrical loads.