Siemens Q2030NC - 30 A, 120 V, 1-Pole Plug-In Circuit Breaker | AmpState

Designed for reliable branch circuit protection, the Siemens Q2030NC is a 30A, 120V, 1-pole plug-in molded case circuit breaker built to keep residential, commercial, and light industrial panelboards safe from overcurrent and short circuits. Its compact 1-pole design provides targeted protection for a single distribution circuit while preserving space in crowded panels.

• Fast plug-in connection—secure, tool-free installation makes adding or replacing breakers quick, minimizing downtime on service upgrades or panel maintenance.
• Thermal-magnetic trip unit—combines precise thermal protection with immediate magnetic response for short-circuit events, delivering stable, repeatable protection performance you can count on.
• OEM-compatibility—engineered to fit alongside matching Siemens OEM load centers and panelboards, ensuring consistent protection curves and reliable operation.
• Versatile application—ideal for home electrical panels, small commercial spaces, and light industrial applications where dependable single-pole protection is needed.
• Specifics at a glance—30A, 120V, 1 pole, plug-in mounting with molded-case construction for durable performance in demanding environments.

Who benefits most—electricians performing panel upgrades or replacements, facilities managers expanding capacity, and homeowners seeking a dependable, code-respecting solution for branch-circuit protection.

Practical use cases—replace a worn or tripped breaker in a residential panel; add a new circuit in a small business storefront; refresh an aging panelboard with modern thermal-magnetic protection; deploy in light industrial settings where rapid replacement matters for uptime.

Technical snapshot:

• Manufacturer: Siemens
• Part Number: Q2030NC
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 30A
• Voltage Rating: 120V
• Number of Poles: 1
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection