Siemens | QJ23B10000S01 | Circuit Breaker | 100A | 3-Pole | 240V | Bolt-On

Designed by Siemens for demanding electrical installations, the QJ23B10000S01 circuit breaker delivers reliable three-pole protection for 240V systems, rated at 100A. Its bolt-on design enables quick, secure mounting in compatible panels, making it ideal for maintenance, retrofit, or replacement projects.

Key specifications

• Amperage: 100A
• Poles: 3-Pole
• Voltage: 240V
• Mounting: Bolt-On
• Part number: QJ23B10000S01

Why this Siemens circuit breaker stands out

• Precise compatibility with three-phase 240V systems, providing robust protection for feeders and equipment across industrial and commercial panels.
• Bolt-on mounting offers secure, vibration-resistant installation with minimal downtime during replacements or retrofits.
• Part-number-driven cross-reference (QJ23B10000S01) simplifies ordering and ensures you’re selecting the exact Siemens solution your panel requires.
• Designed for reliability in maintenance, retrofit, and replacement scenarios—ideal when a precise Siemens QJ series match is needed.

Practical applications and use cases

• Maintenance: Replace aging or failed breakers in three-phase 240V electrical panels without altering downstream wiring.
• Retrofit: Update legacy systems to Siemens standards for improved protection and easier future service.
• Replacement: Swap in a like-for-like QJ series breaker to restore original protection characteristics and panel compatibility.
• New installations: When a 100A, 3-pole, 240V bolt-on breaker is required for a clean, secure mount in compatible enclosures.

Compatibility and installation tips

Before ordering, confirm fit and ratings using the part number as your primary reference. The Siemens QJ23B10000S01 is best matched to panels and accessories designed for the QJ family, ensuring reliable trip performance and safe operation. Follow your panel manufacturer’s installation guidelines for bolt-on breakers, and verify that the wiring gauge and conductor integrity meet system requirements.

Siemens brings a long-standing reputation for electrical protection and panel reliability. This 100A, 3-pole, 240V bolt-on breaker is a precise, purpose-built choice for professionals who need consistent performance, straightforward replacement, and clear compatibility evidence through the exact part number QJ23B10000S01.