Siemens | HQJ23B110H00S01 | Circuit Breaker | 110A | 3-Pole | 240V | Bolt-On

When a panel needs dependable, high-capacity protection, the Siemens HQJ23B110H00S01 Circuit Breaker is built to perform. This bolt-on, 3-pole breaker delivers 110 A at 240 V, making it ideal for heavy-load circuits in commercial and industrial environments. Engineered for maintenance, retrofit, and replacement tasks, it fits in compatible Siemens electrical distribution systems where exact rating and configuration are required.

Key specifications

• Amperage: 110 A
• Poles: 3-Pole
• Voltage: 240 V
• Mounting: Bolt-On
• Part Reference: HQJ23B110H00S01

What makes it stand out

Bolt-on designs like this Siemens breaker offer a more robust physical connection and improved clearance for high-current applications. The HQJ series bolt-on format provides solid mechanical retention and dependable tripping performance under heavy loads, reducing the risk of loose connections over time. This is especially valuable in service entrances, motor control centers, and feeder circuits where uptime matters.

Ideal use cases

• Maintenance replacements in legacy Siemens panels that require exact HQJ family compatibility
• Retrofits to upgrade older gear with a 110 A, 240 V, three-pole protection device
• New installations in commercial or light industrial settings where a 3-pole, 240 V breaker is needed

Installation and compatibility notes

Before ordering, confirm that the panel or distribution board accepts bolt-on breakers of this rating and configuration. The part number HQJ23B110H00S01 is the most reliable reference for compatibility, ensuring you select the right device for your panel. If in doubt, consult your panel manufacturer's documentation or a licensed electrician to verify fit and ratings.