Siemens | QJ3B150H00S01 | Circuit Breaker | 150A | 3-Pole | 240V | Bolt-On

Engineered by Siemens, the QJ3B150H00S01 Circuit Breaker delivers dependable protection for 240V, three‑phase electrical systems. With a 150A rating and 3‑pole design, this bolt‑on breaker is purpose-built for maintenance, retrofit, and replacement projects where exact specifications matter.

Key specifications

• Amperage: 150 A
• Poles: 3‑Pole
• Voltage: 240 V
• Mounting: Bolt‑On
• Part Number: QJ3B150H00S01

What sets it apart

• Bolt‑on mounting for secure, straightforward field installation in compatible Siemens panels, helping to minimize service time during upgrades or replacements.
• Three‑pole protection ensures synchronized interruption across all phases, which is essential for protecting 3‑phase equipment and motors from potentially damaging fault conditions.
• Part number QJ3B150H00S01 serves as the most reliable reference for compatibility, simplifying sourcing and reducing the risk of mismatches in retrofit projects.
• Specifically suited for 240V systems, making it a precise fit for installations where this voltage level is standard and required.

Ideal use cases

• Panel maintenance: quick replacement of aging or damaged breakers in 3‑phase distribution panels.
• Retrofit projects: upgrading existing electrical infrastructure to meet updated safety and reliability standards.
• New installations in commercial and light industrial settings where 240V, 3‑phase power is used.

Compatibility and installation notes

Before ordering, confirm fit and ratings for your specific panel. The QJ3B150H00S01 part number is the best reference to ensure compatibility with Siemens bolt‑on breakers and the matching panel assembly. Use it as your primary source of verification when planning replacements or retrofits, and follow your panel manufacturer’s installation guidelines to secure proper mounting and electrical connection.