Siemens | QJ23B150HA01 | Circuit Breaker | 150A | 3-Pole | 240V | Bolt-On

Designed for Siemens distribution systems, the Siemens QJ23B150HA01 circuit breaker is a purpose-built solution for protecting three-phase, high-demand circuits. This 150 A, 3-pole, 240 V bolt-on breaker is ideal for maintenance, retrofit, and replacement projects where exact compatibility matters and performance you can trust is non-negotiable.

• Amperage: 150 A
• Poles: 3-Pole
• Voltage: 240 V
• Mounting: Bolt-On
• Part Number: QJ23B150HA01

This genuine Siemens component is engineered to work seamlessly within existing QJ-series panels and bus-bar configurations, helping you maintain a consistent protection scheme across your electrical distribution. The bolt-on design provides a solid, secure connection that supports reliable tripping and current interruption for three-phase loads, making it a robust choice for commercial and industrial environments.

Key use cases include protecting large three-phase equipment, feeders, and distribution circuits in service panels, machine rooms, and equipment rooms where precise specs are required. If you’re performing a retrofit or replacing an aging breaker, this unit’s exact specifications help minimize compatibility surprises and downtime.

Important note: before ordering, confirm fit and ratings for your specific panel and application. The part number is the best reference for compatibility, and verifying it against your panel label or catalog will help ensure a trouble-free installation.

Why choose this bolt-on Siemens breaker over alternatives? Its factory alignment with Siemens protection schemes and its bolt-on mounting provide a secure, contractor-friendly installation that aligns with typical Siemens 3-phase layouts. When you need a dependable 150 A, 3-pole, 240 V solution that mirrors your existing equipment, this QJ23B150HA01 is a precise, reliable choice.