Siemens Q2100H - 100 A, 240 V, 2-Pole Plug-In Circuit Breaker | AmpState

Meet the Siemens Q2100H—the 100A, 240V, 2-pole plug-in molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short‑circuit protection in panelboards and load centers. Built for quick swaps and enduring performance, this breaker helps keep critical electrical circuits safeguarded with precision.

Key benefits

• Fast plug-in connection for quick installation and effortless replacement, minimizing panel downtime during service or upgrades.
• Thermal-magnetic trip unit delivers stable, repeatable protection against overcurrent and short circuits, with reliable response across varying conditions.
• OEM-compatible design ensures seamless integration with matching Siemens panelboards and load centers for consistent performance.
• Versatile protection suitable for residential, commercial, and light industrial applications that require dependable 2-pole 100A protection at 240V.
• Rugged molded case construction built to withstand the demands of modern electrical enclosures while maintaining precise protection characteristics.

Ideal applications and use cases

Use the Q2100H to protect branch circuits within Siemens-compatible panelboards and load centers. It’s an excellent choice for protecting feeder circuits, critical lighting, or receptacle groups in homes, small offices, retail spaces, and light industrial installations where 100A, 240V two-pole protection is required. Because it’s plug-in, it’s particularly convenient for service replacements or panel upgrades that demand quick, reliable deployment without complex wiring changes.

Technical specifications at a glance

• Manufacturer: Siemens
• Part number: Q2100H
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 100A
• Voltage rating: 240V
• Number of poles: 2
• Mounting style: Plug-in
• Typical application: Branch circuit overcurrent and short-circuit protection in panelboards and load centers

Why this matters

Choosing the Siemens Q2100H means relying on a trusted solution designed to deliver precise trip performance when it matters most—protecting wiring, devices, and people. The combination of a fast install, verified compatibility with Siemens OEM panels, and a robust thermal-magnetic trip mechanism reduces downtime, minimizes nuisance trips, and supports long-term reliability in everyday electrical systems.