Siemens | QJ23B225HA01 | Circuit Breaker | 225A | 3-Pole | 240V | Bolt-On

The Siemens QJ23B225HA01 circuit breaker is a purpose-built protective device designed for 3‑phase systems, delivering reliable current interruption at a 225A rating in a sturdy bolt‑on form factor. Built for maintenance, retrofit, and replacement scenarios, this unit plugs into compatible panels where exact specifications are required.

Key specifications at a glance

• Amperage: 225 A
• Poles: 3‑Pole
• Voltage: 240 V
• Mounting: Bolt‑On
• Part number: QJ23B225HA01

Compatibility and fit: This part is intended for use in systems that require the exact QJ23B225HA01 ratings and bolt‑on mounting style. Notes emphasize confirming fit and ratings before ordering, and that the part number is the best reference for compatibility. Rely on the model to match your panel’s design and electrical characteristics.

Why this breaker helps your electrical system

In applications where a robust 3‑phase protection is essential, the QJ23B225HA01 provides dependable fault interruption and overload protection aligned with Siemens’ engineering standards. Its bolt‑on configuration supports secure installation in panels that are designed for this mounting method, helping to minimize installation time and ensure solid electrical contact.

Ideal use cases

• Maintenance replacements in legacy Siemens bolt‑on panels that require a 225A, 3‑pole, 240V device
• Retrofit upgrades where existing protection needs to mirror original specifications precisely
• Spare part for service fleets managing Siemens QJ series compatibility and standardization

Practical guidance for procurement and installation

• Match the exact part number (QJ23B225HA01) to ensure electrical and mechanical compatibility with your panel and bus configuration.
• Verify the panel supports bolt‑on breakers of this rating and configuration before purchase.
• Store and inventory this part as a faithful replacement for routine maintenance to minimize panel downtime.