Siemens | HQJ3B110HA02 | Circuit Breaker | 110A | 3-Pole | 240V | Bolt-On

Siemens HQJ3B110HA02 circuit breaker is a purpose-built solution for demanding electrical systems that require exact specifications. At 110 A, this 3-pole, 240 V bolt-on breaker is engineered for reliable protection in maintenance, retrofit, and replacement projects where matching the original specs is essential.

Key specifications

• Amperage: 110 A
• Poles: 3-Pole
• Voltage: 240 V
• Mounting: Bolt-On
• Part number: HQJ3B110HA02

Why this breaker stands out

Designed for secure, durable installation, the bolt-on mounting provides a robust connection in compatible Siemens panels, reducing the chance of loosening over time in environments with vibration or heavy load changes. The 3-pole configuration ensures balanced protection for three-phase circuits, which helps maintain stable distribution and safer operation of connected equipment. The 110 A rating makes it well-suited for medium-duty industrial or commercial applications where precise overcurrent protection is critical.

Ideal use cases

• Maintenance and repair tasks that require an exact Siemens HQJ3B110HA02 match
• Retrofits in aging Siemens panels where a 3-pole, 240 V solution is needed
• Replacements in commercial or light industrial setups with three-phase power

Compatibility and installation notes

Important: Confirm fit and ratings before ordering. The part number HQJ3B110HA02 is the best reference for compatibility with your panel and system. When installing, ensure the breaker is used in a compatible Siemens panel or enclosure designed for bolt-on three-pole devices of this rating.