Siemens | QJH23B08000S01 | Circuit Breaker | 80A | 3-Pole | 240V | Bolt-On

When your electrical system needs dependable overcurrent protection, the Siemens QJH23B08000S01 circuit breaker stands out with precise performance and straightforward installation. This 80A, 3-pole unit is designed for 240V service and uses a bolt-on mounting approach, delivering a secure, vibration-resistant connection in compatible Siemens panels.

Designed for maintenance, retrofit, and replacement projects, this breaker helps you upgrade or restore protective capabilities without guesswork. The part number QJH23B08000S01 is the most reliable reference for compatibility, so you can move quickly from assessment to installation with confidence.

• Amperage: 80A protects feeders and branch circuits in demanding commercial or light industrial settings.
• Poles: 3-Pole configuration supports three-phase 240V systems.
• Voltage: Rated for 240V applications, matching common Siemens panel requirements.
• Mounting: Bolt-On design for fast, secure installation and stable operation.
• Compatibility: Best reference is the part number to ensure exact fit with compatible Siemens panels.

Who benefits most from this breaker? electricians, facility managers, and maintenance teams who need a reliable, drop-in replacement that aligns with existing Siemens infrastructure. It’s ideal for panel upgrades, equipment protection, and retrofit projects where precise specifications matter and downtime is minimized by a straightforward bolt-on installation.

Practical tips for use:

• Before ordering, confirm that your panel is compatible with QJH23B08000S01 by checking the part number against your documentation.
• Prepare by having the appropriate mounting hardware and torque specifications on hand to ensure a secure bolt-on connection.
• Use this breaker to protect critical loads in three-phase 240V circuits, where consistent trip performance and reliability are essential for safe operation.