Siemens | QJ23B200H00S01 | Circuit Breaker | 200A | 3-Pole | 240V

Introducing the Siemens QJ23B200H00S01 circuit breaker — a purpose-built protection device for demanding electrical panels. This 200A, 3-pole unit delivers dependable overcurrent protection for three-phase systems operating at 240V, helping keep motors, transformers, and heavy equipment safe and running smoothly.

Designed for maintenance, retrofit, and replacement projects where exact specifications matter, this breaker is the reliable choice when you’re upgrading an aging panel or integrating new loads that require Siemens components. Before you order, use the part number QJ23B200H00S01 as your best reference for compatibility and verify that the panel labeling matches 200A, 3-pole, 240V ratings.

Why this Siemens circuit breaker stands out

• Exact-match replacement: 200A, 3-pole, 240V configuration designed to drop into compatible Siemens panels with minimal modification.
• Maintenance-friendly: Ready for service in retrofit projects or when replacing a failed unit in ongoing operations.
• Clear compatibility reference: The QJ23B200H00S01 designation provides a precise, unambiguous reference to ensure correct installation in the right position.

Practical use scenarios

• Commercial electrical rooms where three-phase protection is required for motors, transformers, or heavy equipment.
• Retrofits of aging Siemens systems that need a like-for-like 200A, 3-pole breaker to maintain panel schedules and interrupting capacity.
• New installations within compatible Siemens panel lines that call for a 200A, 3-pole, 240V protective device.

Important notes to ensure successful installation

• Always confirm fit and ratings on the panel label or service documentation before ordering.
• Keep the part number QJ23B200H00S01 as your primary compatibility reference for cross-checking with the panel model and current ratings.

In short, the Siemens QJ23B200H00S01 is a purpose-built solution for dependable protection in three-phase, 240V systems. If your project requires a precise, like-for-like replacement that aligns with Siemens' engineering standards, this breaker supports reliable operation and safety for your critical loads.