Siemens | HQJ3B110HA01 | Circuit Breaker | 110A | 3-Pole | 240V

Meet the Siemens HQJ3B110HA01 circuit breaker — a purpose-built solution for reliable three-phase protection in 240V systems. Rated at 110 A and configured as a 3-pole unit, this breaker is designed for maintenance, retrofit, and replacement tasks where exact specifications matter. With the HQJ3B110HA01, you get a precise fit that keeps your distribution panels running smoothly and safely.

Core specifications

• Amperage: 110 A
• Poles: 3-Pole
• Voltage: 240 V
• Part number: HQJ3B110HA01
• Compatibility note: Confirm fit and ratings before ordering. The part number is the best reference for compatibility.

What makes this breaker stand out

• Precise compatibility: Specifically designed to align with Siemens panels and three-phase 240V distribution, reducing guesswork during replacements.
• Streamlined retrofits: Matching 110 A, 3-pole, 240V specifications makes upgrades and replacements faster and more reliable.
• Targeted protection for busy systems: Ideal for commercial and light-industrial environments where dependable, routine maintenance is essential.

Ideal use cases

• Upgrading or replacing aging breakers in three-phase, 240V distribution panels.
• Retrofits in commercial buildings, factories, or warehouses where exact Siemens specifications are required.
• Maintenance projects that demand precise part numbers to ensure seamless panel compatibility.

Installation and verification tips

Before ordering, verify that the 110 A, 3-pole, 240V configuration matches your panel’s labeling and the system’s protection requirements. Use the HQJ3B110HA01 part number as the primary compatibility reference to ensure a correct, drop-in fit and reliable performance.

Why choose Siemens for circuit protection

Siemens brings a history of dependable electrical protection and standardized components that integrate smoothly with existing Siemens infrastructure. The HQJ3B110HA01 is purpose-built for installations where exact specifications matter, helping you minimize downtime and simplify future servicing while maintaining consistent protection across your three-phase system.