Siemens | HQJ23B150H | Circuit Breaker | 150A | 3-Pole | 240V | Bolt-On

Siemens HQJ23B150H circuit breaker delivers reliable protection for 3‑phase 240V distribution with a 150A rating. Built for maintenance, retrofit, and replacement projects, this bolt‑on unit is designed to integrate smoothly with Siemens‑compatible panels, helping you upgrade power management with minimal downtime.

• Amperage: 150 A
• Poles: 3‑Pole
• Voltage: 240V
• Mounting: Bolt‑On
• Part number: HQJ23B150H

Key advantages that set this breaker apart include bolt‑on installation that supports fast, secure mounting in compatible panels, reducing service interruption during replacements or upgrades. The HQJ23B150H is engineered for robust overcurrent protection in demanding commercial and light industrial environments, ensuring your 3‑phase circuits stay safeguarded against faults and short circuits.

Ideal use cases

• Maintenance replacements in existing Siemens panel arrays where a 150A, 3‑pole, 240V unit is required.
• Retrofits to upgrade older distribution systems to meet current safety and capacity needs.
• New installations in compatible enclosures that demand a reliable 3‑pole, 240V bolt‑on breaker.
• Service upgrades in commercial facilities and light industrial settings needing precise, traceable part numbers for compatibility.

Compatibility and fit are critical for performance. Before ordering, confirm the unit matches your panel’s specifications, and use HQJ23B150H as the primary compatibility reference. This ensures you receive the exact 150A, 3‑pole, 240V bolt‑on protection your system requires, with Siemens’ proven reliability backing every decision.

In short, the Siemens HQJ23B150H is a purpose‑built solution for reliable 3‑phase protection at 240V, engineered for quick installs, straightforward replacements, and long‑term performance in demanding electrical environments.