Siemens | QJ3B11000S01 | Circuit Breaker | 110A | 3-Pole | 240V

Meet the Siemens QJ3B11000S01 circuit breaker—a robust, three‑pole protection device designed for 240V systems and a 110A load. Built to support maintenance, retrofit, and replacement projects, this unit delivers reliable overcurrent protection while preserving compatibility with existing Siemens panel configurations that rely on the QJ3B11000S01 reference.

Why this Siemens QJ3B11000S01 stands out

• Exact compatibility: The part number QJ3B11000S01 is the definitive reference for matching your current Siemens panels and breakers, minimizing guesswork during upgrades or replacements.
• Three-pole protection: Ideal for three-phase circuits, ensuring synchronized disconnection across all conductors to protect equipment and maintain system integrity.
• 110A rating for practical, real-world loads: Suited for medium‑to‑high current applications common in commercial and light industrial environments.
• Standard 240V operation: Aligns with common industrial power distributions, simplifying integration with existing infrastructure.
• Designed for retrofit and replacement: A reliable, drop-in solution when upgrading panels or restoring protective coordination after component wear.

Key specifications

• Amperage: 110A
• Poles: 3-Pole
• Voltage: 240V
• Part number: QJ3B11000S01
• Type: Circuit Breaker for three-phase protection

Ideal use cases

• Maintenance projects where existing Siemens infrastructure requires a precise, compatible replacement
• Retrofit installations to upgrade or restore protective coordination in 3-phase panels
• Replacement of worn or end-of-life breakers in commercial or light industrial electrical rooms

Practical guidance for a seamless fit

Before placing an order, confirm the panel’s acceptance of the QJ3B11000S01 form factor and ensure the amperage and pole count match your system requirements. The part number is the most reliable reference for compatibility, helping you avoid mismatches and unexpected downtime.