Siemens | Q3030NC | Circuit Breaker | 1-Pole | 240V | 10kA | Plug-In

Meet the Siemens Q3030NC, a purpose-built plug-in circuit breaker engineered for reliability in maintenance, retrofit, and replacement projects. This 1-pole, 240V device carries a robust 10kA interrupting capacity, delivering dependable protection for single-phase circuits in Siemens-compatible panels.

Why this breaker stands out:

• Precise, plug-in fit—designed for Siemens panels that accept plug-in breakers. The Q3030NC part number is the best reference for compatibility, helping you avoid guesswork during replacements.
• High fault-current protection—with a 10kA interrupting capacity, it safely interrupts potentially damaging faults and protects downstream wiring and devices.
• Simplified maintenance and retrofit—its plug-in design enables quicker swaps and upgrades, reducing panel downtime during service or panel modernization.
• Clear usage guidance—perfect for projects where matching specs is critical. Always confirm fit and ratings before ordering to ensure seamless panel integration.

Key specifications at a glance

• Poles: 1-Pole
• Voltage: 240V
• Interrupting capacity: 10kA
• Type: Plug-In
• Part number: Q3030NC

Ideal use cases

This breaker is tailored for residential or light commercial panels that rely on Siemens plug-in breakers. Use it for:

• Replacing a failed or outdated single-pole 240V breaker in compatible Siemens panels
• Retrofits where a 10kA interrupting capacity enhances protection for lighting, outlets, or dedicated circuits
• Maintenance cycles that require a quick, secure plug-in replacement with minimal panel disturbance

In practice, the Q3030NC delivers a dependable balance of compatibility, protection, and ease of installation. By sticking to the published part number as your compatibility guide and verifying fit and ratings before purchase, you’ll achieve a seamless upgrade or replacement that keeps electrical systems safer and more reliable.