Siemens | HQJ3B200HA01 | Circuit Breaker | 3-Pole | 240V | Bolt-On

Siemens HQJ3B200HA01 is a 3-Pole, 240V bolt-on circuit breaker designed for demanding maintenance, retrofit, and replacement scenarios. Built to integrate with compatible Siemens panel systems, this unit delivers dependable three-phase protection with a secure, vibration-resistant mounting method.

Key features that matter in the field

• Three-pole, 240V operation— safeguards all three phases in three-phase circuits, helping prevent overheating and equipment damage in industrial and commercial applications.
• Bolt-On mounting— a robust, lock-in installation that stays secure under vibration and busy service conditions, simplifying future service and replacement.
• Exact compatibility cue— the part number HQJ3B200HA01 is the primary reference for matching gear to Siemens panels. When in doubt, verify fit by confirming this model number against your panel documentation.
• Maintenance, retrofit, and replacement ready— ideal for updating legacy systems, expanding three-phase protection, or replacing a failed breaker without overhauling existing hardware.
• Practical safety and reliability— designed to interrupt fault conditions promptly, helping protect wiring, equipment, and personnel in active electrical distribution setups.

Who this is for

• Electrical contractors deploying or upgrading Siemens bolt-on breaker schemes in commercial or light industrial panels.
• Facilities managers performing preventive maintenance or panel retrofits that require a precise 3-pole, 240V solution.
• OEMs integrating reliable Siemens components into panel assemblies where a bolt-on design is preferred for serviceability.

How this unit stands up to common needs

Compared to plug-in alternatives, the bolt-on format of the HQJ3B200HA01 provides a more secure mechanical connection in environments with mechanical movement or vibration, reducing the risk of loose contacts over time. Its 240V three-phase rating makes it suitable for standard industrial distribution and many commercial power layouts, helping you maintain consistent performance across equipment and systems.

Compatibility and installation tips

• Always confirm fit and ratings before ordering—use the HQJ3B200HA01 part number as the best compatibility reference.
• Power down and disconnect equipment before replacing or installing a bolt-on breaker; verify panel labeling and bus-bar interface.
• Inspect the surrounding panel for any signs of wear or damage and replace or service ancillary components as needed to maintain safety and performance.

With Siemens HQJ3B200HA01, you gain a reliable, purpose-built solution for safeguarding three-phase 240V circuits. Its bolt-on design, precise compatibility, and focus on practical serviceability make it a smart choice for professional electrical systems that demand dependable protection and straightforward maintenance.